Two Sigma Investments Executive and Leadership Team

May, 2026

Leadership Overview

Two Sigma Investments has 10 executives leading key functions including strategy, finance, marketing, technology, operations, and investment management.

Driven by data-driven innovation, Two Sigma Investments applies advanced technology to the finance world, aiming to deliver superior investment outcomes and manage assets globally.

Leadership Roles at Two Sigma Investments

  • Co-Chief Executive Officer - Carter Lyons
  • Chief Financial Officer - Dawn Schoppner
  • At Two Sigma Securities Senior VP & Chief Financial Officer - Jason Lubetsky
  • Managing Director, Chief Operating Officer, Two Sigma Securities - Dimitri Viadro
  • Managing Director, Chief Operating Officer - Timothy Reynolds
  • Chief Marketing Officer - Fuluna Luna
  • Senior Vice President, Head of Product and Engineering (Chief Technology Officer and Fractional Chief People Officer) - Zian Sun
  • Cios & Modeling Talent Programs Team Chief of Staff - Thandar Peña
  • Associate, Chief Investment Officers' Chief of Staff Team - Emma Lehmann
  • Partner and Chief Information Officer, Two Sigma Real Estate - Richard Gomel
  • Carter Lyons - Co-Chief Executive Officer

    Carter Lyons, the Co-Chief Executive Officer at Two Sigma Investments, directs the firm's overarching strategy and operational execution. Lyons guides the company's expansion within the data-rich finance sector, ensuring technological applications drive investment performance. This leadership role involves aligning global teams to achieve superior market outcomes. Carter Lyons oversees the integration of advanced analytics and machine learning across all business units, fostering an environment of continuous innovation. The Co-Chief Executive Officer's responsibilities extend to shaping the company's culture and long-term vision, solidifying Two Sigma Investments' position as a leader in technology-driven investment management. Lyons ensures robust governance frameworks are in place, supporting sustainable growth and client trust across all international operations.

    Dawn Schoppner - Chief Financial Officer

    Dawn Schoppner, the Chief Financial Officer at Two Sigma Investments, manages the company's financial health and strategic fiscal planning. Schoppner oversees all financial operations, including accounting, treasury, and investor relations, ensuring compliance with global financial regulations. This role is critical in supporting the firm's technology-focused investment strategies by providing sound financial insights and resource allocation. Dawn Schoppner drives initiatives to optimize capital structure and enhance profitability, directly impacting the company's ability to invest in cutting-edge technology and talent. The Chief Financial Officer's oversight extends to risk management and financial forecasting, crucial for navigating the complexities of the finance world. Schoppner ensures financial transparency and accountability across all global offices, reinforcing client confidence and supporting sustainable business growth.

    Jason Lubetsky - At Two Sigma Securities Senior VP & Chief Financial Officer

    Jason Lubetsky, the At Two Sigma Securities Senior VP & Chief Financial Officer at Two Sigma Investments, leads the financial operations and strategic fiscal management for the securities division. Lubetsky oversees budgeting, financial reporting, and capital allocation, ensuring the financial stability and growth of Two Sigma Securities. This role is vital for supporting the division's complex trading activities and technological investments. Jason Lubetsky drives financial planning and analysis, providing critical insights to guide strategic decision-making and optimize profitability. The Senior VP & Chief Financial Officer's responsibilities include managing financial risks and ensuring adherence to regulatory requirements within the securities market. Lubetsky's financial acumen supports the division's aggressive growth objectives and its commitment to technological innovation.

    Dimitri Viadro - Managing Director, Chief Operating Officer, Two Sigma Securities

    Dimitri Viadro, the Managing Director, Chief Operating Officer, Two Sigma Securities at Two Sigma Investments, directs the operational strategy and execution for the firm's securities division. Viadro oversees the day-to-day operations, ensuring efficiency, scalability, and compliance within the trading and market-making functions. This leadership position is crucial for supporting the high-frequency trading and quantitative strategies employed by Two Sigma Securities. Dimitri Viadro manages risk mitigation processes and drives operational improvements to enhance trading performance and client service. The Chief Operating Officer's responsibilities include optimizing trade execution systems and managing relationships with key market infrastructure providers. Viadro ensures the robust functioning of all operational aspects, directly contributing to the profitability and market presence of Two Sigma Securities.

    Timothy Reynolds - Managing Director, Chief Operating Officer

    Timothy Reynolds, the Managing Director, Chief Operating Officer at Two Sigma Investments, oversees the firm's global operational infrastructure and strategic execution. Reynolds directs critical functions including technology operations, business process optimization, and enterprise risk management, ensuring seamless integration across all business units. This leadership role is pivotal in supporting the company's mission of applying technology to finance, driving efficiency and scalability. Timothy Reynolds champions initiatives to enhance operational resilience and adapt to evolving market dynamics. The Chief Operating Officer's purview extends to managing vendor relationships and ensuring compliance with international operational standards. Reynolds's strategic oversight guarantees that the firm's operational framework effectively supports its investment strategies and global expansion efforts.

