Epocrates is transforming the practice of medicine by developing innovative solutions that support clinical decisions at the point of care. More than 500,000 healthcare professionals, including more than one in four U.S. physicians and nearly one in two medical students, actively use Epocrates' mobile and web-based products to improve patient safety and save time. Epocrates is located in San Mateo, California.

Epocrates is transforming the practice of medicine by developing innovative solutions that support clinical decisions at the point of care. More than 500,000 healthcare professionals, including more than one in four U.S. physicians and nearly one in two medical students, actively use Epocrates' mobile and web-based products to improve patient safety and save time. Epocrates is located in San Mateo, California.

Pelican Imaging is a startup software company developing wafer-scale cameras for mobile devices. Pelican Imaging is located in Mountain View, California.

Quantance is an analog/RF semiconductor startup based in Silicon Valley. Through proven innovations in RF transmit chain efficiency that result in more signal power using less battery power, Quantance technology enables wireless phones, data cards, and other mobile consumer devices to support 3G, 3.5G, and 4G services with greater power output, longer battery life, and without excessive heat buildup.

This company designs and manufactures sophisticated electronic control systems for audio-visual and multimedia equipment. AMX's products serve applications and markets including corporate conference centers and training facilities, government organizations, networked community developments, schools, colleges, and distance learning facilities.

This company designs and manufactures sophisticated electronic control systems for audio-visual and multimedia equipment. AMX's products serve applications and markets including corporate conference centers and training facilities, government organizations, networked community developments, schools, colleges, and distance learning facilities.

Every day, bloomspot features the highest caliber restaurants, spas, boutiques, and other experiential merchants on its site. In return, bloomspot delivers these highly sought-after experiences to high-quality clientele, thus increasing the breadth of the merchant's local profile, introducing it to a new and desirable audience, and contributing directly to its bottom line.

Brand.net is the first online advertising network focused exclusively on Brand advertising. They combine deep expertise in online display advertising with innovative technology to guarantee that Brand advertisers and agencies reach the right target in the right context, efficiently and measurably. Brand.net is located in San Mateo, California.

CarWoo!, simply the best way to buy a new car, was founded in 2009 by serial entrepreneurs, Tommy McClung, Erik Landerholm and Michael Young. It is the first online service that allows buyers to negotiate anonymously with multiple dealers, ensuring the best offers on the car they want. With early funding by Y Combinator, CarWoo! is based in Burlingame, CA and is now funded by Blumberg Capital, Comcast Interactive Capital and Interwest Partners. Find us on Facebook at www.facebook.com and on Twitter at twitter.com/carwoo

CubeTree is a freemium enterprise collaboration suite built on a social networking platform that enables employees to connect, communicate and collaborate efficiently and securely using a set of full-featured, integrated tools. Delivered as a software service, CubeTree is designed for enterprises ranging from start-ups to Global 500 companies. Founded in 2008, CubeTree is a private company funded by InterWest Partners, Trinity Ventures and Mitch Kapor, and is headquartered in Redwood City, California.

Doximity is a new health technology company from the founders of Epocrates (NASDAQ: EPOC). The company offers a free communication platform that links medical professionals, enabling faster, smarter treatment. With Doximity, physicians can use their iPhone, iPad, Android device or computer to quickly connect with any U.S. physician to collaborate on patient treatment or identify the appropriate expert for patient referrals.

Encore will offer professional certificates and career counseling designed specifically for baby boomers transitioning to new careers or seeking to remain viable in today's job market. The company has established a partnership with UCLA Extension — the continuing education division of the University of California at Los Angeles — to serve as the licensed provider of program content for the company. Encore will offer courses and one-year certificate programs in a variety of careers, including finance, education, healthcare, and environmental sustainability.

Epocrates is transforming the practice of medicine by developing innovative solutions that support clinical decisions at the point of care. More than 500,000 healthcare professionals, including more than one in four U.S. physicians and nearly one in two medical students, actively use Epocrates' mobile and web-based products to improve patient safety and save time. Epocrates is located in San Mateo, California.

