About Bradford Cleavenger
Bradford Cleavenger is an executive officer of Phase Change Software LLC, a company based in Lakewood, Colorado.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Bradford Cleavenger in the role, so the role may have started earlier or lasted longer.
Phase Change Software LLC Current
Executive officer
2026 – Present · Lakewood, CO
Phase Change Software builds COBOL Colleague, a symbolic AI platform that maps legacy COBOL code into verified business knowledge for enterprises.
Key Colleagues at Startups
The people Bradford Cleavenger works with at each company, as listed on that company's latest Form D.
Phase Change Software LLC · Form D/A, Nov 3, 2026
JD
Jeffrey Diggins
Director
DP
Donald Peskin
Director
MB
Mark Bieler
Director
GB
Gary Brach
CEO and director
ER
Elizabeth Richards
Executive officer

Howard Culang
Director
AK
Alan Kucheck
Executive officer