San Antonio Water System Executive and Leadership Team

August, 2026

Leadership Overview

San Antonio Water System has 6 executives leading key functions including financial management, information technology, operational oversight, innovation, and external relations.

Committed to sustainable resource management, San Antonio Water System delivers essential water and irrigation services to the region while maintaining a focus on long-term infrastructure resilience and public utility excellence.

Leadership Roles at San Antonio Water System

  • Chief Financial Officer - Marilize Hogendoorn
  • Senior Vice President & Chief Financial Officer - Cecilia Velasquez
  • Executive Vice President & Chief Operating Officer - Andrea Beymer
  • Vice President & Chief Information Officer - Robert Pina
  • Senior VP, Operations Support Innovation & Chief of Staff - Jaime Castillo
  • Manager, External Relations - Stephanie Bocanegra
  • Marilize Hogendoorn - Chief Financial Officer

    Marilize Hogendoorn, the Chief Financial Officer at San Antonio Water System, directs all fiscal planning and budgetary allocations for the utility. Managing capital improvement funds, the Chief Financial Officer ensures the financial health of water and irrigation service delivery across the Texas region. This role involves rigorous oversight of rate structures and long-term debt management to support infrastructure expansion. By aligning fiscal policies with public utility mandates, Marilize Hogendoorn secures the necessary capital for ongoing operational stability. Hogendoorn monitors revenue streams and expenditure patterns to optimize resource distribution. Through precise financial forecasting, the Chief Financial Officer maintains the economic viability of the organization. This leadership position requires constant collaboration with the board to balance service affordability with the high costs of maintaining complex water systems. Ultimately, Hogendoorn drives the financial strategy that sustains the utility's mission.

    Cecilia Velasquez - Senior Vice President & Chief Financial Officer

    Cecilia Velasquez, the Senior Vice President & Chief Financial Officer at San Antonio Water System, manages the long-term financial planning and investment strategies for the utility. Overseeing the treasury and accounting departments, the Senior Vice President & Chief Financial Officer ensures compliance with public utility regulations. This role involves analyzing market trends to inform rate-setting processes and capital expenditure decisions. By diversifying funding sources, Cecilia Velasquez strengthens the financial resilience of the organization against economic fluctuations. Velasquez monitors the performance of investment portfolios to maximize returns on utility assets. Through rigorous audit processes, the Senior Vice President & Chief Financial Officer maintains transparency and accountability in all fiscal operations. This leadership position requires constant collaboration with external financial partners to secure favorable financing for infrastructure projects. Ultimately, Velasquez drives the financial stability that supports the delivery of essential water services to the community.

    Andrea Beymer - Executive Vice President & Chief Operating Officer

    Andrea Beymer, the Executive Vice President & Chief Operating Officer at San Antonio Water System, manages the daily delivery of water and irrigation services. Overseeing field operations and maintenance crews, the Executive Vice President & Chief Operating Officer ensures the reliability of the utility's physical assets. This role involves coordinating large-scale infrastructure projects to meet the growing demands of the Texas market. By optimizing supply chain logistics and maintenance schedules, Andrea Beymer improves the overall efficiency of service delivery. Beymer directs the implementation of safety protocols across all operational sites to protect the workforce and the public. Through rigorous performance monitoring, the Executive Vice President & Chief Operating Officer identifies areas for process improvement within the water distribution network. This leadership position requires constant coordination with engineering teams to address aging infrastructure. Ultimately, Beymer executes the operational strategy that guarantees consistent water access for the entire region.
    Andrea Beymer

    Robert Pina - Vice President & Chief Information Officer

    Robert Pina, the Vice President & Chief Information Officer at San Antonio Water System, architects the digital infrastructure supporting regional water distribution. Overseeing cybersecurity protocols and data management systems, the Vice President & Chief Information Officer ensures the integrity of utility networks. This role involves implementing advanced monitoring technologies to track irrigation service efficiency across the service area. By modernizing internal software platforms, Robert Pina enhances the operational responsiveness of the entire organization. Pina manages the integration of smart grid technologies to improve water conservation efforts. Through strategic technology investments, the Vice President & Chief Information Officer mitigates risks associated with digital threats to public infrastructure. This leadership function requires constant alignment with operational goals to ensure seamless data flow between departments. Ultimately, Pina secures the technological foundation that allows the utility to provide reliable services to the community.
    Robert Pina

    Jaime Castillo - Senior VP, Operations Support Innovation & Chief of Staff

    Jaime Castillo, the Senior VP, Operations Support Innovation & Chief of Staff at San Antonio Water System, drives internal process improvements and strategic initiatives. Overseeing the integration of innovative technologies into operational workflows, the Senior VP, Operations Support Innovation & Chief of Staff ensures the utility remains at the forefront of industry advancements. This role involves managing executive communications and facilitating cross-departmental collaboration to achieve organizational goals. By streamlining administrative functions, Jaime Castillo enhances the agility of the leadership team. Castillo coordinates special projects that address emerging challenges in water resource management. Through the application of data-driven insights, the Senior VP, Operations Support Innovation & Chief of Staff optimizes internal support systems. This leadership function requires constant engagement with various stakeholders to align operational support with the broader mission of the utility. Ultimately, Castillo executes the strategic vision that fosters continuous improvement across the organization.

    Stephanie Bocanegra - Manager, External Relations

    Stephanie Bocanegra, the Manager, External Relations at San Antonio Water System, directs public outreach and community engagement programs. Overseeing communication strategies, the Manager, External Relations ensures the public understands the utility's conservation initiatives and service updates. This role involves managing relationships with local government entities and community organizations to foster support for water management policies. By coordinating educational campaigns, Stephanie Bocanegra promotes responsible water usage across the region. Bocanegra handles media inquiries and public information requests to maintain transparency regarding utility operations. Through proactive community involvement, the Manager, External Relations builds trust and alignment between the organization and the residents it serves. This leadership function requires constant monitoring of public sentiment to adjust communication strategies effectively. Ultimately, Bocanegra executes the external relations plan that strengthens the reputation of the utility while encouraging sustainable practices among all water consumers.

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    Frequently Asked Questions Regarding San Antonio Water System Top Executives and Leadership Team

    Who leads San Antonio Water System?
    San Antonio Water System is led by Marilize Hogendoorn (Chief Financial Officer), along with executives such as Cecilia Velasquez (Senior Vice President & Chief Financial Officer) and Andrea Beymer (Executive Vice President & Chief Operating Officer).
    Who is part of San Antonio Water System’s executive team?
    The executive team of San Antonio Water System includes leaders such as Marilize Hogendoorn (Chief Financial Officer), Cecilia Velasquez (Senior Vice President & Chief Financial Officer), Andrea Beymer (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does San Antonio Water System have?
    San Antonio Water System has 6 executives leading key business areas.
    What roles are included in San Antonio Water System’s leadership team?
    The leadership team of San Antonio Water System includes roles such as Chief Financial Officer, Senior Vice President & Chief Financial Officer, Executive Vice President & Chief Operating Officer, Vice President & Chief Information Officer, Senior VP, Operations Support Innovation & Chief of Staff.