Flurry is a leading provider of mobile analytics and monetization tools for application developers. Its platform is offered free to application developers allowing them to accelerate user adoption and increase revenues. Flurry is based in San Francisco, California.

Get Satisfaction is an online community platform that helps companies build better relationships with their customers. Our solution is used by the world's best brands to improve customer support, build better products, drive customer loyalty, and build better business.

INVIDI Technologies Corporation has developed the first addressable targeted television advertising and marketing solution for cable, satellite and IPTV service providers at the headend, household and individual viewer level. INVIDI is based in Princeton, New Jersey.

MarketTools is the defining provider of on-demand market research, giving companies and individuals the ability to continuously understand their target customers through innovative approaches based on advanced technology, research expertise, global market reach and an online panel community of over 2.5 million individuals worldwide. MarketTools is based in San Francisco, California.

With core technology and talent incubated at Xerox's Palo Alto Research Center, this company developed a Java-based, audio-enabled real-time platform for building and deploying shared applications to large groups on the Web. PlaceWare was acquired by Microsoft in 2003.

InterWest participated in two rounds of financing of this successful maker of displays, CPU accelerators, and other graphics and performance peripherals for Macintosh and other personal computers.

RocketCash provided teens with a way to shop on the Internet by creating an automated check-out and payment process. The company was acquired by NetZero in September 2000. Subsequently, NetZero was acquired by United Online.

The world's first and only hybrid-core computer system — using Intel processors and tightly coupled FPGA accelerators, Convey squeezes more performance per dollar, watt, or rack out of computationally intensive applications.

The world's first and only hybrid-core computer system — using Intel processors and tightly coupled FPGA accelerators, Convey squeezes more performance per dollar, watt, or rack out of computationally intensive applications.

Convex designed and sold high-performance mini-super computer systems for scientific applications. In 1995 Convex was acquired by Hewlett-Packard and since has become the core of the HP high-performance computing division.

Damballa is an internet security company focused on the growing crimeware threat that exploits enterprise networks for illegal activity. Damballa finds and terminates the hidden communication channels used to control breached computer systems. Damballa solutions protect companies from the devastating effects of botnets, advanced persistent threats, next generation malware, cyber crime, and insider threats.

Pivot3 is focused on delivering highly scalable, fault tolerant IP-based clustered storage systems composed of industry standard servers. The company boasts strong intellectual property in distributed RAID and time-based I/O journaling for delivering the next generation of block-based clustered storage.

Platform Solutions, Inc. (PSI), is the first developer of 2 standards-based open mainframe computers compatible with the broadcast set of datacenter environments and operating systems, including IBM z/OS. The new PSI systems, based on proven Amdahl Corporation systems architecture, provide customers true choice and flexibility in mainframe computing.

Sarvega was a leading supplier of XML security and acceleration software and appliances and was located in Chicago, Illinois. It was acquired by Intel in 2005.

Sierra Logic, currently a division of Emulex, develops and sells sophisticated semiconductor solutions to enterprise storage vendors. Using Sierra Logic, vendors can offer uncompromising reliability, manageability and performance while saving more than 50% on their BOMs. Sierra Logic was founded in June 2001 by four veterans of the storage industry with backgrounds in HP and Agilent Technologies, and has offices in Roseville, California.

InterWest was an early investor in SGI, a leader in high-performance computing. SGI delivers a complete range of high-performance server and storage solutions along with industry-leading professional services and support.

Starlight Networks designed and sold servers and software that allow for the distribution of full-motion digital video over standard Ethernet and token ring area networks. In 1988, Starlight was acquired by PictureTel Corporation. Polycom acquired PictureTel in 2001.

Virsto Software provides innovative solutions to address the growing need for cost-effective and efficient storage for virtual servers and desktops. Companies worldwide use Virsto to achieve breakthrough increases in performance, reduce storage capital and operating costs, and streamline provisioning and data management for virtual computing. Founded in 2007, Virsto Software is backed by leading Silicon Valley venture firms.

