World class technology solving a global problem

Trak is designed and built by Sandstone Diagnostics in California’s Livermore Valley. Founded in 2012 in part by scientists from Sandia National Laboratories, Sandstone’s mission is to provide high quality products that help people manage their health in new, innovative, and data-driven ways.

We are a team of scientists, engineers, software developers, and business professionals. But more importantly we are fathers, mothers, brothers, sisters, and friends who care deeply about improving men’s reproductive health and helping people start their family.

Meet the Team

April Culver

Marketing Associate

Karen Drexler

Chief Executive Officer

Jon Epperson

Research Associate

Tracey Forster

Chief Commercialization Officer

Laura Fredriksen

Product Development Lead

Kirk Harmon

Software Architect

Dave Hasker

Vice President of Operations and Quality

Paul Manners

Chief Financial Officer

Sara Naab

New Product Planning Director 

Raymond Naval

Software Developer

Bianca Orozco

Operations Associate

Tiffany Quebral

Operations Lead

Ulrich Schaff

Chief Technology Officer

Greg Sommer

Chief Scientific Officer


Winner, 2017

Winner, Diagnostics 2017

Winner, Swimming with the Sharks 2016

Top 40 Most Innovative Life Science Companies 2014

Most Innovative New Healthcare Product 2013