About Donald Peskin
Donald Peskin is a director of Phase Change Software LLC.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Donald Peskin in the role, so the role may have started earlier or lasted longer.
Phase Change Software LLC Current
Director
2009 – 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 Donald Peskin 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
MB
Mark Bieler
Director
GB
Gary Brach
CEO and director
ER
Elizabeth Richards
Executive officer

Howard Culang
Director
BC
Bradford Cleavenger
Executive officer
AK
Alan Kucheck
Executive officer