Jack Henry Executive and Leadership Team

October, 2026

Leadership Overview

Jack Henry has 10 executives leading key functions including strategy, financial oversight, technology development, and market expansion.

Committed to empowering financial institutions through modern technology, Jack Henry delivers integrated platforms that streamline banking operations and enhance customer experiences across the American financial services landscape.

Leadership Roles at Jack Henry

  • President & Chief Executive Officer - Gregory Adelson
  • Chief Financial Officer - Mimi Carsley
  • Chief Financial Officer & Treasurer - Maria Colvin
  • PRISM President - Terrell Shewmake
  • President, Credit Union Solutions - Brynn Ammon
  • Vice President & Chief Technology Officer - Ben Metz
  • Manager, Sales Engineering & Chief Technology Officer, Sales Engineering - Meg Bannister
  • Chief People Officer - Ruth Tilley
  • Managing Director - Mark Kobernik
  • Chief Sales & Marketing Officer - Brian Otte
  • Gregory Adelson - President & Chief Executive Officer

    Gregory Adelson, the President & Chief Executive Officer at Jack Henry, directs the overarching corporate strategy and long-term vision for the organization. Adelson oversees the alignment of core banking systems and digital payment solutions with the evolving needs of community banks and credit unions. By fostering a culture of people-centric innovation, the President & Chief Executive Officer ensures that the company maintains a competitive edge in the financial technology sector. Adelson manages high-level relationships with institutional partners and drives the expansion of integrated platforms across North American markets. Through rigorous oversight of operational efficiency and market positioning, Gregory Adelson secures the company's status as a trusted partner for financial institutions. This leadership role involves constant evaluation of industry trends to maintain technological relevance and sustainable growth for the entire enterprise.
    Gregory Adelson

    Mimi Carsley - Chief Financial Officer

    Mimi Carsley, the Chief Financial Officer at Jack Henry, manages the financial health and fiscal strategy of the organization. Carsley oversees capital allocation, financial reporting, and long-term investment planning to support the development of core banking and payment processing platforms. By analyzing market data and operational performance, the Chief Financial Officer ensures that resources align with the company's strategic goals for innovation and growth. Carsley collaborates with the executive team to maintain fiscal discipline while funding the expansion of digital banking solutions. This leadership role involves managing investor relations and ensuring transparency in all financial disclosures. Mimi Carsley drives the financial stability necessary for the company to continue providing high-quality services to community banks and credit unions, ultimately securing the long-term viability of the business model in a competitive financial technology landscape.
    Mimi Carsley

    Maria Colvin - Chief Financial Officer & Treasurer

    Maria Colvin, the Chief Financial Officer & Treasurer at Jack Henry, manages the treasury operations, liquidity, and capital structure of the firm. Colvin oversees cash management, risk mitigation, and financial planning to ensure the company maintains the resources required for ongoing innovation in financial technology. By directing treasury functions, the Chief Financial Officer & Treasurer supports the company's ability to invest in core banking systems and payment processing services. Colvin works closely with the finance department to monitor economic trends and adjust fiscal strategies accordingly. This leadership role involves maintaining strong relationships with financial institutions and ensuring the integrity of the company's balance sheet. Maria Colvin drives the financial foundation that allows the organization to deliver consistent value to clients, ensuring that the company remains a stable and trusted partner within the financial services sector.
    Maria Colvin

    Terrell Shewmake - PRISM President

    Terrell Shewmake, the PRISM President at Jack Henry, directs the operations and strategic growth of the PRISM business unit. Shewmake oversees the development and delivery of specialized solutions that support the company's broader mission of providing integrated banking technology. By managing the PRISM team, the PRISM President ensures that clients receive high-quality service and support for their digital banking and risk management needs. Shewmake collaborates with other business leaders to align the unit's objectives with the company's overall market strategy. This role involves identifying new opportunities for service expansion and improving the efficiency of existing platforms. Terrell Shewmake drives the success of the PRISM division, ensuring that it contributes to the company's reputation as a trusted partner for financial institutions seeking to modernize their operations and enhance customer experiences.

    Brynn Ammon - President, Credit Union Solutions

    Brynn Ammon, the President, Credit Union Solutions at Jack Henry, directs the strategy and operational delivery for the credit union segment. Ammon oversees the implementation of core banking systems and digital solutions specifically designed for credit unions. By focusing on the unique needs of these institutions, the President, Credit Union Solutions ensures that the company provides technology that improves operational efficiency and member experiences. Ammon manages the team responsible for supporting credit union clients and driving the adoption of integrated platforms. This leadership role involves coordinating with product development to ensure that solutions remain relevant to the credit union market. Brynn Ammon drives the growth and success of the credit union business unit, ensuring that the company continues to serve as a vital partner for these institutions across the country.

