Stellar Bank Executive and Leadership Team

August, 2026

Leadership Overview

Stellar Bank has 10 executives leading key functions including strategy, operations, human capital, and regional market management.

Driven by a commitment to relationship-based community banking, Stellar Bank delivers personalized financial expertise to help clients achieve long-term goals while maintaining a competitive edge against both large and small financial institutions.

Leadership Roles at Stellar Bank

  • Chief Executive Officer - Shawn Carson
  • President & Chief Executive Officer - Andrew Cook
  • President & Chief Executive Officer - David Onderko
  • Senior Executive Vice President and Chief Operating Officer - George Simonton
  • Market President - Danny Evans
  • President - Margaret Vandever
  • President, Bank Office Loop Office (North) - Dale Mcgill
  • Regional President - G.A. Wimberly
  • Chief Human Resources Officer - Troy MacEachern
  • Chief Information Officer, Sevp - Johnny Ensminger
  • Shawn Carson - Chief Executive Officer

    Shawn Carson, the Chief Executive Officer at Stellar Bank, directs the overarching strategic vision for the organization. Carson architects high-level growth initiatives that prioritize responsive, relationship-based community banking across the Texas market. By aligning internal resources with client needs, the Chief Executive Officer ensures the institution maintains a distinct advantage over larger competitors. This leadership role involves constant collaboration with the board to refine the long-term financial trajectory of the firm. Shawn Carson monitors market shifts to adjust service delivery models, ensuring the bank remains a vital partner for every customer. Through rigorous oversight of corporate governance and risk management, the Chief Executive Officer secures the stability of the institution. Ultimately, Carson drives the cultural mission of the bank, fostering an environment where financial experts provide tailored solutions that exceed standard industry expectations for service and personal attention.

    Andrew Cook - President & Chief Executive Officer

    Andrew Cook, the President & Chief Executive Officer at Stellar Bank, manages the execution of core banking operations and business development strategies. Cook focuses on expanding the reach of the bank within the competitive financial landscape by leveraging the combined strengths of the legacy institutions. The President & Chief Executive Officer oversees the integration of service protocols that define the unique community-focused model. By analyzing regional economic trends, Andrew Cook identifies opportunities for sustainable growth and portfolio diversification. This leadership position requires constant interaction with executive peers to synchronize operational goals with client-facing objectives. Cook drives the implementation of advanced financial tools that empower customers to execute complex plans effectively. Through disciplined management of capital and resources, the President & Chief Executive Officer ensures the bank remains agile. Ultimately, Cook strengthens the market position of the firm by delivering superior service that consistently outperforms traditional banking models.

    David Onderko - President & Chief Executive Officer

    David Onderko, the President & Chief Executive Officer at Stellar Bank, leads the strategic expansion of the commercial banking division. Onderko architects initiatives that deepen client relationships through personalized financial planning and expert advisory services. The President & Chief Executive Officer monitors the performance of key business units to ensure alignment with the overarching mission of the bank. By fostering a culture of accountability and excellence, David Onderko drives the development of innovative banking solutions tailored to the specific needs of the community. This role involves coordinating with other senior leaders to optimize the delivery of financial products across diverse market segments. Onderko evaluates competitive threats and adjusts the strategic posture of the firm to maintain a leadership position. Through consistent focus on operational efficiency and client satisfaction, the President & Chief Executive Officer secures the long-term viability of the institution while upholding the core values of the organization.

    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 daily operational functions and administrative processes of the organization. Simonton architects workflows that maximize efficiency across all departments, ensuring that the bank delivers on its promise of responsive service. The Senior Executive Vice President and Chief Operating Officer oversees the implementation of operational policies that govern risk management and regulatory compliance. By monitoring key performance indicators, George Simonton identifies areas for process improvement and resource optimization. This leadership role involves coordinating with regional presidents to ensure consistent service delivery across the entire footprint of the bank. Simonton manages the logistical aspects of the business to support the growth of the commercial and retail divisions. Through disciplined oversight of operations, the Senior Executive Vice President and Chief Operating Officer drives the internal stability required to maintain the high standards of the institution.

    Danny Evans - Market President

    Danny Evans, the Market President at Stellar Bank, directs the business development and client acquisition strategies within the assigned regional market. Evans architects local initiatives that strengthen the presence of the bank and foster deep community ties. The Market President oversees the performance of the local banking team, ensuring that every interaction reflects the relationship-based philosophy of the firm. By engaging with local business leaders and community stakeholders, Danny Evans identifies opportunities for growth and service expansion. This leadership role involves managing the local loan portfolio and deposit base to support the financial health of the region. Evans coordinates with the executive team to align local market activities with the broader corporate strategy. Through the active management of regional operations, the Market President drives the success of the bank in the local market, ensuring that clients receive the personalized attention and financial expertise that define the brand.

