Founder Profile
Thomas Peterffy
Last reviewed: November 2026 · By Swet Parvadiya
Who is Thomas Peterffy?
Thomas Peterffy is a founder of Interactive Brokers, which was founded in 1978.
- Company founded
- Interactive Brokers
- Founded
- 1978
Founding Story
Visionary entrepreneur and computer scientist who emigrated from Hungary in 1965. Peterffy purchased an AMEX seat in 1977, created algorithmic option pricing models, introduced the first handheld trading computers in 1983, and established Interactive Brokers into a global fintech empire.
Sources
This profile does not yet cite a source specific to Thomas Peterffy. The sources below document the company company rather than the person, so check them against the claims above.
- Interactive Brokers Group, Inc. Form 10-K Annual Report (SEC EDGAR CIK 0001381197) (Interactive Brokers)
- Interactive Brokers Investor Relations Official Portal (Interactive Brokers)