Stellar Bank Executive and Leadership Team

September, 2026

Leadership Overview

Stellar Bank has 10 executives leading key functions including regional strategy, executive management, market operations, and operational efficiency.

Committed to relationship-based community banking, Stellar Bank delivers personalized financial expertise to help clients achieve long-term goals through responsive service and robust resources.

Leadership Roles at Stellar Bank

  • Executive Vice President & Regional Chief Executive Officer - Gary Englert
  • President & Chief Executive Officer - Andrew Cook
  • Executive Vice President & Chief Executive Officer, Market, The Woodlands - Dave Martin
  • Senior Vice President - Market Chief Executive Officer, Southeast Houston - Jon Beverly
  • President & Chief Executive Officer - David Onderko
  • Senior Executive Vice President and Chief Operating Officer - George Simonton
  • Regional President, Commercial Lending - Michelle Droubi
  • Regional President, Commercial Bankng - Ryan Tillman
  • Chief Information Officer, Sevp - Johnny Ensminger
  • Chief Human Resources Officer - Troy MacEachern
  • Gary Englert - Executive Vice President & Regional Chief Executive Officer

    Gary Englert, the Executive Vice President & Regional Chief Executive Officer at Stellar Bank, directs regional growth initiatives across the Texas market. Englert oversees the integration of relationship-based banking services to ensure consistent client engagement. By managing regional portfolios, the Executive Vice President & Regional Chief Executive Officer aligns local branch activities with the broader institutional mission of providing superior financial solutions. This leadership role involves coordinating with commercial lending teams to expand market share while maintaining high service standards. Gary Englert monitors regional performance metrics to optimize resource allocation and drive operational excellence. Through consistent oversight of regional banking activities, the Executive Vice President & Regional Chief Executive Officer strengthens the competitive position of the institution against both large national competitors and smaller local entities. This focus on regional stability supports the overall growth trajectory of the organization.

    Andrew Cook - President & Chief Executive Officer

    Andrew Cook, the President & Chief Executive Officer at Stellar Bank, architects the overarching strategic vision for the entire financial institution. Cook drives the execution of long-term growth plans while ensuring the bank maintains its commitment to responsive, relationship-based community banking. As the primary leader, the President & Chief Executive Officer manages the alignment of all departments with the core mission of providing expert financial guidance. This role involves constant collaboration with the Board to refine market positioning and enhance the value proposition for clients. Andrew Cook monitors the competitive landscape to identify opportunities for expansion and service innovation. By fostering a culture of dedication and personal focus, the President & Chief Executive Officer ensures that the institution remains a vital partner for every customer. This leadership approach secures the financial health and operational integrity of the bank across all service sectors.

    Dave Martin - Executive Vice President & Chief Executive Officer, Market, The Woodlands

    Dave Martin, the Executive Vice President & Chief Executive Officer, Market, The Woodlands at Stellar Bank, manages all banking operations within the specific Woodlands territory. Martin directs the local team to provide tailored financial solutions that meet the unique needs of the community. As the Executive Vice President & Chief Executive Officer, Market, The Woodlands, the leader ensures that every client interaction reflects the high standards of service expected from the institution. This role involves building strong relationships with local businesses and individuals to foster long-term loyalty. Dave Martin coordinates with other regional leaders to share best practices and improve service delivery across the broader organization. By focusing on local market penetration and customer satisfaction, the Executive Vice President & Chief Executive Officer, Market, The Woodlands drives significant revenue growth. This strategic focus on the Woodlands area reinforces the bank's reputation as a premier financial partner.

    Jon Beverly - Senior Vice President - Market Chief Executive Officer, Southeast Houston

    Jon Beverly, the Senior Vice President - Market Chief Executive Officer, Southeast Houston at Stellar Bank, oversees all financial operations and client service initiatives within the Southeast Houston region. Beverly directs the local banking team to deliver personalized financial plans that empower customers to achieve their goals. As the Senior Vice President - Market Chief Executive Officer, Southeast Houston, the leader maintains a sharp focus on expanding the bank's footprint through relationship-based community engagement. This role involves managing local credit portfolios and ensuring that all banking services align with the institution's commitment to excellence. Jon Beverly collaborates with other regional executives to streamline operations and enhance the overall customer experience. By prioritizing local market needs, the Senior Vice President - Market Chief Executive Officer, Southeast Houston drives consistent growth and strengthens the bank's presence in the region. This leadership ensures that clients receive expert guidance and responsive support.

    David Onderko - President & Chief Executive Officer

    David Onderko, the President & Chief Executive Officer at Stellar Bank, leads the strategic development of the bank's commercial and retail banking divisions. Onderko architects the operational framework that allows the institution to out-bank larger competitors through superior service and personal focus. As the President & Chief Executive Officer, the leader ensures that all organizational resources support the mission of helping customers form and execute financial plans. This role involves overseeing the executive team to maintain high standards of performance and accountability. David Onderko monitors market trends to adjust the bank's strategy for maximum impact and long-term sustainability. By fostering strong relationships with stakeholders, the President & Chief Executive Officer drives the bank's reputation as a vital financial partner. This leadership role focuses on scaling operations while preserving the community-centric values that define the institution's unique market position.

