Interactive Brokers Executive and Leadership Team

September, 2026

Leadership Overview

Interactive Brokers has 6 executives leading key functions including global strategy, regional market expansion, brand positioning, infrastructure development, operational management, and executive oversight.

Focused on providing seamless access to global financial markets, Interactive Brokers maintains a commitment to automated electronic trading efficiency and superior liquidity provision for professional investors worldwide.

Leadership Roles at Interactive Brokers

  • Chief Executive Officer - Milan Galik
  • Chief Executive Officer (Singapore) - Yujun Lin
  • 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 overarching strategic vision for the firm. Galik oversees the integration of automated electronic trading systems across more than 80 global exchanges. By prioritizing technological scalability, the Chief Executive Officer ensures that the platform remains the primary choice for professional traders seeking low-cost execution. Milan Galik manages the alignment between product development and the evolving needs of the global brokerage market. This leadership role involves constant evaluation of market liquidity and risk management protocols to maintain institutional stability. Through the optimization of the IB Universal Account, the Chief Executive Officer drives significant growth in the firm's client base. By fostering a culture of continuous innovation, Galik secures the competitive position of the company within the complex landscape of international securities, futures, and foreign exchange trading venues.
    Milan Galik

    Yujun Lin - Chief Executive Officer (Singapore)

    Yujun Lin, the Chief Executive Officer (Singapore) at Interactive Brokers, manages all strategic operations within the Asia-Pacific region. Lin drives the expansion of electronic brokerage services, ensuring that local market participants gain seamless access to global financial instruments. By overseeing regulatory compliance and regional business development, the Chief Executive Officer (Singapore) strengthens the firm's footprint in competitive Asian markets. Yujun Lin coordinates with global leadership to adapt the company's automated trading technology to specific regional requirements. This role involves building robust relationships with local exchanges and institutional partners to enhance liquidity provision. Through the implementation of targeted growth strategies, the Chief Executive Officer (Singapore) increases market share and improves service delivery for professional investors. Lin maintains a focus on operational excellence, ensuring that the regional infrastructure supports the high-volume, low-latency demands of modern electronic trading environments.
    Yujun Lin

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

    Tamara Makonnen, the Global Head of Marketing (Chief Marketing Officer) at Interactive Brokers, architects the brand strategy and communication framework for the firm. Makonnen directs all global marketing initiatives, ensuring that the value proposition of the IB Universal Account reaches professional traders and institutional investors effectively. By overseeing digital campaigns and market positioning, the Global Head of Marketing (Chief Marketing Officer) drives brand awareness across diverse international territories. Tamara Makonnen collaborates with product teams to translate complex technical features into clear, compelling narratives for the brokerage audience. This leadership role involves analyzing market trends to refine outreach strategies and maximize client acquisition. Through the execution of data-driven marketing programs, the Global Head of Marketing (Chief Marketing Officer) supports the firm's growth objectives. Makonnen ensures that the company's reputation for technological superiority and cost-efficiency remains central to all external communications and industry engagements.

    Mahijeet Singh - Chief Technology Officer, Infrastructure Services

    Mahijeet Singh, the Chief Technology Officer, Infrastructure Services at Interactive Brokers, manages the core technical architecture supporting the firm's global trading platforms. Singh directs the development and maintenance of high-performance systems that process trades across 80 electronic exchanges. By overseeing the stability and scalability of the firm's server networks, the Chief Technology Officer, Infrastructure Services ensures that professional traders experience minimal latency during execution. Mahijeet Singh coordinates with engineering teams to implement robust security protocols and cloud-based solutions that protect sensitive financial data. This leadership role involves constant monitoring of system performance to prevent downtime and maintain the integrity of the brokerage infrastructure. Through the continuous optimization of hardware and software resources, the Chief Technology Officer, Infrastructure Services supports the firm's commitment to automated, reliable market access. Singh drives the technological evolution required to handle increasing volumes of securities, futures, and forex transactions.

    Thomas Frank - Executive Vice President

    Thomas Frank, the Executive Vice President at Interactive Brokers, directs high-level strategic initiatives and corporate governance. Frank oversees the alignment of the firm's long-term objectives with the evolving landscape of global electronic trading. By managing key institutional relationships and internal policy development, the Executive Vice President ensures that the company maintains its competitive edge in the brokerage industry. Thomas Frank collaborates with the board and other C-suite leaders to evaluate market opportunities and mitigate systemic risks. This leadership role involves guiding the firm through complex regulatory environments and ensuring that all business practices adhere to the highest standards of integrity. Through the implementation of strategic growth plans, the Executive Vice President drives the firm's expansion into new asset classes and geographic markets. Frank maintains a focus on sustainable development, ensuring that the company's technological and operational foundations remain robust enough to support future market demands.

    Michael Domka - Managing Director

    Michael Domka, the Managing Director at Interactive Brokers, oversees critical operational workflows and strategic business units. Domka directs the execution of internal processes that facilitate the firm's role as a global electronic market maker. By managing cross-functional teams, the Managing Director ensures that the company's brokerage services remain efficient and compliant with international financial regulations. Michael Domka coordinates with senior leadership to implement operational improvements that enhance the user experience for professional investors. This leadership role involves identifying opportunities for process automation to reduce costs and increase transaction speed across the platform. Through the oversight of key business segments, the Managing Director supports the firm's overall growth and market stability. Domka maintains a focus on operational excellence, ensuring that the company's infrastructure effectively supports the high-frequency demands of modern trading venues while maintaining rigorous standards for risk management and client service delivery.

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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 Yujun Lin (Chief Executive Officer (Singapore)) 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), Yujun Lin (Chief Executive Officer (Singapore)), Tamara Makonnen (Global Head of Marketing (Chief Marketing Officer)) and other senior executives.
    How many executives does Interactive Brokers have?
    Interactive Brokers has 6 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 Executive Officer (Singapore), Global Head of Marketing (Chief Marketing Officer), Chief Technology Officer, Infrastructure Services, Executive Vice President.