OCC Executive and Leadership Team

August, 2026

Leadership Overview

OCC has 8 executives leading key functions including financial oversight, information technology, strategic operations, and corporate leadership.

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.

Leadership Roles at OCC

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

    Frank Larocca, the Chief Financial Officer at OCC, manages the entire fiscal architecture of the organization. Overseeing capital allocation and financial reporting, the Chief Financial Officer ensures the clearinghouse maintains sufficient liquidity to support market operations. This role involves constant collaboration with regulatory bodies to verify compliance with strict financial standards. By directing the treasury functions, Frank Larocca stabilizes the balance sheet against volatile market conditions. The Chief Financial Officer also monitors the clearing fund requirements, ensuring that the financial health of the firm remains resilient. Through rigorous analysis of clearing and settlement data, the Chief Financial Officer optimizes the cost structure of the enterprise. This leadership position demands precise oversight of all fiscal assets to protect the broader financial ecosystem. Ultimately, Larocca secures the long-term economic viability of the clearinghouse through disciplined financial planning and strategic resource management.

    Scott Martyn - Deputy Chief Financial Officer & Controller

    Scott Martyn, the Deputy Chief Financial Officer & Controller at OCC, manages the internal accounting controls and regulatory reporting functions. Overseeing the daily financial operations, the Deputy Chief Financial Officer & Controller ensures that all clearing and settlement activities adhere to strict accounting standards. This role involves maintaining the integrity of the financial records and managing the audit process for the organization. By directing the accounting team, Scott Martyn provides the financial data necessary for informed decision-making at the executive level. The Deputy Chief Financial Officer & Controller monitors the cash flow and expense management to ensure operational efficiency. This leadership position requires precise attention to detail to mitigate financial risk within the clearinghouse. Through the oversight of tax compliance and financial reporting, the Deputy Chief Financial Officer & Controller supports the overall fiscal stability of the firm. Ultimately, Martyn maintains the accuracy and transparency of the financial systems.

    Nikolas Otteson - President

    Nikolas Otteson, the President at OCC, directs the overall strategic vision and daily business operations of the clearinghouse. Overseeing the execution of corporate goals, the President ensures that the firm continues to provide reliable central counterparty clearing and settlement services. This role involves leading the executive team to maintain market integrity and manage systemic risk. By driving growth initiatives, Nikolas Otteson expands the reach of the organization within the global financial derivatives market. The President collaborates with the board to set the long-term direction of the firm, ensuring alignment with regulatory expectations. This leadership position requires a comprehensive understanding of the financial landscape to navigate complex market challenges. Through the management of key stakeholder relationships, the President fosters trust and stability in the clearing process. Ultimately, Otteson leads the organization toward sustained operational success and market relevance in an increasingly competitive financial environment.

    Gary Denison - Chapter President

    Gary Denison, the Chapter President at OCC, manages the regional operational initiatives and local market engagement strategies. Overseeing the implementation of corporate policies at the chapter level, the Chapter President ensures that regional activities remain consistent with the mission of the clearinghouse. This role involves coordinating with local stakeholders to promote the value of central counterparty services. By driving regional outreach, Gary Denison strengthens the market presence of the firm. The Chapter President monitors the effectiveness of local operations and reports findings to the executive leadership team. This leadership position requires a focus on regional market dynamics to identify opportunities for service expansion. Through the management of local resources, the Chapter President ensures that the organization maintains a strong operational footprint. Ultimately, Denison supports the broader corporate objectives by fostering effective engagement and operational consistency across the regional market landscape.

    Raymond Tamayo - Chief Information Officer

    Raymond Tamayo, the Chief Information Officer at OCC, directs the digital infrastructure supporting central counterparty clearing services. Overseeing the enterprise data architecture, the Chief Information Officer ensures the high-speed processing of complex financial transactions. This role involves managing the cybersecurity framework to protect sensitive market data from emerging threats. By architecting scalable systems, Raymond Tamayo enables the firm to handle massive daily trade volumes without latency. The Chief Information Officer coordinates with internal teams to integrate new clearing technologies that enhance settlement efficiency. This leadership position requires constant monitoring of system uptime to maintain market confidence. Through the implementation of advanced data analytics, the Chief Information Officer drives operational transparency across the clearinghouse. Ultimately, Tamayo maintains the technological backbone of the organization, ensuring that all digital platforms remain secure, reliable, and capable of supporting the evolving needs of the global derivatives market.

    Rebecca Porterfield - Chief of Staff

    Rebecca Porterfield, the Chief of Staff at OCC, manages the strategic alignment of executive initiatives across the organization. Overseeing the daily operations of the leadership office, the Chief of Staff ensures that corporate objectives remain synchronized with the mission of providing central counterparty clearing services. This role involves facilitating communication between the board and senior management to streamline decision-making processes. By coordinating cross-departmental projects, Rebecca Porterfield drives organizational efficiency and accountability. The Chief of Staff monitors the progress of key strategic goals, ensuring that resources align with the long-term vision of the firm. This leadership position requires a deep understanding of the clearinghouse business model to effectively manage complex internal workflows. Through the management of executive priorities, the Chief of Staff optimizes the performance of the entire leadership team. Ultimately, Porterfield ensures that the organization operates with cohesion and focus in a demanding financial environment.

    Ric Olympia - Chief Technology Officer

    Ric Olympia, the Chief Technology Officer at OCC, architects the next-generation software solutions for clearing and settlement operations. Overseeing the development of proprietary trading platforms, the Chief Technology Officer ensures that the firm utilizes cutting-edge tools to maintain market leadership. This role involves leading engineering teams in the creation of robust, low-latency systems that support high-volume derivatives clearing. By driving innovation in software design, Ric Olympia enhances the speed and accuracy of settlement processes. The Chief Technology Officer collaborates with other executives to align technical roadmaps with the broader business strategy of the clearinghouse. This leadership position requires constant evaluation of emerging technologies to identify opportunities for operational improvement. Through the implementation of agile development methodologies, the Chief Technology Officer accelerates the delivery of critical system upgrades. Ultimately, Olympia ensures that the technological capabilities of the firm remain at the forefront of the financial services industry.

    Heather Mosny - Principal, Office of the Chief Information Officer

    Heather Mosny, the Principal, Office of the Chief Information Officer at OCC, manages the operational execution of information technology strategies. Overseeing the coordination of IT projects, the Principal, Office of the Chief Information Officer ensures that technical initiatives support the core clearing and settlement services. This role involves managing the resource allocation for major technology deployments to ensure timely completion. By facilitating communication between technical teams and business units, Heather Mosny drives the successful integration of new systems. The Principal, Office of the Chief Information Officer monitors the performance metrics of IT operations to identify areas for process improvement. This leadership position requires a deep understanding of the technological requirements of a central counterparty. Through the management of complex IT workflows, the Principal, Office of the Chief Information Officer ensures that the organization maintains a high standard of operational excellence. Ultimately, Mosny supports the technological stability of the firm.

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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 Nikolas Otteson (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), Nikolas Otteson (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, President, Chapter President, Chief Information Officer.