About Douglas Lee
Douglas Lee is chief technology officer and co-founder of Sigma5. The company builds hyperspectral sensors and AI software that reveal material composition and condition for agriculture, energy, infrastructure, and robotics companies.
He was previously chief technology officer at GuideVine, a company later acquired by Avantax (NASDAQ: BCOR), and director of data products at Wheels Up (NYSE: UP).
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Douglas Lee in the role, so the role may have started earlier or lasted longer.
Sigma5 Inc. Current
CTO and Co-Founder
2026 – Present · Santa Cruz, CA
Sigma5 pairs hyperspectral sensors with AI software that detects material composition and condition for agriculture, energy, infrastructure, and robotics companies.
GU
GuideVine
CTO
WU
Wheels Up
Director of Data Products
Key Colleagues at Startups
The people Douglas Lee works with at each company, as listed on that company's latest Form D.
Sigma5 Inc. · Form D, Nov 4, 2026

Kevin Bundy
CEO and Founder, director

Jay Bartels
CFO and Co-Founder, director

Matthew DeMartino
Chief Hardware Officer