About us

All the ingredients for success

It takes life experience to bring ingredients to life. With a team of industry veterans, we’re well on our way to success.

We bring ingredients to life

Demetrix is named for Demeter, the Greek goddess of the harvest. Nature is our source and inspiration.

We’re made up of industry experts. We have extensive experience commercializing products, from early R&D, to regulatory approval, to industrial production. We’ve done it all, and we do it well.

Every one of our products is produced and sold in adherence to all federal regulations, including safety compliance.       

Our executive team


Jeff Ubersax, PhD, CEO

Jeff’s leadership has helped grow fledgling businesses. As the VP of R&D at Amyris, he developed and led the company’s genome and strain engineering platform. He also engaged with customers and investors to help translate how biotechnology can be used to drive growth. Jeff was a postdoctoral scholar at Stanford University. He received his Ph.D. in Biochemistry and Molecular Biology from the University of California, San Francisco and his B.S. from the University of North Carolina, Chapel Hill.


Darren Platt, PhD, President

In addition to his strategic role as President, Darren is responsible for building our automation, computing and data platform. Prior to his work at Demetrix, he was VP of R&D at Amyris, Director of Research at 23andMe, Head of Bioinformatics at the Joint Genome Institute and Director of Bioinformatics at Exelixis. Darren received his Ph.D. in Computer Science at Monash University in Melbourne, Australia and did postdoctoral research at the Sanger Institute in Cambridge.


Cynthia Bryant, Chief Business Officer

Cynthia is responsible for building our commercial business, including strategy and business development, marketing and branding. Previously, Cynthia has spent over 12 years building new biotechnology businesses and forging partnerships with some of the world’s largest consumer goods companies. Cynthia earned her B.S. in engineering at North Carolina State University and her MBA from the University of California, Berkeley.

Board of directors

William Haseltine, MD, Founder

William Haseltine, MD, Founder

Jay Keasling, PhD, Founder

Jay Keasling, PhD, Founder

Patrick Zhang, Horizons Ventures

Patrick Zhang, Horizons Ventures