Interactive Brokers Executive and Leadership Team

August, 2026

Leadership Overview

Interactive Brokers has 5 executives leading key functions including strategy, infrastructure, marketing, operations, and management.

Focused on providing automated global electronic market access, Interactive Brokers delivers sophisticated trading solutions to professional investors while maintaining high-performance liquidity across more than 80 international exchanges.

Leadership Roles at Interactive Brokers

  • Chief Executive Officer - Milan Galik
  • Chief Technology Officer, Infrastructure Services - Mahijeet Singh
  • Global Head of Marketing (Chief Marketing Officer) - Tamara Makonnen
  • 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 overarching strategic vision for the firm. Overseeing the expansion of electronic trading capabilities, the Chief Executive Officer ensures the platform maintains competitive advantages across global securities, futures, and foreign exchange markets. Milan Galik manages the integration of complex order routing systems to optimize execution speed for professional traders. By aligning corporate objectives with the evolving needs of international financial venues, the Chief Executive Officer drives long-term growth and operational efficiency. This leadership role involves constant collaboration with the Board to refine the firm's market-making activities. Through rigorous oversight of the IB Universal AccountSM, the Chief Executive Officer sustains the company's reputation for technical excellence. Ultimately, Galik secures the firm's position as a premier provider of automated brokerage services, ensuring that all technological and financial initiatives support the broader mission of delivering seamless market access to a diverse global client base.
    Milan Galik

    Mahijeet Singh - Chief Technology Officer, Infrastructure Services

    Mahijeet Singh, the Chief Technology Officer, Infrastructure Services at Interactive Brokers, architects the robust technical framework supporting global electronic trading. Overseeing the maintenance of high-availability data centers, the Chief Technology Officer, Infrastructure Services ensures the stability of order processing systems across 80 electronic exchanges. Mahijeet Singh manages the deployment of scalable cloud and hardware solutions to handle massive transaction volumes for professional investors. By optimizing network latency and system reliability, the Chief Technology Officer, Infrastructure Services directly impacts the firm's ability to provide liquidity in volatile market conditions. This leadership role involves coordinating with engineering teams to implement cutting-edge security protocols for the IB Universal AccountSM. Through the continuous modernization of core infrastructure, the Chief Technology Officer, Infrastructure Services sustains the firm's competitive edge in the automated brokerage industry. Ultimately, Singh guarantees the operational integrity of the entire trading ecosystem, facilitating uninterrupted access to stocks, options, and forex instruments for a worldwide user base.

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

    Tamara Makonnen, the Global Head of Marketing (Chief Marketing Officer) at Interactive Brokers, directs the firm's brand positioning and client acquisition strategies. Overseeing international outreach initiatives, the Global Head of Marketing (Chief Marketing Officer) ensures that the value proposition of the IB Universal AccountSM reaches professional traders across diverse geographic regions. Tamara Makonnen manages the development of educational content and digital campaigns that highlight the firm's advanced trading tools and low-cost structure. By analyzing market trends and user behavior, the Global Head of Marketing (Chief Marketing Officer) drives engagement and expands the company's footprint in competitive financial markets. This leadership role involves aligning marketing communications with the firm's technical capabilities to attract sophisticated investors. Through the execution of targeted growth strategies, the Global Head of Marketing (Chief Marketing Officer) strengthens the brand's presence in both established and emerging markets. Ultimately, Makonnen elevates the firm's market visibility, ensuring that the company remains the preferred choice for active traders seeking reliable, high-performance electronic access.

    Thomas Frank - Executive Vice President

    Thomas Frank, the Executive Vice President at Interactive Brokers, manages critical operational workflows and strategic initiatives that support the firm's global brokerage activities. Overseeing the integration of complex financial products into the trading platform, the Executive Vice President ensures that the firm meets the rigorous demands of professional investors. Thomas Frank coordinates with cross-functional teams to refine the execution of trades in stocks, bonds, and mutual funds. By streamlining internal processes, the Executive Vice President drives operational efficiency and enhances the overall user experience within the IB Universal AccountSM. This leadership role involves evaluating new market opportunities and ensuring compliance with international regulatory standards across all trading venues. Through the implementation of advanced risk management frameworks, the Executive Vice President sustains the firm's stability in diverse market environments. Ultimately, Frank optimizes the company's service delivery, ensuring that the firm maintains its status as a leader in automated electronic market making and brokerage services worldwide.

    Michael Domka - Managing Director

    Michael Domka, the Managing Director at Interactive Brokers, oversees the execution of key business operations and the management of institutional client relationships. Overseeing the delivery of specialized brokerage services, the Managing Director ensures that the firm's liquidity solutions meet the specific requirements of professional traders and institutional partners. Michael Domka manages the coordination of internal resources to support the seamless processing of trades across global electronic exchanges. By fostering strong relationships with market participants, the Managing Director drives the adoption of the IB Universal AccountSM among high-volume users. This leadership role involves monitoring market performance and adjusting operational strategies to maintain the firm's competitive edge in the finance sector. Through the diligent management of client-facing functions, the Managing Director sustains the firm's reputation for reliability and technical precision. Ultimately, Domka supports the company's growth by ensuring that all institutional operations align with the firm's core mission of providing efficient, low-cost access to 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 Mahijeet Singh (Chief Technology Officer, Infrastructure Services) and Tamara Makonnen (Global Head of Marketing (Chief Marketing Officer)).
    Who is part of Interactive Brokers’s executive team?
    The executive team of Interactive Brokers includes leaders such as Milan Galik (Chief Executive Officer), Mahijeet Singh (Chief Technology Officer, Infrastructure Services), Tamara Makonnen (Global Head of Marketing (Chief Marketing Officer)) 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, Chief Technology Officer, Infrastructure Services, Global Head of Marketing (Chief Marketing Officer), Executive Vice President, Managing Director.