    Fuluna Luna - Chief Marketing Officer

    Fuluna Luna, the Chief Marketing Officer at Two Sigma Investments, shapes and executes the company's global brand strategy and market positioning. Luna directs all marketing and communications efforts, amplifying Two Sigma Investments' unique approach to applying technology in finance. This leadership function involves developing compelling narratives that highlight the firm's data-driven insights and investment success. Fuluna Luna oversees market research and competitive analysis to identify growth opportunities and refine client engagement strategies. The Chief Marketing Officer's purview includes digital marketing, public relations, and content creation, ensuring consistent messaging across all platforms. Luna drives initiatives to enhance brand awareness and attract top talent, reinforcing the company's reputation as an innovator in the financial sector.

    Zian Sun - Senior Vice President, Head of Product and Engineering (Chief Technology Officer and Fractional Chief People Officer)

    Zian Sun, the Senior Vice President, Head of Product and Engineering (Chief Technology Officer and Fractional Chief People Officer) at Two Sigma Investments, architects the company's technological infrastructure and product development roadmap. Sun leads the engineering teams responsible for building and scaling the advanced platforms that power Two Sigma Investments' data-driven strategies. This multifaceted role involves overseeing the development of innovative financial products and ensuring the robust performance of all technology systems. Zian Sun also contributes to people operations, focusing on talent acquisition and development within the technology and engineering departments. The Senior Vice President's strategic vision guides the company's technological evolution, ensuring it remains at the forefront of applying technology to finance. Sun drives efficiency and innovation in product delivery, directly supporting the firm's investment objectives.

    Thandar Peña - Cios & Modeling Talent Programs Team Chief of Staff

    Thandar Peña, the Cios & Modeling Talent Programs Team Chief of Staff at Two Sigma Investments, provides critical operational and strategic support to the Chief Investment Officers and talent programs. Peña manages key initiatives, ensuring alignment between strategic goals and execution across modeling and talent development functions. This role involves coordinating cross-functional projects and facilitating communication between leadership and various teams. Thandar Peña optimizes workflows and resource allocation within the CIOs' offices, enhancing operational efficiency. The Chief of Staff's responsibilities include preparing strategic analyses and supporting the development of talent programs designed to attract and retain top quantitative researchers. Peña ensures seamless execution of strategic priorities, directly contributing to the firm's intellectual capital and investment performance.

    Emma Lehmann - Associate, Chief Investment Officers' Chief of Staff Team

    Emma Lehmann, the Associate, Chief Investment Officers' Chief of Staff Team at Two Sigma Investments, supports the strategic initiatives and operational coordination for the Chief Investment Officers. Lehmann assists in managing critical projects, facilitating communication, and ensuring the efficient functioning of the CIOs' office. This role involves gathering data, preparing analyses, and supporting the implementation of strategic directives across investment teams. Emma Lehmann contributes to optimizing workflows and enhancing collaboration among investment professionals. The Associate's responsibilities include coordinating meetings, tracking action items, and supporting the development of investment strategies. Lehmann plays a key part in ensuring that the CIOs' strategic vision is effectively translated into actionable plans, supporting the firm's overall investment performance.

    Richard Gomel - Partner and Chief Information Officer, Two Sigma Real Estate

    Richard Gomel, the Partner and Chief Information Officer, Two Sigma Real Estate at Two Sigma Investments, directs the technology strategy and information systems for the real estate division. Gomel oversees the development and implementation of technology solutions that enhance investment analysis, property management, and operational efficiency within the real estate portfolio. This leadership role is essential for leveraging data and technology to identify and capitalize on real estate investment opportunities. Richard Gomel drives innovation in data analytics and platform development, supporting informed decision-making across all real estate ventures. The Chief Information Officer's responsibilities include managing IT infrastructure, cybersecurity, and digital transformation initiatives. Gomel ensures that technology effectively supports the division's strategic objectives and competitive positioning in the real estate market.

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    Frequently Asked Questions Regarding Two Sigma Investments Top Executives and Leadership Team

    Who leads Two Sigma Investments?
    Two Sigma Investments is led by Carter Lyons (Co-Chief Executive Officer), along with executives such as Dawn Schoppner (Chief Financial Officer) and Jason Lubetsky (At Two Sigma Securities Senior VP & Chief Financial Officer).
    Who is part of Two Sigma Investments’s executive team?
    The executive team of Two Sigma Investments includes leaders such as Carter Lyons (Co-Chief Executive Officer), Dawn Schoppner (Chief Financial Officer), Jason Lubetsky (At Two Sigma Securities Senior VP & Chief Financial Officer) and other senior executives.
    How many executives does Two Sigma Investments have?
    Two Sigma Investments has 10 executives leading key business areas.
    What roles are included in Two Sigma Investments’s leadership team?
    The leadership team of Two Sigma Investments includes roles such as Co-Chief Executive Officer, Chief Financial Officer, At Two Sigma Securities Senior VP & Chief Financial Officer, Managing Director, Chief Operating Officer, Two Sigma Securities, Managing Director, Chief Operating Officer.