    Margaret Vandever - President

    Margaret Vandever, the President at Stellar Bank, directs the strategic initiatives for the specialized lending and wealth management divisions. Vandever architects customized financial solutions that address the complex needs of high-net-worth clients and commercial enterprises. The President oversees the development of investment strategies that align with the long-term goals of the bank and its customers. By fostering strong relationships with key clients, Margaret Vandever drives the growth of the asset management portfolio. This leadership role involves collaborating with other senior executives to ensure that specialized services remain integrated with the core community banking model. Vandever monitors market volatility and adjusts investment strategies to protect client capital. Through the management of high-value accounts, the President supports the overall revenue growth of the firm. Ultimately, Vandever ensures that the bank provides the sophisticated financial expertise necessary to help clients form and execute complex wealth plans.

    Dale Mcgill - President, Bank Office Loop Office (North)

    Dale Mcgill, the President, Bank Office Loop Office (North) at Stellar Bank, directs the operations and client service delivery for the northern branch network. Mcgill architects local strategies that enhance the visibility and impact of the bank within the northern territory. The President, Bank Office Loop Office (North) oversees the daily management of branch staff, ensuring that every team member adheres to the relationship-based service standards of the firm. By focusing on local market penetration, Dale Mcgill drives the growth of the deposit base and loan volume in the northern region. This leadership role involves building strong connections with local businesses and residents to establish the bank as a vital community partner. Mcgill coordinates with the operations team to ensure that branch activities align with corporate policies. Through the effective management of the northern office, the President, Bank Office Loop Office (North) secures the regional market position of the bank.

    G.A. Wimberly - Regional President

    G.A. Wimberly, the Regional President at Stellar Bank, directs the strategic oversight of banking operations across a broad geographic territory. Wimberly architects regional growth plans that leverage the unique community-focused model to capture market share. The Regional President oversees the performance of multiple branch locations, ensuring consistency in service quality and operational excellence. By analyzing regional economic data, G.A. Wimberly identifies emerging opportunities for business development and community engagement. This leadership role involves mentoring local branch managers and aligning regional activities with the overarching corporate mission. Wimberly coordinates with the executive team to ensure that regional resources are allocated effectively to support growth. Through the management of the regional footprint, the Regional President drives the expansion of the bank, ensuring that the institution remains a trusted financial partner for clients across the entire territory. Ultimately, Wimberly secures the regional success of the firm through disciplined leadership and a focus on relationship-based banking.

    Troy MacEachern - Chief Human Resources Officer

    Troy MacEachern, the Chief Human Resources Officer at Stellar Bank, directs the talent acquisition and organizational development strategies for the entire workforce. MacEachern architects programs that cultivate a high-performance culture centered on the relationship-based service model. The Chief Human Resources Officer oversees the alignment of employee performance metrics with the broader strategic goals of the bank. By implementing comprehensive training initiatives, Troy MacEachern ensures that every staff member possesses the expertise required to function as a trusted financial partner for clients. This leadership role involves managing compensation structures and benefits that attract top-tier talent in the competitive banking sector. MacEachern monitors internal engagement levels to maintain a cohesive and motivated team across all regional offices. Through the strategic management of human capital, the Chief Human Resources Officer supports the growth and stability of the firm, ensuring that the workforce remains the primary driver of the unique service experience.

    Johnny Ensminger - Chief Information Officer, Sevp

    Johnny Ensminger, the Chief Information Officer, Sevp at Stellar Bank, directs the technological infrastructure and digital transformation efforts of the institution. Ensminger architects secure and scalable systems that support the delivery of responsive banking services. The Chief Information Officer, Sevp oversees the integration of advanced financial technology to enhance the customer experience and streamline internal processes. By prioritizing cybersecurity and data integrity, Johnny Ensminger protects the assets and information of the bank and its clients. This leadership role involves collaborating with other executives to ensure that digital tools align with the overall business strategy. Ensminger evaluates emerging technologies to maintain a competitive edge in the digital banking space. Through the management of complex IT projects, the Chief Information Officer, Sevp drives operational efficiency and innovation. Ultimately, Ensminger ensures that the technological foundation of the bank remains robust, reliable, and capable of supporting the evolving needs of the community.

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    Frequently Asked Questions Regarding Stellar Bank Top Executives and Leadership Team

    Who leads Stellar Bank?
    Stellar Bank is led by Shawn Carson (Chief Executive Officer), along with executives such as Andrew Cook (President & Chief Executive Officer) and David Onderko (President & Chief Executive Officer).
    Who is part of Stellar Bank’s executive team?
    The executive team of Stellar Bank includes leaders such as Shawn Carson (Chief Executive Officer), Andrew Cook (President & Chief Executive Officer), David Onderko (President & Chief Executive Officer) 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 Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer, Senior Executive Vice President and Chief Operating Officer, Market President.