Voyence is the leading provider of configuration and change management solutions that automate critical change, compliance and activation processes. The company's solution, VoyenceControl NG, helps organizations drive out operational costs, increase availability, improve security, and demonstrate regulatory compliance. VoyenceControl NG is the only configuration and change management solution based on a multi-tiered architecture that can effectively manage tens of thousands of devices across heterogeneous infrastructures.

Active Reasoning is a leading provider of IT Governance Automation software. The Active Reasoning IT Policy Enforcement Platform operationalizes standards such as ITIL and COBIT, detecting, validating, and reporting unauthorized changes and out-of-policy actions on the IT infrastructure in real time. Active Reasoning is based in San Mateo, California.

Active Reasoning is a leading provider of IT Governance Automation software. The Active Reasoning IT Policy Enforcement Platform operationalizes standards such as ITIL and COBIT, detecting, validating, and reporting unauthorized changes and out-of-policy actions on the IT infrastructure in real time. Active Reasoning is based in San Mateo, California.

Aria Systems is the leader in subscription billing and subscription management solutions since its inception in 2003. As the SaaS billing pioneer, Aria has grown rapidly to manage millions of subscription accounts in every country in the world for companies that span a wide range of industries, including entertainment and cloud infrastructure. The Aria Billing and Subscription Management Platform is the industry's most reliable, flexible and scalable on-demand platform for organizations looking to accelerate recurring revenue capture while significantly reducing operating costs. Aria Systems also leads the market in security and compliance as the only vendor to have achieved both SAS 70 Type II certification as well as PCI DSS Level 1 compliance for the entire billing management process. Aria's team is comprised of industry veterans that have managed multi-billion dollar billing operations supporting millions of end user subscribers.

Cloud9 Analytics is the global leader in on-demand operational performance management solutions delivered directly to line-of-business managers. The company's initial product, the Cloud9 Pipeline Accelerator Suite for salesforce.com, enables sales leaders to more effectively manage their opportunities and teams. The result is a dramatic increase in deal conversion rates, higher CRM adoption, and improved forecast accuracy. Powered by a patent-pending Change Analytics engine, Cloud9's applications deliver value in just 24 hours and require zero installation, zero maintenance and zero IT support. Cloud9's customers include Covad, GENBAND, Data Domain, Siemens, and Thermo-Fisher Scientific.

Edify developed and marketed software tools that automated key communications between companies and their customers and others. Edify's products retrieved externally requested information from internal corporate databases, formatted it, and delivered it to the party who requested it via voice recording, fax, or e-mail. Edify was acquired by Intervoice in 2005.

ExoLink offered an ASP-based set of services that enabled the efficient interchange of mission critical information that bridged the business process differences between the various market participants in the newly deregulated energy markets. Both energy retailers and energy distributors benefited from the high value applications that were essential to achieving operating efficiency and market competitiveness.

Get Satisfaction is an online community platform that helps companies build better relationships with their customers. Our solution is used by the world's best brands to improve customer support, build better products, drive customer loyalty, and build better business.

InterWest was the lead investor in the 1981 secondary financing of HBOC & Company, formed in 1974. The company established itself as a developer and marketer of computer systems and software for hospitals with two product lines consisting of an in-hospital central information processing system and a financial system.

InterWest was the lead investor in the 1981 secondary financing of HBOC & Company, formed in 1974. The company established itself as a developer and marketer of computer systems and software for hospitals with two product lines consisting of an in-hospital central information processing system and a financial system.

KD-1 developed software for data mining and decision support applications, for use by retailers and packaged goods suppliers for inventory management, forecasting, and purchasing. In addition, KD-1 provided services from a data center using its proprietary software. The company was acquired by Net Perceptions in February 2000.

Lombardi provides business process management (BPM) suite software for Global 2000 companies. Lombardi's TeamWorks is built on open standards and provides ongoing visibility and control of business processes, increasing the speed and flexibility with which organizations can manage their process activity and decision-making. Lombardi is located in Austin, Texas.

