Cate Dyer, chief executive officer and founder of StemExpress, poses at the company's office in Placerville, on Sept. 8, 2015.
Cate Dyer, chief executive officer and founder of StemExpress, poses at the company's office in Placerville, on Sept. 8, 2015. Rich Pedroncelli AP
Cate Dyer, chief executive officer and founder of StemExpress, poses at the company's office in Placerville, on Sept. 8, 2015. Rich Pedroncelli AP