Founder bio
Thomas Jaeger has been writing software professionally since 1985. His career spans MS-DOS, Windows, mobile, and cloud — across defense, finance, healthcare, professional sports, retail, and government work for clients including American Airlines, UBS, PayPal, Capital One, AWS, the NFL, and Royal Caribbean.
40 years of software, in one timeline
From an Amstrad CPC 464 in 1984 to running a Bulletin Board System in 1994, to founding Legacy to Modern LLC and shipping modernization engagements on modern .NET, Go, and modern Delphi today.
How we work
Practical solutions that fit the work, run reliably, and stay maintainable. Proven expertise across 13 industries with a focus on simplifying complex systems and preserving decades of refined business logic.
Industries served
Defense, financial services, healthcare, manufacturing, retail, professional sports, government, transportation, and more — 13 vertical markets across a four-decade career.