Marketo delivers on demand marketing automation solutions that enable companies to plan, execute and measure lead generation and optimize revenue. Marketo is located in San Mateo, California.

Motiva developed enterprise incentive management software applications to enable customers to model and administer effective incentive or variable compensation plans.

Oacis provided highly customizable clinical database applications and tools for large integrated health care delivery networks.

Participate Systems was a provider of online customer and sales support solutions. The company was acquired by OutStart in 2004.

SCI Solutions is transforming healthcare Access Management with products and services that facilitate the efficient and secure exchange of clinical and financial information between patients, physicians and healthcare facilities. SCI provides a variety of applications and self-service portals that help physicians and patients interact easily and at their convenience for many of their access-related needs. SCI Solutions is headquartered in Los Gatos, California.

SignalDemand delivers margin optimization software that enables process manufacturers to maximize profitability, even as costs and markets change around them. The company's applications rely on the latest econometric models, optimization algorithms and activity-based costing techniques.

Spredfast was created after our co-founders had an epiphany: with an increasing need for companies to monitor, manage and measure social media initiatives, chaos was inevitable without the proper tools.There was an opportunity to fill a void with a social media management system.

When the Spredfast SMMS was rolled out in 2010, listening, managing and measuring social analytics from one system was finally an option. And the idea of an enterprise-class social media management system became a reality for marketers.

The Spredfast Team combines deep social media and enterprise software experience with a dedication to customer success.

Tapjoy is the leader in monetization and distribution services for social games, mobile applications, virtual worlds, MMOs and other social publishers. The company's turnkey alternative payment platform enables developers to significantly increase their monetization rates when selling virtual goods or premium digital assets, while its cross-platform distribution services provide massive reach and cost-effective user acquisition on the leading social, mobile and gaming platforms. The company is headquartered in San Francisco, California.

T/R Systems developed color and black-and-white digital electronic printing systems for short-run, on-demand applications. The company's printers used software to manage multiple lower-cost print engines to effectively create a high-throughput system for a fraction of the cost of single-engine alternatives.

Varolii provides automated customer communication solutions to large enterprises. Varolii is based in Seattle, Washington.

Vendavo delivers price management software to business-to-business companies worldwide. Vendavo's clients improve their operating income by 1-3% of sales by consistently and effectively planning, setting, optimizing, managing, negotiating and executing their pricing. These clients span multiple industries, including chemicals, high-tech and industrial manufacturing, consumer products, mill products and distribution. Headquartered in Palo Alto, California, with European headquarters in London, and offices in Boston and Geneva, Vendavo is the price management solution of choice at over 100 client divisions in North America, Europe, Asia and worldwide. SAP(R), the world's leading provider of business software, with more than 33,200 customers in more than 120 countries, sources its SAP Price and Margin Management(R) application from Vendavo.

Airspan specializes in wireless local loop telecommunications and data communications equipment. This market is predicted to grow to more than $1 billion in the next five years. Featuring fully transparent voice and DSL data services, the company's products are easily integrated into wire-based systems. Airspan is based in Fort Lauderdale, Florida, with operations in many countries and engineering facilities in London and Israel.

Airspan specializes in wireless local loop telecommunications and data communications equipment. This market is predicted to grow to more than $1 billion in the next five years. Featuring fully transparent voice and DSL data services, the company's products are easily integrated into wire-based systems. Airspan is based in Fort Lauderdale, Florida, with operations in many countries and engineering facilities in London and Israel.

Bridge was a leading maker of networking and interconnectivity equipment before it was acquired by 3Com in September 1987. The company's line of modular communications products served as bridges between similar and dissimilar local networks, between local networks and other communications networks, and between networks and devices.

Ciena Corporation is a broad-based provider of networking and telecommunications equipment to telcos, cable operators, governments and enterprises.

Copper Mountain created central office and customer premise communications equipment based on emerging DSL technologies. By delivering high data rates over existing copper wiring, the company's products created more affordable high-bandwidth data communications.

