Milwaukee County Transit System Executive and Leadership Team

November, 2026

Leadership Overview

Milwaukee County Transit System has 6 executives leading key functions including executive strategy, financial management, information security, human resources, administration, and transit operations.

Committed to reliable public mobility, Milwaukee County Transit System delivers essential transportation services across the region while maintaining a focus on operational excellence and community connectivity.

Leadership Roles at Milwaukee County Transit System

  • Vice President and Deputy Chief Executive Officer - Ruben Salas
  • Chief Financial Officer - Alexander Corona
  • Chief Information Officer & Chief Information Security Officer - William Bethia
  • Chief Human Resources Officer - Benjamin Stark
  • Chief Administrative Officer - Sandra Kellner
  • Chief Operations Officer - Brian Wojcik
  • Ruben Salas - Vice President and Deputy Chief Executive Officer

    Ruben Salas, the Vice President and Deputy Chief Executive Officer at Milwaukee County Transit System, directs high-level organizational strategy and oversees daily administrative functions. Salas coordinates with the executive leadership team to ensure alignment between transit service delivery and long-term regional mobility goals. By managing complex interdepartmental workflows, the Vice President and Deputy Chief Executive Officer optimizes resource allocation across the entire bus fleet. This leadership role involves evaluating performance metrics to enhance service reliability for Milwaukee County residents. Ruben Salas drives initiatives that improve operational efficiency while maintaining fiscal responsibility. Through rigorous oversight of internal processes, the Vice President and Deputy Chief Executive Officer supports the expansion of local routes and strengthens the overall transit infrastructure. Ultimately, Salas ensures that the agency meets the evolving transportation needs of the community through proactive planning and consistent execution of corporate objectives.

    Alexander Corona - Chief Financial Officer

    Alexander Corona, the Chief Financial Officer at Milwaukee County Transit System, manages the fiscal health and budgetary planning for the entire transit agency. Corona oversees capital investment strategies, revenue forecasting, and grant administration to support the maintenance of the bus fleet. By implementing robust financial controls, the Chief Financial Officer ensures transparency and accountability in all monetary operations. This leadership role requires constant collaboration with the Board to secure funding for critical infrastructure projects and route expansions. Alexander Corona drives cost-saving measures that allow for the reinvestment of capital into service improvements. Through meticulous analysis of economic trends, the Chief Financial Officer mitigates financial risks while maximizing the impact of public funding. Ultimately, Corona secures the long-term economic stability of the organization, enabling the continued provision of reliable transportation services to the diverse population of Milwaukee County.

    William Bethia - Chief Information Officer & Chief Information Security Officer

    William Bethia, the Chief Information Officer & Chief Information Security Officer at Milwaukee County Transit System, architects the digital infrastructure and cybersecurity framework for the agency. Bethia manages the integration of advanced transit technologies, including real-time tracking systems and fare collection platforms. By enforcing strict data protection protocols, the Chief Information Officer & Chief Information Security Officer safeguards sensitive passenger information and critical operational networks. This leadership role involves modernizing legacy systems to improve service efficiency and user experience across all local routes. William Bethia drives the adoption of secure cloud solutions that support seamless communication between dispatch centers and the bus fleet. Through continuous monitoring of the threat landscape, the Chief Information Officer & Chief Information Security Officer prevents unauthorized access to essential transit data. Ultimately, Bethia ensures the technological resilience of the organization, facilitating reliable and secure public transit operations.

    Benjamin Stark - Chief Human Resources Officer

    Benjamin Stark, the Chief Human Resources Officer at Milwaukee County Transit System, directs talent acquisition, workforce development, and labor relations for the agency. Stark manages the recruitment and training of bus operators and maintenance staff to ensure consistent service delivery across all local routes. By fostering a culture of safety and professional growth, the Chief Human Resources Officer improves employee retention and operational morale. This leadership role involves negotiating collective bargaining agreements and overseeing compliance with labor regulations. Benjamin Stark drives initiatives that align human capital strategies with the broader mission of providing reliable public transportation. Through the implementation of comprehensive benefits and wellness programs, the Chief Human Resources Officer supports the diverse workforce powering the transit system. Ultimately, Stark ensures that the organization maintains a highly skilled and motivated team capable of meeting the daily demands of Milwaukee County commuters.
    Benjamin Stark

    Sandra Kellner - Chief Administrative Officer

    Sandra Kellner, the Chief Administrative Officer at Milwaukee County Transit System, oversees the internal business operations and corporate governance structures of the agency. Kellner manages facilities, procurement processes, and administrative support services that enable the smooth functioning of the transit network. By streamlining organizational policies, the Chief Administrative Officer ensures that all departments operate in compliance with local and state regulations. This leadership role involves coordinating cross-functional projects that enhance the efficiency of administrative workflows. Sandra Kellner drives the development of sustainable business practices that support the long-term goals of the transit system. Through the management of vendor relationships and contract administration, the Chief Administrative Officer optimizes the use of resources across the organization. Ultimately, Kellner provides the structural foundation necessary for the agency to deliver consistent and reliable transportation services to the residents of Milwaukee County.

    Brian Wojcik - Chief Operations Officer

    Brian Wojcik, the Chief Operations Officer at Milwaukee County Transit System, directs the daily execution of transit services and the maintenance of the bus fleet. Wojcik oversees route scheduling, fleet logistics, and field operations to ensure timely and safe transportation for the public. By monitoring real-time performance data, the Chief Operations Officer identifies bottlenecks and implements solutions to improve service frequency and reliability. This leadership role involves coordinating with maintenance teams to minimize vehicle downtime and maximize the availability of the fleet. Brian Wojcik drives operational excellence by optimizing transit patterns to meet the changing needs of Milwaukee County commuters. Through the rigorous application of safety standards and operational protocols, the Chief Operations Officer maintains high service quality across all local routes. Ultimately, Wojcik ensures the seamless delivery of public transit, directly impacting the mobility and accessibility of the entire region.
    Brian Wojcik

    Explore Leadership Teams in Rail, Bus & Taxi

    Frequently Asked Questions Regarding Milwaukee County Transit System Top Executives and Leadership Team

    Who leads Milwaukee County Transit System?
    Milwaukee County Transit System is led by Ruben Salas (Vice President and Deputy Chief Executive Officer), along with executives such as Alexander Corona (Chief Financial Officer) and William Bethia (Chief Information Officer & Chief Information Security Officer).
    Who is part of Milwaukee County Transit System’s executive team?
    The executive team of Milwaukee County Transit System includes leaders such as Ruben Salas (Vice President and Deputy Chief Executive Officer), Alexander Corona (Chief Financial Officer), William Bethia (Chief Information Officer & Chief Information Security Officer) and other senior executives.
    How many executives does Milwaukee County Transit System have?
    Milwaukee County Transit System has 6 executives leading key business areas.
    What roles are included in Milwaukee County Transit System’s leadership team?
    The leadership team of Milwaukee County Transit System includes roles such as Vice President and Deputy Chief Executive Officer, Chief Financial Officer, Chief Information Officer & Chief Information Security Officer, Chief Human Resources Officer, Chief Administrative Officer.