Interactive Brokers Executive and Leadership Team

July, 2026

Leadership Overview

Interactive Brokers has 5 executives leading key functions including strategy, marketing, technology, operations, and finance.

Driven by a commitment to innovation, Interactive Brokers provides global electronic access to a wide range of financial instruments, empowering professional traders and investors with advanced technology and comprehensive market liquidity.

Leadership Roles at Interactive Brokers

  • Chief Executive Officer - Milan Galik
  • Global Head of Marketing (Chief Marketing Officer) - Tamara Makonnen
  • Chief Technology Officer, Infrastructure Services - Mahijeet Singh
  • Executive Vice President - Thomas Frank
  • Managing Director - Michael Domka
  • Milan Galik - Chief Executive Officer

    Milan Galik, the Chief Executive Officer at Interactive Brokers, directs the company's overarching strategy and global operations. Overseeing the firm's automated electronic market-making and brokerage services, Galik ensures the efficient routing and execution of trades across securities, futures, and foreign exchange instruments on over 80 electronic exchanges worldwide. This leadership role involves maintaining Interactive Brokers' position as a primary liquidity provider in global financial marketplaces. By driving technological innovation and operational excellence, Milan Galik ensures professional traders and investors receive seamless electronic access to stocks, options, futures, forex, bonds, and mutual funds through the IB Universal AccountSM. The Chief Executive Officer's focus remains on expanding market reach and enhancing the trading platform's capabilities to meet evolving client needs.
    Milan Galik

    Tamara Makonnen - Global Head of Marketing (Chief Marketing Officer)

    Tamara Makonnen, the Global Head of Marketing (Chief Marketing Officer) at Interactive Brokers, spearheads all global marketing initiatives and brand strategy. Overseeing the development and execution of campaigns, Makonnen ensures consistent messaging across all markets, driving client acquisition and engagement. This role involves analyzing market trends and competitor activities to identify opportunities for growth and to strengthen Interactive Brokers' market presence. By collaborating with product development and sales teams, the Global Head of Marketing (Chief Marketing Officer) aligns marketing efforts with business objectives, promoting the firm's comprehensive suite of financial products and services. Tamara Makonnen's strategic direction enhances the company's visibility and reinforces its reputation as a leading electronic market maker and broker.

    Mahijeet Singh - Chief Technology Officer, Infrastructure Services

    Mahijeet Singh, the Chief Technology Officer, Infrastructure Services at Interactive Brokers, architects and manages the company's robust technological infrastructure. Overseeing the development, deployment, and maintenance of systems that support global electronic trading, Singh ensures high availability, scalability, and security for all operations. This critical role involves leading teams responsible for network architecture, data centers, and cloud services, underpinning the firm's ability to execute trades across 80+ exchanges worldwide. By driving innovation in infrastructure services, Mahijeet Singh enables Interactive Brokers to provide professional traders and investors with seamless electronic access to diverse financial instruments. The Chief Technology Officer, Infrastructure Services' strategic vision guarantees the reliability and performance essential for maintaining market leadership in automated global electronic market making.

    Thomas Frank - Executive Vice President

    Thomas Frank, the Executive Vice President at Interactive Brokers, drives key operational initiatives and strategic partnerships across the organization. Overseeing critical business functions, Frank ensures the seamless integration of services and the efficient execution of trades on global electronic exchanges. This leadership position involves managing relationships with key stakeholders and ensuring compliance with regulatory requirements in various jurisdictions. By focusing on operational efficiency and client service, Thomas Frank supports Interactive Brokers' mission to provide professional traders and investors with electronic access to a broad spectrum of financial instruments. The Executive Vice President's dedication to operational excellence reinforces the company's standing as a premier global electronic market maker and broker, facilitating liquidity and access to markets worldwide.

    Michael Domka - Managing Director

    Michael Domka, the Managing Director at Interactive Brokers, directs significant operational segments of the company's global brokerage services. Overseeing the execution and processing of trades in securities, futures, and foreign exchange instruments, Domka ensures adherence to the highest standards of accuracy and efficiency across more than 80 electronic exchanges. This role involves managing complex workflows and implementing strategies to enhance the client trading experience, providing professional traders and investors with reliable electronic access to stocks, options, futures, forex, bonds, and mutual funds. By focusing on operational integrity and continuous improvement, Michael Domka supports Interactive Brokers' commitment to providing liquidity and advanced trading capabilities. The Managing Director's leadership ensures the firm's continued success in the dynamic global financial markets.

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    Frequently Asked Questions Regarding Interactive Brokers Top Executives and Leadership Team

    Who leads Interactive Brokers?
    Interactive Brokers is led by Milan Galik (Chief Executive Officer), along with executives such as Tamara Makonnen (Global Head of Marketing (Chief Marketing Officer)) and Mahijeet Singh (Chief Technology Officer, Infrastructure Services).
    Who is part of Interactive Brokers’s executive team?
    The executive team of Interactive Brokers includes leaders such as Milan Galik (Chief Executive Officer), Tamara Makonnen (Global Head of Marketing (Chief Marketing Officer)), Mahijeet Singh (Chief Technology Officer, Infrastructure Services) and other senior executives.
    How many executives does Interactive Brokers have?
    Interactive Brokers has 5 executives leading key business areas.
    What roles are included in Interactive Brokers’s leadership team?
    The leadership team of Interactive Brokers includes roles such as Chief Executive Officer, Global Head of Marketing (Chief Marketing Officer), Chief Technology Officer, Infrastructure Services, Executive Vice President, Managing Director.