About David Stafford
David Stafford is COO at Substance AI.
Experience
This experience comes from David Stafford's profile and from SEC filings. For roles taken from filings, the years are when the filings name David Stafford in the role, so the role may have started earlier or lasted longer.
Substance AI Inc. Current
Co-Founder and Chief Operating Officer
2025 – Present · Downers Grove, IL
Provides commercial insurance for warehouses, data centers and manufacturing facilities.
SA
Semler Insurance Agency
Chief Operating Officer
2020 – 2025
BC
Berkshire Hathaway Homestate Companies
AVP of National Marketing, Workers Compensation Division
2008 – 2019
CG
Countrywide Insurance Group
First Vice President, Strategic Partnerships
2007 – 2008
SA
Safeco
Senior Sales Manager
2002 – 2007
Key Colleagues at Startups
The people David Stafford works with at each company, as listed on that company's latest Form D.
Substance AI Inc. · Form D, Apr 7, 2026
AS