Covaro Networks developed telecommunications products for the converged network enabling network infrastructure providers to profit from high bandwidth services while containing capital and operating expenditures.

Exalt Communications, Inc., located in Campbell, California, provides next generation wireless backhaul systems for service providers and enterprises worldwide.

Kalpana was a successful developer and maker of high-performance data communications switches for Ethernet LANs before being acquired by Cisco.

Incubated in InterWest's California office, Lightera's core technology was an ultra-broadband SONET switching product that addressed the transport switching requirements of public networks that employed Wave Division Multiplexing (WDM) equipment. The company was acquired by CIENA in March 1999, and quickly became a source of significant revenue for clients.

LongBoard Inc. is a leading provider of carrier-grade software that enables carriers and service providers to deliver revenue-generating, converged voice and multimedia services. Deployed in carrier networks since 2001, LongBoard's software enables converged services that meet and exceed carrier and user expectations for quality and reliability.

VNetwork Computing Devices makes network computing systems and products. Based on a host/terminal architecture rather than a workstation architecture, the company's products leverage network processing power to reduce system cost with no reduction in performance.

This pioneering high technology company built a successful line of products providing high-speed interconnection and data communications among the various components of large-scale, multiple-mainframe computer installations.

Ramp developed connectivity products that provide high bandwidth but economical ISDN Internet access to small and medium sized businesses. The company's products, which were field-upgradeable via downloadable software modules, stood out for their plug-and-play ease of use and maintenance. The company was acquired by Nokia in January 2001.

A leader in integrated network equipment, Stratacom created high-end ATM wide area networking equipment. Based on packet switching technology, the company's solutions combined multiplexing and network management, allowing large enterprises to build and manage integrated voice and data communications networks using the T-1 lines provided by common carriers. The company was acquired by Cisco Systems.

Tasman Networks designed and sold access and aggregation concentrators that enabled Service Providers to offer affordable high-speed Internet access to their business subscribers. Tasman's innovative technology and advanced IP-based products helped make Internet access at T1 and faster speeds easy to deploy and to use. Tasman was acquired by Nortel in 2006.

VTEL pioneered full-featured "media conferencing" systems based on open PC-based standards, with a line of long-distance communications products that integrate interactive video, voice, data, and graphics capabilities.

Xirrus, the only WiFi "Power-Play" company, intends to displace both overlay Wi-Fi networks and desktop wired Ethernet in the enterprise. Xirrus's Wi-Fi Array delivers more coverage, bandwidth, throughput, and user density than anything else available on the market today. Xirrus is based in Thousand Oaks, California.

AccelChip, Inc. is a leading provider of architectural synthesis and verification tools for DSP design. The company develops design tools, intellectual property, and consulting services that enable a true, top-down DSP design process. AccelChip's solutions link the domain-specific DSP design environment with proven silicon design flows, enabling algorithm developers to take designs created in MATLAB o the predominant tool used for DSP algorithm design and specification o and automatically synthesize a high-quality silicon implementation.

AccelChip, Inc. is a leading provider of architectural synthesis and verification tools for DSP design. The company develops design tools, intellectual property, and consulting services that enable a true, top-down DSP design process. AccelChip's solutions link the domain-specific DSP design environment with proven silicon design flows, enabling algorithm developers to take designs created in MATLAB o the predominant tool used for DSP algorithm design and specification o and automatically synthesize a high-quality silicon implementation.

Advanced Micro-Fabrication Equipment Inc. (AMEC) is an Asia-based global semiconductor equipment company with a portfolio of advanced, high-performing wafer fabrication solutions that enable the world's semiconductor manufacturers to increase productivity and reduce their manufacturing costs. Strategically headquartered in the hub of the global semiconductor manufacturing industry, AMEC's advanced semiconductor processing products are designed to deliver superior on-wafer performance and cost-of-ownership advantages at nodes of 65/45 nm and smaller.

BenchMarq marketed semiconductor components for battery-operated electronic devices and other power-sensitive equipment and applications. The company's products addressed microprocessor power management, rechargeable power supply control, and memory management.

