About Gary Brach
Gary Brach is chief executive officer and a director of Phase Change Software LLC, a company in Lakewood, Colorado that builds symbolic AI software to help enterprises decode legacy COBOL systems.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Gary Brach in the role, so the role may have started earlier or lasted longer.
Phase Change Software LLC Current
CEO and director
2016 – 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 Gary Brach 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
ER
Elizabeth Richards
Executive officer
Howard Culang
Director
BC
Bradford Cleavenger
Executive officer
AK
Alan Kucheck
Executive officer