›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

Spiration designed and manufactured innovative thoracic and intrabronchial medical devices for the treatment of lung disease, including chronic obstructive pulmonary disease (COPD), specifically emphysema. Spiration was acquired by Olympus Medical Systems in 2010.

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