OCC Executive and Leadership Team

July, 2026

Leadership Overview

OCC has 8 executives leading key functions including technology, finance, and operations.

Driven by a commitment to market integrity, OCC provides essential central counterparty clearing and settlement services, underpinning the stability of financial markets through robust operational frameworks and strategic foresight.

Leadership Roles at OCC

  • Chief Financial Officer - Frank Larocca
  • Deputy Chief Financial Officer & Controller - Scott Martyn
  • Chapter President - Gary Denison
  • President - Nikolas Otteson
  • Chief Information Officer - Raymond Tamayo
  • Chief Technology Officer - Ric Olympia
  • Chief of Staff - Rebecca Porterfield
  • Principal, Office of the Chief Information Officer - Heather Mosny
  • Frank Larocca - Chief Financial Officer

    Frank Larocca, the Chief Financial Officer at OCC, manages the company's financial planning, risk management, and reporting functions. Overseeing all fiscal operations, Larocca ensures the financial health and stability of OCC, a critical component for its role as a central counterparty. This executive position involves strategic capital allocation, budget management, and the development of financial models to support business growth and operational efficiency. By guiding financial strategy, Frank Larocca directly contributes to OCC's ability to provide secure and reliable clearing and settlement services. The Chief Financial Officer's responsibilities include maintaining strong relationships with financial institutions and regulatory bodies, ensuring compliance with all financial regulations, and driving initiatives that enhance shareholder value and operational resilience.

    Scott Martyn - Deputy Chief Financial Officer & Controller

    Scott Martyn, the Deputy Chief Financial Officer & Controller at OCC, oversees the company's accounting operations and financial controls. This critical role ensures the accuracy and integrity of financial reporting, supporting OCC's function as a central counterparty. Martyn manages the controller's department, directing activities related to general ledger, accounts payable, accounts receivable, and financial statement preparation. By maintaining robust financial systems and processes, Scott Martyn directly supports the Chief Financial Officer's strategic objectives and ensures compliance with all regulatory requirements. The Deputy Chief Financial Officer & Controller's expertise is essential for safeguarding OCC's financial stability and operational transparency, underpinning its commitment to market integrity.

    Gary Denison - Chapter President

    Gary Denison, the Chapter President at OCC, leads specific regional or divisional operations, driving strategic initiatives within a defined scope. This leadership position involves overseeing the execution of chapter-level objectives, fostering collaboration among teams, and ensuring alignment with broader organizational goals. Denison directs the activities of the chapter, focusing on operational efficiency and the delivery of services that meet market demands. The Chapter President's role is crucial for implementing company-wide strategies at a localized level, ensuring consistent performance and adherence to standards. By guiding the chapter's operations, Gary Denison contributes to OCC's overall success in providing essential financial market infrastructure and maintaining its reputation for reliability.

    Nikolas Otteson - President

    Nikolas Otteson, the President at OCC, directs the overall strategic vision and operational execution of the company. This executive leadership role involves guiding all departments to ensure the effective provision of central counterparty clearing and settlement services. Otteson oversees the company's growth initiatives, market positioning, and commitment to regulatory compliance. The President's responsibilities include fostering a culture of innovation and operational excellence, ensuring OCC maintains its critical role in the financial ecosystem. By driving strategic decision-making and managing key stakeholder relationships, Nikolas Otteson ensures the company's continued stability and its ability to adapt to evolving market dynamics and technological advancements.

    Raymond Tamayo - Chief Information Officer

    Raymond Tamayo, the Chief Information Officer at OCC, directs the enterprise-wide information technology strategy and operations. Overseeing all aspects of the technology infrastructure, Tamayo ensures the security, reliability, and scalability of OCC's systems, which are critical for providing central counterparty clearing and settlement services. This leadership role involves managing cybersecurity initiatives, data governance, and the continuous modernization of technology platforms to meet evolving regulatory demands and market needs. By driving innovation in IT, Raymond Tamayo supports the company's mission to maintain market integrity and facilitate efficient trading. The Chief Information Officer's oversight extends to all technology-dependent functions, ensuring seamless integration and operational excellence across the organization.

    Ric Olympia - Chief Technology Officer

    Ric Olympia, the Chief Technology Officer at OCC, architects and executes the company's technology vision and roadmap. This role involves leading the development and implementation of cutting-edge technological solutions that enhance OCC's clearing and settlement capabilities. Overseeing the engineering teams, Ric Olympia drives innovation in areas such as distributed ledger technology and advanced data analytics to improve system performance and security. The Chief Technology Officer's strategic direction ensures OCC remains at the forefront of financial technology, supporting its mission to provide robust and efficient market infrastructure. By fostering a culture of technological excellence, Olympia directly impacts the company's ability to adapt to market dynamics and regulatory changes, ensuring operational resilience and competitive advantage.

    Rebecca Porterfield - Chief of Staff

    Rebecca Porterfield, the Chief of Staff at OCC, provides strategic support and operational leadership across key initiatives. This position involves coordinating cross-functional projects, managing executive communications, and ensuring alignment with the company's strategic objectives. Overseeing the efficient execution of critical programs, Porterfield facilitates communication between departments and leadership, driving operational effectiveness. The Chief of Staff's role is integral to optimizing internal processes and supporting the overall mission of providing central counterparty clearing and settlement services. By managing key priorities and driving strategic alignment, Rebecca Porterfield enhances the company's ability to navigate complex market conditions and regulatory landscapes, ensuring seamless operations and effective decision-making.

    Heather Mosny - Principal, Office of the Chief Information Officer

    Heather Mosny, the Principal, Office of the Chief Information Officer at OCC, supports the strategic direction and operational execution of the IT department. This role involves managing key technology projects and initiatives that align with the Chief Information Officer's vision for OCC's infrastructure. Overseeing critical IT programs, Mosny ensures that technology solutions are implemented effectively to support the company's clearing and settlement services. The Principal's responsibilities include driving process improvements, facilitating communication between IT teams and business units, and ensuring adherence to cybersecurity and data governance standards. By contributing to the strategic management of information technology, Heather Mosny plays a vital part in maintaining the integrity and efficiency of OCC's operations.

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    Frequently Asked Questions Regarding OCC Top Executives and Leadership Team

    Who leads OCC?
    OCC is led by Frank Larocca (Chief Financial Officer), along with executives such as Scott Martyn (Deputy Chief Financial Officer & Controller) and Gary Denison (Chapter President).
    Who is part of OCC’s executive team?
    The executive team of OCC includes leaders such as Frank Larocca (Chief Financial Officer), Scott Martyn (Deputy Chief Financial Officer & Controller), Gary Denison (Chapter President) and other senior executives.
    How many executives does OCC have?
    OCC has 8 executives leading key business areas.
    What roles are included in OCC’s leadership team?
    The leadership team of OCC includes roles such as Chief Financial Officer, Deputy Chief Financial Officer & Controller, Chapter President, President, Chief Information Officer.