›Portfolio Companies

Past, Present and Future Leaders

The managing directors of IWHP are proud and privileged to have partnered with visionary management teams who are shaping the future of Biotech, Medical Devices and Healthcare IT. The groundbreaking businesses they have created are representative of the industry-leading companies that InterWest has helped build over the last three decades.

Our Companies




company snapshot

Splice Machine is the only transactional, ACID-compliant SQL-on-Hadoop database for real-time Big Data applications. Splice Machine retains SQL, the industry standard, while providing all the benefits of NoSQL databases: auto-sharding, scalability, fault tolerance and high availability.

Investment Team
Monte Zweben, Co-Founder and Chief Executive Officer