OCC Executive and Leadership Team

September, 2026

Leadership Overview

OCC has 8 executives leading key functions including financial oversight, technology infrastructure, administrative operations, and strategic management.

Committed to market stability, OCC provides essential central counterparty clearing and settlement services to ensure the integrity of the financial derivatives industry through robust risk management and operational excellence.

Leadership Roles at OCC

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

    Frank Larocca, the Chief Financial Officer at OCC, directs all corporate financial planning and capital management strategies. Overseeing the fiscal health of the organization, the Chief Financial Officer ensures compliance with regulatory standards while managing liquidity requirements for central counterparty clearing operations. This leadership role involves coordinating with the Board to optimize capital allocation and maintain the financial resilience necessary for market stability. By monitoring global economic trends, Frank Larocca directly impacts the long-term sustainability of the clearinghouse. The Chief Financial Officer also manages internal audit functions to mitigate financial risk across all clearing services. Through rigorous analysis of market volatility, Larocca secures the necessary funding to support the clearinghouse mission. This executive leadership ensures that the financial infrastructure remains robust, providing the foundation for secure settlement services across North American markets and beyond.

    Scott Martyn - Deputy Chief Financial Officer & Controller

    Scott Martyn, the Deputy Chief Financial Officer & Controller at OCC, manages the accounting operations and financial reporting processes for the clearinghouse. Overseeing the accuracy of financial statements, the Deputy Chief Financial Officer & Controller ensures that all fiscal activities comply with regulatory requirements. This leadership role involves directing the internal control environment to mitigate financial risk and ensure the integrity of settlement funds. By maintaining rigorous accounting standards, Scott Martyn directly impacts the financial transparency of the organization. The Deputy Chief Financial Officer & Controller also coordinates with external auditors to validate the financial health of the clearinghouse. Through the precise management of corporate ledgers, Martyn supports the strategic financial planning of the executive team. This executive leadership ensures that the financial records remain accurate and reliable, providing the necessary foundation for the clearinghouse to operate effectively within the global financial markets.

    Gary Denison - Chapter President

    Gary Denison, the Chapter President at OCC, directs regional engagement and organizational outreach initiatives to support the clearinghouse mission. Overseeing the development of local market relationships, the Chapter President ensures that the organization maintains a strong presence within the financial community. This leadership role involves coordinating with industry stakeholders to promote the benefits of central counterparty clearing services. By fostering collaboration across regional networks, Gary Denison directly impacts the adoption of clearinghouse standards. The Chapter President also manages the implementation of outreach programs that educate market participants on risk management practices. Through the strategic alignment of regional activities, Denison enhances the reputation of the organization. This executive leadership ensures that the clearinghouse remains connected to the needs of the market, providing the necessary support to maintain stability and trust across diverse financial sectors and regional operations.

    Nikolas Otteson - President

    Nikolas Otteson, the President at OCC, directs the overall strategic vision and operational execution of the clearinghouse. Overseeing the entire organization, the President ensures that all departments work in harmony to provide secure central counterparty clearing and settlement services. This leadership role involves setting the long-term goals for market stability and risk management. By driving the corporate strategy, Nikolas Otteson directly impacts the growth and resilience of the clearinghouse. The President also represents the organization in high-level discussions with regulators and industry leaders to shape the future of financial derivatives. Through the effective management of executive teams, Otteson maintains the operational excellence required for the clearinghouse to function as a critical pillar of the financial system. This executive leadership ensures that the organization remains committed to its mission of providing reliable and efficient services to the global financial markets.

    Ric Olympia - Chief Technology Officer

    Ric Olympia, the Chief Technology Officer at OCC, architects the digital infrastructure supporting high-volume clearing and settlement services. Overseeing the development of advanced trading platforms, the Chief Technology Officer ensures the scalability and security of systems processing complex financial derivatives. This leadership role involves driving innovation in automated clearing processes to enhance market efficiency. By integrating cutting-edge software solutions, Ric Olympia directly impacts the speed and reliability of transaction settlements. The Chief Technology Officer also collaborates with engineering teams to maintain system uptime during periods of extreme market activity. Through the implementation of resilient cloud-based architectures, Olympia protects the integrity of the clearinghouse data. This executive leadership ensures that the technological framework remains at the forefront of the finance industry, supporting the operational scale required for global market participants to execute trades with confidence and precision.

    Rebecca Porterfield - Chief of Staff

    Rebecca Porterfield, the Chief of Staff at OCC, coordinates strategic initiatives and facilitates communication across all executive departments. Overseeing the alignment of corporate objectives, the Chief of Staff ensures that internal operations support the core mission of providing central counterparty clearing services. This leadership role involves managing high-priority projects and streamlining decision-making processes for the senior management team. By fostering cross-functional collaboration, Rebecca Porterfield directly impacts the organizational agility required to navigate the evolving financial landscape. The Chief of Staff also manages the flow of information to the Board, ensuring transparency and strategic focus. Through the optimization of administrative workflows, Porterfield enhances the overall efficiency of the clearinghouse. This executive leadership ensures that the organization remains focused on its primary goal of maintaining market stability while executing complex operational mandates across the entire enterprise.

    Raymond Tamayo - Chief Information Officer

    Raymond Tamayo, the Chief Information Officer at OCC, manages the enterprise data strategy and information security protocols essential for clearinghouse operations. Overseeing the protection of sensitive financial data, the Chief Information Officer ensures that all information systems adhere to the highest standards of cybersecurity. This leadership role involves directing the implementation of data governance frameworks to support the integrity of settlement services. By leveraging advanced analytics, Raymond Tamayo directly impacts the ability of the organization to monitor risk in real-time. The Chief Information Officer also coordinates with technology teams to ensure the seamless integration of data across all clearing platforms. Through the continuous improvement of information systems, Tamayo safeguards the clearinghouse against emerging digital threats. This executive leadership ensures that the information infrastructure remains secure and reliable, providing the necessary data intelligence to maintain market confidence.

    Heather Mosny - Principal, Office of the Chief Information Officer

    Heather Mosny, the Principal, Office of the Chief Information Officer at OCC, executes operational strategies within the information technology division to support clearinghouse functions. Overseeing the implementation of specific IT projects, the Principal, Office of the Chief Information Officer ensures that technical resources align with the broader goals of the organization. This leadership role involves managing the day-to-day execution of information technology initiatives that enhance the reliability of settlement services. By optimizing internal processes, Heather Mosny directly impacts the efficiency of the technology department. The Principal, Office of the Chief Information Officer also facilitates communication between technical teams and executive leadership to ensure project success. Through the careful management of IT assets, Mosny supports the overall stability of the clearinghouse infrastructure. This executive leadership ensures that the technical operations remain consistent with the high standards required for secure financial clearing.

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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 Technology Officer.