The Fintech Index
67 companies rated 5 sectors 16 reports Last updated Oct 27, 2026
Milan Galik
Interactive Brokers

Milan Galik

Chief executive and president

Why watch

He has run Interactive Brokers since 2019, after years on its automated market-making and electronic brokerage systems.

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Milan Galik is chief executive and president of Interactive Brokers, a Greenwich, Connecticut, online broker. He joined the firm as a software developer in 1990. When Interactive Brokers announced his appointment in 2019, he said, “I am deeply honored by the trust Thomas places in me. He has been my mentor for 28 years, has been preparing me for this transition for the last 4 and I look forward to working with him for many more to come.” Read our review of Interactive Brokers.

Moving to Frankfurt for the German Launch

In 1991 he moved to Frankfurt, Germany, to help launch the firm's German operations. Back in the US, he worked on its automated market-making and trading systems and then on the electronic brokerage. He became president in 2014. He holds a master's degree in electrical engineering from the Technical University of Budapest.

Taking Over From Thomas Peterffy

Interactive Brokers announced on January 7, 2019, that he would succeed Thomas Peterffy, who stayed on as chairman. In a filing on January 28, 2019, the company said the board had set the handover for October 1, 2019.