Mts Executive and Leadership Team

June, 2026

Leadership Overview

Mts has 6 executives leading key functions including strategy, finance, operations, human resources, and rail operations.

Dedicated to enhancing urban mobility, Mts provides essential bus and rail services, directly impacting the daily lives of San Diego residents and commuters through reliable and efficient public transportation.

Leadership Roles at Mts

  • Chief Executive Officer - Sharon Cooney
  • Chief Financial Officer - Lawrence Marinesi
  • Deputy Chief Financial Officer - Mike Thompson
  • Chief Operating Officer - Michael Wygant
  • Chief Operating Officer-Rail Division - Brian Riley
  • Chief Human Resources Officer - Jeffrey Stumbo
  • Sharon Cooney - Chief Executive Officer

    Sharon Cooney, the Chief Executive Officer at Mts, directs the overall strategic vision and operational execution for the Metropolitan Transit System. Overseeing all facets of the organization, Cooney ensures the delivery of comprehensive bus and rail services across San Diego. This leadership role involves fostering partnerships with private operators and government entities to expand service reach and improve transit accessibility. By championing innovation in public transportation, Sharon Cooney drives efficiency and enhances the rider experience, solidifying Mts's position as a vital community resource. The Chief Executive Officer's mandate includes long-term financial health and sustainable growth for the transit network.
    Sharon Cooney

    Lawrence Marinesi - Chief Financial Officer

    Lawrence Marinesi, the Chief Financial Officer at Mts, manages all financial operations and fiscal strategy for the Metropolitan Transit System. Marinesi oversees budgeting, financial planning, and resource allocation to support the organization's extensive bus and rail services. This critical position involves ensuring financial stability and optimizing expenditures across all departments. By implementing robust financial controls and reporting mechanisms, Lawrence Marinesi safeguards the company's assets and supports strategic investment in infrastructure and service enhancements. The Chief Financial Officer's expertise is vital for maintaining operational integrity and driving fiscal responsibility throughout the transit network.
    Lawrence Marinesi

    Mike Thompson - Deputy Chief Financial Officer

    Mike Thompson, the Deputy Chief Financial Officer at Mts, supports the Chief Financial Officer in managing the financial health of the Metropolitan Transit System. Thompson assists in financial planning, analysis, and reporting, contributing to the effective allocation of resources for bus and rail operations. This role involves collaborating with various departments to ensure fiscal discipline and support strategic financial objectives. By providing critical financial insights, Mike Thompson aids in optimizing expenditures and identifying opportunities for financial improvement. The Deputy Chief Financial Officer's support is integral to maintaining the financial stability and operational capacity of Mts's transit services.

    Michael Wygant - Chief Operating Officer

    Michael Wygant, the Chief Operating Officer at Mts, oversees the day-to-day operational activities of the Metropolitan Transit System's bus and rail services. Wygant directs the implementation of operational strategies aimed at enhancing service reliability and efficiency for commuters in San Diego. This role involves managing fleet operations, service scheduling, and ensuring compliance with safety regulations across all transit modes. By focusing on operational excellence, Michael Wygant drives improvements in service delivery and customer satisfaction. The Chief Operating Officer's leadership ensures the seamless functioning of Mts's extensive transportation network, supporting community mobility.
    Michael Wygant

    Brian Riley - Chief Operating Officer-Rail Division

    Brian Riley, the Chief Operating Officer-Rail Division at Mts, directs all operational aspects of the Metropolitan Transit System's rail services. Riley oversees the maintenance, safety, and performance of the rail network, ensuring reliable transportation for passengers throughout San Diego. This specialized role involves managing rail infrastructure, coordinating with operational teams, and implementing strategies to enhance service punctuality and passenger experience. By focusing on the unique demands of rail operations, Brian Riley drives efficiency and safety within this critical division. The Chief Operating Officer-Rail Division's expertise is essential for the effective functioning and continuous improvement of Mts's rail transit.
    Brian Riley

    Jeffrey Stumbo - Chief Human Resources Officer

    Jeffrey Stumbo, the Chief Human Resources Officer at Mts, leads all human capital management initiatives for the Metropolitan Transit System. Stumbo is responsible for talent acquisition, employee development, and fostering a positive organizational culture across the transit workforce. This executive function involves developing and implementing HR policies that support the operational needs of bus and rail services. By prioritizing employee well-being and professional growth, Jeffrey Stumbo ensures a skilled and motivated team is in place to deliver essential transit services. The Chief Human Resources Officer's strategic guidance is fundamental to maintaining a high-performing and engaged workforce.

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    Frequently Asked Questions Regarding Mts Top Executives and Leadership Team

    Who leads Mts?
    Mts is led by Sharon Cooney (Chief Executive Officer), along with executives such as Lawrence Marinesi (Chief Financial Officer) and Mike Thompson (Deputy Chief Financial Officer).
    Who is part of Mts’s executive team?
    The executive team of Mts includes leaders such as Sharon Cooney (Chief Executive Officer), Lawrence Marinesi (Chief Financial Officer), Mike Thompson (Deputy Chief Financial Officer) and other senior executives.
    How many executives does Mts have?
    Mts has 6 executives leading key business areas.
    What roles are included in Mts’s leadership team?
    The leadership team of Mts includes roles such as Chief Executive Officer, Chief Financial Officer, Deputy Chief Financial Officer, Chief Operating Officer, Chief Operating Officer-Rail Division.