Two Sigma Investments Executive and Leadership Team

July, 2026

Leadership Overview

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

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

Leadership Roles at Two Sigma Investments

  • Co-Chief Executive Officer - Carter Lyons
  • Chief Financial Officer - Dawn Schoppner
  • Vice President, Corporate Management (Office of the Chief Operating Officer) - Gokce Icmez
  • Managing Director, Chief Operating Officer, Two Sigma Securities - Dimitri Viadro
  • Managing Director, Chief Operating Officer - Timothy Reynolds
  • Chief Marketing Officer - Fuluna Luna
  • Analyst, Chief Information Officer Chief of Staff and Talent Programs Team - Alysha Sadarangani
  • Vice President, Chief Investment Officers' Chief of Staff Team - Emma Lehmann
  • Partner and Chief Information Officer, Two Sigma Real Estate - Richard Gomel
  • Senior Vice President, Head of Product and Engineering (Chief Technology Officer and Fractional Chief People Officer) - Zian Sun
  • Carter Lyons - Co-Chief Executive Officer

    Carter Lyons, the Co-Chief Executive Officer at Two Sigma Investments, directs the overarching strategic vision and operational execution for the firm. Lyons guides the company's expansion into new markets and the development of innovative investment strategies, leveraging technology to analyze vast datasets. This leadership role involves fostering a culture of continuous improvement and ensuring the firm's competitive edge in the dynamic finance world. Carter Lyons oversees the integration of technological advancements with financial methodologies, driving the company's mission to apply data science and engineering to investment management. The Co-Chief Executive Officer's responsibilities extend to managing key stakeholder relationships and championing the firm's commitment to rigorous research and quantitative analysis across all global 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, budgeting, forecasting, and capital allocation, ensuring robust financial controls and compliance with regulatory requirements. This executive drives initiatives to optimize financial performance and support the firm's growth objectives. Dawn Schoppner plays a critical part in evaluating investment opportunities and managing financial risks inherent in the data-rich finance world. The Chief Financial Officer's role involves close collaboration with other senior leaders to align financial strategies with the company's broader business goals, ensuring sustainable profitability and operational efficiency across global offices.

    Gokce Icmez - Vice President, Corporate Management (Office of the Chief Operating Officer)

    Gokce Icmez, the Vice President, Corporate Management (Office of the Chief Operating Officer) at Two Sigma Investments, supports the strategic execution of operational initiatives. Icmez focuses on enhancing internal processes and driving efficiency across the organization, particularly within the operational framework managed by the Chief Operating Officer. This role involves coordinating cross-functional projects and ensuring alignment with the company's technology-centric approach to finance. Gokce Icmez contributes to optimizing resource allocation and operational workflows to support Two Sigma Investments' global expansion. The Vice President, Corporate Management works closely with various departments to implement best practices and streamline operations, ensuring the smooth functioning of the firm's worldwide business activities.

    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, oversees the operational infrastructure and execution for the firm's securities division. Viadro directs the day-to-day operations, ensuring efficiency, scalability, and compliance within the trading and execution functions. This leadership position is crucial for managing the complex technological and data requirements specific to securities trading. Dimitri Viadro focuses on optimizing trading systems and processes to support the firm's quantitative strategies. The Managing Director, Chief Operating Officer, Two Sigma Securities collaborates with technology and quantitative research teams to enhance trading performance and manage operational risks, driving the success of Two Sigma Securities globally.

    Timothy Reynolds - Managing Director, Chief Operating Officer

    Timothy Reynolds, the Managing Director, Chief Operating Officer at Two Sigma Investments, drives operational excellence and strategic implementation across the firm. Reynolds oversees the global operational framework, ensuring that technology and data science are effectively integrated into all business processes. This role involves managing critical infrastructure, optimizing workflows, and enhancing organizational efficiency to support Two Sigma Investments' growth. Timothy Reynolds focuses on streamlining operations to facilitate the firm's application of technology to the finance world. The Managing Director, Chief Operating Officer works to maintain high standards of operational integrity and supports the development of scalable solutions that underpin the company's investment strategies worldwide.

    Fuluna Luna - Chief Marketing Officer

    Fuluna Luna, the Chief Marketing Officer at Two Sigma Investments, shapes and executes the company's global marketing and brand strategy. Luna directs all marketing initiatives, including corporate communications, digital marketing, and public relations, to enhance brand visibility and market positioning. This leadership function focuses on communicating the firm's unique value proposition in applying technology to finance. Fuluna Luna oversees the development of marketing campaigns that highlight Two Sigma Investments' data-driven approach and its impact on investment management. The Chief Marketing Officer collaborates with business development and investment teams to ensure marketing efforts support client acquisition and retention, reinforcing the company's reputation for innovation and expertise across its worldwide operations.

    Alysha Sadarangani - Analyst, Chief Information Officer Chief of Staff and Talent Programs Team

    Alysha Sadarangani, the Analyst, Chief Information Officer Chief of Staff and Talent Programs Team at Two Sigma Investments, supports strategic initiatives within the information technology and talent management functions. Sadarangani contributes to the operational effectiveness of the Chief Information Officer's office, focusing on program management and talent development. This role involves assisting in the execution of IT strategies and talent programs designed to enhance the firm's technological capabilities and workforce. Alysha Sadarangani aids in coordinating projects that align technology resources with business objectives. The Analyst, Chief Information Officer Chief of Staff and Talent Programs Team works to ensure the smooth functioning of talent initiatives and IT support structures across the company.

    Emma Lehmann - Vice President, Chief Investment Officers' Chief of Staff Team

    Emma Lehmann, the Vice President, Chief Investment Officers' Chief of Staff Team at Two Sigma Investments, provides strategic support and operational coordination for the firm's Chief Investment Officers. Lehmann facilitates the flow of information and strategic alignment across investment teams, ensuring that key initiatives are effectively managed and executed. This role is vital in supporting the firm's data-driven investment strategies and technological applications in finance. Emma Lehmann contributes to the strategic planning and operational efficiency of the investment division. The Vice President, Chief Investment Officers' Chief of Staff Team works to enhance communication and collaboration among investment leadership, driving the firm's commitment to rigorous analysis and innovation.

    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, leads the technology strategy and implementation for the firm's real estate division. Gomel directs the development and deployment of innovative technology solutions to support real estate investment and management activities. This position is critical for leveraging data science and technology in the real estate sector. Richard Gomel oversees the IT infrastructure and digital transformation efforts within Two Sigma Real Estate, ensuring alignment with the company's broader technological focus. The Partner and Chief Information Officer, Two Sigma Real Estate works to enhance operational efficiency and drive value through technology-driven insights in the real estate market.

    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, spearheads the development of technology products and engineering capabilities. Sun directs the strategy for product innovation and oversees the engineering teams responsible for building and maintaining the firm's technological infrastructure. This dual role also involves shaping the company's people strategy and talent development initiatives, particularly within technology functions. Zian Sun drives the integration of cutting-edge technology to support Two Sigma Investments' data-centric approach to finance. The Senior Vice President, Head of Product and Engineering (Chief Technology Officer and Fractional Chief People Officer) ensures that product development aligns with business objectives and fosters a strong engineering culture globally.

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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 Gokce Icmez (Vice President, Corporate Management (Office of the Chief Operating 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), Gokce Icmez (Vice President, Corporate Management (Office of the Chief Operating 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, Vice President, Corporate Management (Office of the Chief Operating Officer), Managing Director, Chief Operating Officer, Two Sigma Securities, Managing Director, Chief Operating Officer.