About Jay Bartels
Jay Bartels is chief financial officer and co-founder of Sigma5, a company that builds hyperspectral sensors and software to read material composition for agriculture, energy, infrastructure, and robotics companies.
Earlier in his career he worked in Silicon Valley as a chief executive officer, chief operating officer, and vice president of engineering. He also was a board member of Farmland Partners (NYSE: FPI).
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Jay Bartels in the role, so the role may have started earlier or lasted longer.
Sigma5 Inc. Current
CFO and Co-Founder, director
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.
FP
Farmland Partners
board member
Key Colleagues at Startups
The people Jay Bartels 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
DL
Douglas Lee
CTO and Co-Founder
Matthew DeMartino
Chief Hardware Officer