›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


467 First Street, Suite 201
Los Altos, CA 94022, USA
T: 650-854-8585
F: 650-854-4706

Early stage IT and Healthcare Investing



company snapshot

mparticle was founded with the belief that interactions between humans and computers can and should evolve using the power of artificial intelligence. mparticle is a platform which enables any company to dynamically adapt website and app layouts, menus, text, and content uniquely to each individual without requiring any engineering work. mparticle was founded by engineers, PhDs, and experts in human-computer interactions from Stanford, Berkeley, and Caltech. The technology helps media and commerce companies like Walmart, News Corp, and Panasonic increase engagement and revenue by over 4x and user retention by over 20%.