Track Record

Selected ventures and outcomes Josh has founded, led, or helped build.

Windfall Bio - Founder & CEO (2022-2026). Founded a company developing biological solutions for methane mitigation and value creation, turning methane emissions into organic fertilizer. Raised $38M from seed through Series A, surpassed $1M in annual revenue, built a pilot plant in Houston, TX, and was awarded a $6M Department of Energy contract.

Aromyx - CEO (2018-2022). Led a company applying biotechnology and machine learning to create digital representations of taste and smell. Reworked the business model to grow revenue by over 700% annually and executed several multi-year, multi-million-dollar corporate partnerships.

Calysta - Founder & CTO (2011-2018). Founded a company developing a sustainable source of protein for food and feed. Led technology, partnering, business development, and legal/IP; negotiated four corporate partnerships and initiated the acquisition of BioProtein A/S.

Amunix - VP, Product Development (2008-2011). Developed products using XTEN half-life-extension technology and generated proof-of-concept data packages that led to the Series A funding of spin-outs Versartis and Diartis - with Versartis going on to a $500M+ IPO in 2014.

Siluria - Founder & Consultant (2008-2013). Provided technical and commercialization guidance that helped secure Series A funding; served on the Operating Committee through follow-on raises of more than $100M and the build of a first commercial plant, prior to acquisition.

Earlier roles: Director of Process Development at Amgen (Avimer proteins) and Founding Director of CMC at Avidia, leading process development, manufacturing, and IP strategy.

Want this kind of experience on your problem? Email jsilverman@s3-innovations.com