    George Simonton - Senior Executive Vice President and Chief Operating Officer

    George Simonton, the Senior Executive Vice President and Chief Operating Officer at Stellar Bank, directs the internal infrastructure and operational efficiency of the entire organization. Simonton oversees the daily execution of banking processes to ensure that all departments function in harmony with the bank's strategic goals. As the Senior Executive Vice President and Chief Operating Officer, the leader manages the integration of technology and human capital to support the institution's growth. This role involves optimizing workflows to enhance service delivery and reduce operational friction. George Simonton collaborates with other C-suite leaders to implement policies that improve productivity and maintain regulatory compliance. By focusing on the internal mechanics of the bank, the Senior Executive Vice President and Chief Operating Officer ensures that the institution remains agile and responsive to client needs. This leadership role is essential for maintaining the high service standards that define the bank's market impact.

    Michelle Droubi - Regional President, Commercial Lending

    Michelle Droubi, the Regional President, Commercial Lending at Stellar Bank, directs the commercial credit and lending operations across the bank's primary markets. Droubi oversees the development of complex financial solutions for business clients, ensuring that each loan structure supports the customer's specific growth objectives. As the Regional President, Commercial Lending, the leader manages the commercial portfolio to balance risk and reward while maintaining the bank's high service standards. This role involves working closely with business owners to provide the resources and expertise necessary for their success. Michelle Droubi collaborates with other regional leaders to expand the bank's commercial footprint and increase market share. By focusing on relationship-based lending, the Regional President, Commercial Lending strengthens the bank's position as a vital partner for the business community. This leadership role ensures that commercial clients receive the personalized attention required to thrive.

    Ryan Tillman - Regional President, Commercial Bankng

    Ryan Tillman, the Regional President, Commercial Bankng at Stellar Bank, manages the strategic expansion of commercial banking services within the bank's operational regions. Tillman directs the commercial banking team to provide tailored financial products that meet the diverse needs of local enterprises. As the Regional President, Commercial Bankng, the leader ensures that all commercial activities align with the bank's mission of delivering expert financial guidance. This role involves building and maintaining strong relationships with key business clients to foster long-term loyalty and growth. Ryan Tillman collaborates with other executives to refine the bank's commercial strategy and improve service delivery. By focusing on the specific needs of the commercial sector, the Regional President, Commercial Bankng drives revenue and enhances the bank's reputation as a premier financial institution. This leadership role is essential for maintaining the bank's competitive edge in the commercial banking market.

    Johnny Ensminger - Chief Information Officer, Sevp

    Johnny Ensminger, the Chief Information Officer, Sevp at Stellar Bank, architects the digital infrastructure and technological capabilities of the institution. Ensminger directs the implementation of secure, scalable banking systems that support the bank's relationship-based service model. As the Chief Information Officer, Sevp, the leader ensures that all digital platforms provide a seamless experience for customers and staff alike. This role involves managing cybersecurity protocols and data integrity to protect the financial interests of the bank's clients. Johnny Ensminger collaborates with other executives to align technology investments with the bank's long-term growth strategy. By leveraging advanced financial technology, the Chief Information Officer, Sevp enhances the bank's ability to provide expert financial guidance in a digital-first environment. This leadership role ensures that the institution remains at the forefront of banking innovation while maintaining the personal touch that customers value.

    Troy MacEachern - Chief Human Resources Officer

    Troy MacEachern, the Chief Human Resources Officer at Stellar Bank, directs the talent acquisition, development, and retention strategies for the entire organization. MacEachern oversees the cultivation of a workforce that embodies the bank's commitment to relationship-based community banking. As the Chief Human Resources Officer, the leader ensures that all employees possess the expertise and dedication required to serve as financial partners to clients. This role involves designing performance management systems that reward excellence and align with the bank's core values. Troy MacEachern collaborates with other executives to foster a culture of personal focus and professional growth. By managing the human capital needs of the institution, the Chief Human Resources Officer supports the bank's ability to out-service competitors. This leadership role is critical for maintaining the high-quality service standards that define the bank's reputation in the financial industry.

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    Frequently Asked Questions Regarding Stellar Bank Top Executives and Leadership Team

    Who leads Stellar Bank?
    Stellar Bank is led by Gary Englert (Executive Vice President & Regional Chief Executive Officer), along with executives such as Andrew Cook (President & Chief Executive Officer) and Dave Martin (Executive Vice President & Chief Executive Officer, Market, The Woodlands).
    Who is part of Stellar Bank’s executive team?
    The executive team of Stellar Bank includes leaders such as Gary Englert (Executive Vice President & Regional Chief Executive Officer), Andrew Cook (President & Chief Executive Officer), Dave Martin (Executive Vice President & Chief Executive Officer, Market, The Woodlands) and other senior executives.
    How many executives does Stellar Bank have?
    Stellar Bank has 10 executives leading key business areas.
    What roles are included in Stellar Bank’s leadership team?
    The leadership team of Stellar Bank includes roles such as Executive Vice President & Regional Chief Executive Officer, President & Chief Executive Officer, Executive Vice President & Chief Executive Officer, Market, The Woodlands, Senior Vice President - Market Chief Executive Officer, Southeast Houston, President & Chief Executive Officer.