TBK Bank Executive and Leadership Team

July, 2026

Leadership Overview

TBK Bank has 7 executives leading key functions including strategy, operations, technology, and regional management.

Driven by a commitment to community banking, TBK Bank provides essential financial services, fostering economic growth through a comprehensive suite of banking solutions.

Leadership Roles at TBK Bank

  • Chairman, President & Chief Executive Officer - Clinton Arnoldus
  • President & Chief Executive Officer - Donna Petrocco
  • Executive Vice President & Chief Financial Officer - W. Voss
  • Executive Vice President & Chief Operating Officer - Jamie Paterson
  • Regional President - Mark Dunsmoor
  • President (Colorado Springs) - Nancy Schirm
  • Senior Vice President, Chief Technology Officer - Johnny Shields
  • Clinton Arnoldus - Chairman, President & Chief Executive Officer

    Clinton Arnoldus, the Chairman, President & Chief Executive Officer at TBK Bank, directs the overarching corporate strategy and operational execution. Arnoldus guides the institution's expansion and market positioning, ensuring alignment with the bank's mission of providing comprehensive financial services. This leadership role involves setting the strategic vision for all departments, from retail banking operations to technological advancements. Arnoldus oversees the development and implementation of key initiatives that drive revenue growth and enhance customer engagement across all service areas, including base checking, loans, and savings products. The Chairman, President & Chief Executive Officer ensures the bank's financial health and regulatory compliance, maintaining strong relationships with stakeholders and the board. Clinton Arnoldus's strategic direction solidifies TBK Bank's presence in the financial sector.

    Donna Petrocco - President & Chief Executive Officer

    Donna Petrocco, the President & Chief Executive Officer at TBK Bank, spearheads the bank's strategic direction and operational oversight. Petrocco drives the execution of the bank's mission, focusing on delivering essential financial services like checking accounts, loans, and savings products. This executive position involves managing all facets of the bank's business, ensuring robust performance and sustained growth. Petrocco works closely with department heads to implement innovative strategies that enhance customer experience and expand market reach. The President & Chief Executive Officer is responsible for fostering a culture of excellence and compliance, upholding the bank's commitment to its clients and the community. Donna Petrocco's leadership ensures TBK Bank maintains its competitive edge and financial stability.

    W. Voss - Executive Vice President & Chief Financial Officer

    W. Voss, the Executive Vice President & Chief Financial Officer at TBK Bank, directs all financial planning, reporting, and fiscal management. Voss oversees the bank's capital allocation, investment strategies, and risk management protocols, ensuring robust financial health and compliance with regulatory standards. This leadership position involves managing the bank's assets and liabilities, optimizing profitability, and securing funding for growth initiatives. The Executive Vice President & Chief Financial Officer works to maintain strong investor relations and provides critical financial insights to support strategic decision-making across all departments. W. Voss's financial acumen is essential for TBK Bank's sustained economic performance and market stability.

    Jamie Paterson - Executive Vice President & Chief Operating Officer

    Jamie Paterson, the Executive Vice President & Chief Operating Officer at TBK Bank, manages the day-to-day operational efficiency and service delivery. Paterson oversees the bank's core banking functions, including the administration of checking accounts, loan processing, and savings management, ensuring seamless customer interactions. This critical role involves optimizing internal processes and workflows to support the bank's strategic objectives and enhance operational scalability. The Executive Vice President & Chief Operating Officer collaborates with technology and finance departments to implement systems that improve service quality and reduce operational costs. Jamie Paterson's focus on operational excellence drives the bank's ability to meet client needs effectively and maintain high standards of service across all regions.

    Mark Dunsmoor - Regional President

    Mark Dunsmoor, the Regional President at TBK Bank, leads banking operations and market development within a specific geographic territory. Dunsmoor drives business growth by overseeing sales, customer service, and branch operations, ensuring the delivery of comprehensive banking services tailored to regional needs. This executive role involves cultivating strong relationships with local businesses and community leaders to expand the bank's presence and client base. The Regional President works to implement strategic initiatives that enhance market share and customer loyalty within the assigned area. Mark Dunsmoor's leadership ensures TBK Bank effectively serves its customers and contributes to the economic vitality of the regions it operates within.

    Nancy Schirm - President (Colorado Springs)

    Nancy Schirm, the President (Colorado Springs) at TBK Bank, directs all banking operations and strategic initiatives within the Colorado Springs market. Schirm focuses on expanding the bank's service offerings, including base checking, loans, and savings products, to meet the specific financial needs of the local community and businesses. This leadership position involves managing branch performance, fostering client relationships, and driving revenue growth throughout the region. The President (Colorado Springs) collaborates with regional teams to ensure consistent service delivery and adherence to TBK Bank's core values. Nancy Schirm's dedicated oversight strengthens TBK Bank's position and impact within the Colorado Springs economic landscape.

    Johnny Shields - Senior Vice President, Chief Technology Officer

    Johnny Shields, the Senior Vice President, Chief Technology Officer at TBK Bank, architects and executes the bank's technology strategy. Shields oversees the development and maintenance of all IT infrastructure, digital platforms, and cybersecurity measures, ensuring secure and efficient banking operations. This role is pivotal in driving technological innovation to enhance customer experience and streamline internal processes for services like checking, loans, and savings. The Senior Vice President, Chief Technology Officer collaborates with business units to identify and implement cutting-edge solutions that support TBK Bank's growth objectives and competitive positioning. Johnny Shields's leadership ensures the bank remains at the forefront of technological advancements in the financial services industry.

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    Frequently Asked Questions Regarding TBK Bank Top Executives and Leadership Team

    Who leads TBK Bank?
    TBK Bank is led by Clinton Arnoldus (Chairman, President & Chief Executive Officer), along with executives such as Donna Petrocco (President & Chief Executive Officer) and W. Voss (Executive Vice President & Chief Financial Officer).
    Who is part of TBK Bank’s executive team?
    The executive team of TBK Bank includes leaders such as Clinton Arnoldus (Chairman, President & Chief Executive Officer), Donna Petrocco (President & Chief Executive Officer), W. Voss (Executive Vice President & Chief Financial Officer) and other senior executives.
    How many executives does TBK Bank have?
    TBK Bank has 7 executives leading key business areas.
    What roles are included in TBK Bank’s leadership team?
    The leadership team of TBK Bank includes roles such as Chairman, President & Chief Executive Officer, President & Chief Executive Officer, Executive Vice President & Chief Financial Officer, Executive Vice President & Chief Operating Officer, Regional President.