    Ben Metz - Vice President & Chief Technology Officer

    Ben Metz, the Vice President & Chief Technology Officer at Jack Henry, architects the technological roadmap and innovation strategy for the company's suite of banking systems. Metz oversees the development of integrated platforms and digital solutions that empower financial institutions to adapt to modern market demands. By leading engineering teams, the Vice President & Chief Technology Officer ensures the delivery of secure, scalable, and efficient technology that streamlines banking operations. Metz collaborates with other C-suite leaders to integrate emerging technologies into the existing service portfolio, enhancing the overall value proposition for clients. This role involves managing the technical infrastructure and driving research into new digital banking capabilities. Ben Metz maintains a focus on technological excellence, ensuring that the company remains at the forefront of financial technology innovation while supporting the operational needs of community banks and credit unions.

    Meg Bannister - Manager, Sales Engineering & Chief Technology Officer, Sales Engineering

    Meg Bannister, the Manager, Sales Engineering & Chief Technology Officer, Sales Engineering at Jack Henry, directs the technical integration of sales processes for the company's banking platforms. Bannister oversees the translation of complex client requirements into actionable technical solutions, ensuring that community banks and credit unions receive tailored digital banking tools. By bridging the gap between sales and engineering, the Manager, Sales Engineering & Chief Technology Officer, Sales Engineering optimizes the deployment of payment processing and core systems. Bannister manages the technical sales team to demonstrate the value of integrated platforms to prospective clients. This role involves refining the technical sales strategy to improve conversion rates and client satisfaction. Meg Bannister drives the adoption of modern technology by providing the necessary technical expertise during the sales cycle, ensuring that the company's solutions meet the specific operational needs of financial institutions.

    Ruth Tilley - Chief People Officer

    Ruth Tilley, the Chief People Officer at Jack Henry, directs the human capital strategy and organizational development initiatives. Tilley oversees talent acquisition, employee engagement, and leadership development to ensure the company maintains a workforce capable of driving innovation in financial technology. By fostering a culture of collaboration and service, the Chief People Officer supports the company's mission to provide high-quality banking systems and digital solutions. Tilley manages programs that align employee performance with the company's strategic objectives and core values. This leadership role involves creating an environment that attracts and retains top talent in the competitive technology sector. Ruth Tilley drives the organizational health necessary for the company to continue delivering exceptional service to community banks and credit unions, ensuring that the human element remains central to the company's success.
    Ruth Tilley

    Mark Kobernik - Managing Director

    Mark Kobernik, the Managing Director at Jack Henry, oversees specific business units focused on delivering specialized financial technology services to diverse institutional clients. Kobernik directs the operational execution of core banking systems and ensures that service delivery meets the high standards required by community banks. By managing cross-functional teams, the Managing Director optimizes the deployment of digital solutions and payment processing tools. Kobernik coordinates with other executive leaders to align regional market initiatives with the broader corporate mission of operational excellence. This role involves identifying opportunities for process improvement and enhancing the overall client experience through modern, scalable technology. Mark Kobernik maintains a focus on driving revenue growth and operational efficiency within the assigned business segments, ensuring that the company remains a reliable partner for financial institutions seeking to modernize their infrastructure.

    Brian Otte - Chief Sales & Marketing Officer

    Brian Otte, the Chief Sales & Marketing Officer at Jack Henry, directs the go-to-market strategy and brand positioning for the company's financial technology services. Otte oversees the sales pipeline, marketing campaigns, and client acquisition efforts across the North American market. By analyzing market trends and client feedback, the Chief Sales & Marketing Officer ensures that the company's core banking and payment processing solutions reach the appropriate financial institutions. Otte collaborates with the product and technology teams to communicate the value of integrated platforms effectively. This leadership role involves managing the sales force and driving revenue growth through strategic partnerships. Brian Otte maintains a focus on expanding the company's market presence, ensuring that community banks and credit unions understand the benefits of the company's modern, people-centric technology solutions.

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    Frequently Asked Questions Regarding Jack Henry Top Executives and Leadership Team

    Who leads Jack Henry?
    Jack Henry is led by Gregory Adelson (President & Chief Executive Officer), along with executives such as Mimi Carsley (Chief Financial Officer) and Maria Colvin (Chief Financial Officer & Treasurer).
    Who is part of Jack Henry’s executive team?
    The executive team of Jack Henry includes leaders such as Gregory Adelson (President & Chief Executive Officer), Mimi Carsley (Chief Financial Officer), Maria Colvin (Chief Financial Officer & Treasurer) and other senior executives.
    How many executives does Jack Henry have?
    Jack Henry has 10 executives leading key business areas.
    What roles are included in Jack Henry’s leadership team?
    The leadership team of Jack Henry includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Treasurer, PRISM President, President, Credit Union Solutions.