›Portfolio Companies

Past, Present and Future Leaders

InterWest is proud and privileged to partner with visionary management teams who are shaping the future of Information Technology and Healthcare. The companies they have started are vital parts of the portfolio of industry-leading startups that InterWest has helped over the last four decades.

Our Companies

Early stage IT and Healthcare Investing

Open Silicon


company snapshot


Open-Silicon, is a fabless ASIC company delivering 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.

Investment Team
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