Brite Semiconductor is a Shanghai-based fabless ASIC company delivering the most cost-effective, predictable and reliable custom ASIC solutions to electronics product customers worldwide through its partnership with Open-Silicon.

With unique design know-how, this IC maker established a track record of success in the development, manufacture, and marketing of complimentary metal oxide semiconductor (CMOS)products that combine linear and digital integrated circuit functions on the same chip. Crystal Semiconductor was acquired by Cirrus Logic in 1991.

InterWest Partners was closely involved in the incubation of this company's business plan and founding. The company established itself as a successful maker of high-performance Intel compatible x86 processors and digital electronic subsystems based on very large scale integration (VLSI) semiconductors. Cyrix was acquired by National Semiconductor.

Stealth mode materials company.

NexPlanar builds the next generation of chemical mechanical planarization (CMP) pads for the semiconductor device industry. Their proprietary nano-domain technology coupled with patented molded grooves and the unique ability to tune the pads results in dramatically improved yields and lower cost of ownership with extended pad life.

Open-Silicon, Inc. is a fabless ASIC company delivering the most cost-effective, predictable and reliable custom ASIC solution to electronics product customers worldwide. Open-Silicon's OpenMODEL is the semiconductor industry's first end-to-end custom ASIC solution based on a business model that provides a seamless, low-cost, low risk alternative to traditional models for complex ASIC design and development.

Power Integrations, Inc. is the leading supplier of high-voltage analog integrated circuits used in power conversion.

Rendition pioneered interactive 3D graphics acceleration for PC entertainment applications. Prior to its 1998 acquisition by Micron Technology, the company was based in San Jose, California.

SiTera was a fabless semiconductor company that designed and built chipsets for communications and networking equipment companies. SiTera's chips were used as incremental additions to existing architectures or together as a complete system in network components such as routers and switches. The company was acquired by Vitesse Semiconductor in June 2000.

SpectraLinear is a pure play integrated timing solutions company that focuses on consumer, computer, and communication markets using innovative, high performance fast time-to-market silicon platforms. Acquiring Cypress' PC Clock division at the end of 2006 immediately established SpectraLinear as a leader in the field.

InterWest Partners participated in the early financing of this established maker of user programmable gate arrays and associated development systems. Xilinx's unique technology opened an enormous new segment in the application specific integrated circuit (ASIC) market.

Achates Power is developing a fuel-efficient, light, clean diesel engine. We combine proven designs with modern technology and breakthrough innovations to create engines that set new benchmarks in fuel economy and power density.

Achates Power is developing a fuel-efficient, light, clean diesel engine. We combine proven designs with modern technology and breakthrough innovations to create engines that set new benchmarks in fuel economy and power density.

Avaak Inc. develops and builds revolutionary ultra-low power integrated wireless video sensor platforms that utilize digital imaging and other sensors to provide low-cost, rapidly deployable real-time video networks. The Avaak Vision Network™, with battery-powered video cameras smaller than 1 cubic inch in size, is the only full-mesh video imaging network that can cost-effectively make pixels everywhere available for security, monitoring, automation and detection applications for consumer, commercial, defense and homeland security customers.

Ignis Optics developed optical modules and sub-systems for metro optical networks. The company provided low-cost solutions specifically designed for deployment in metro, edge, and access networks such as Ethernet-to-the-First-Mile. In September 2003, Bookham announced an agreement to acquire Ignis Optics.

Nuventix, Inc, is an Austin, Texas based, venture backed firm that is revolutionizing thermal management of consumer electronics, LED lighting, medical, telecommunications, automotive and other electronics with patented, highly adaptable, quiet, and reliable, cooling devices that efficiently, effectively - and directly - dissipate heat from any surface. The highly patented SynJet technology enables the most reliable and flexible air cooling solutions available today.

OmniPV is a start-up company focused on solar power generation located in Palo Alto, California.

SPI is positioned to be a leader in high power fiber lasers and is expanding the applications space for fiber lasers, with powers from mWs to kWs.