Matt Zimmerman, CEO, Founder:

CTO Ubuntu - first seven years
CTO/CISO Denizen (BBVA)

Miron Cuperman, CTO, Founder:

Founder Gitian project - used by Bitcoin Core for secure software distribution
Founder Blockstack - enterprise blockchain, acquired by Digital Asset
Co-Founder Tradehill - full service crypto exchange / dark pool

Ken Sedgwick, Founder

Server security and cryptography
Author Wallet32 for Bitcoin - the first mobile HD wallet
Exchange and HFT software