Eliassen Group Executive and Leadership Team

June, 2026

Leadership Overview

Eliassen Group has 10 executives leading key functions including strategy, operations, finance, and technology solutions.

Driven by a commitment to client transformation, Eliassen Group provides business and IT services designed to execute strategies that yield exceptional outcomes, solidifying its market leadership.

Leadership Roles at Eliassen Group

  • Chief Executive Officer - David MacKeen
  • Chief Financial Officer - Mark Hafeli
  • Chief Financial Officer & Partner - Delores Lenzy-Jones
  • Chief Financial Officer & General Counsel - James Polonczyk
  • Chief Operating Officer - David Viani
  • Chief Operating Officer & General Counsel - Todd Keebaugh
  • President - John Korsmo
  • President, Business Advisory Solutions - Kerry Barrett
  • President, Technology Solutions - Taz Stephens
  • Chief of Staff - Christine Luke
  • David MacKeen - Chief Executive Officer

    David MacKeen, the Chief Executive Officer at Eliassen Group, directs the overarching corporate strategy and operational execution. MacKeen guides the company's vision, ensuring alignment with market demands and client transformation objectives. This leadership role involves fostering innovation across all service lines, from business advisory to technology solutions. MacKeen oversees the integration of strategic initiatives, driving the company's mission to deliver exceptional outcomes for clients seeking to transform their operations. By championing a culture of excellence, David MacKeen ensures Eliassen Group maintains its position as a leading strategic consulting firm, impacting client success through expert guidance and service delivery.
    David MacKeen

    Mark Hafeli - Chief Financial Officer

    Mark Hafeli, the Chief Financial Officer at Eliassen Group, oversees all financial operations and strategic fiscal planning. Hafeli manages budgeting, forecasting, and financial reporting, ensuring the company's fiscal health and supporting its growth objectives. This position involves developing financial strategies that align with the firm's mission to provide transformative business and IT services. Mark Hafeli works to optimize resource allocation and drive profitability, enabling Eliassen Group to invest in innovation and client solutions. By maintaining robust financial controls and providing critical insights, Hafeli directly supports the execution of strategies that deliver exceptional outcomes for clients.

    Delores Lenzy-Jones - Chief Financial Officer & Partner

    Delores Lenzy-Jones, the Chief Financial Officer & Partner at Eliassen Group, manages financial strategy and contributes to partnership development. Lenzy-Jones oversees financial planning and analysis, ensuring fiscal responsibility and supporting the company's strategic growth initiatives. This dual role involves driving financial performance while fostering collaborative relationships within the partnership structure. Delores Lenzy-Jones works to align financial objectives with the firm's mission of delivering transformative business and IT services. By providing expert financial guidance and contributing to strategic decision-making, Lenzy-Jones plays a key part in achieving exceptional client outcomes and reinforcing Eliassen Group's market position.
    Delores Lenzy-Jones

    James Polonczyk - Chief Financial Officer & General Counsel

    James Polonczyk, the Chief Financial Officer & General Counsel at Eliassen Group, directs financial strategy and oversees legal compliance. Polonczyk manages fiscal operations, including budgeting and financial reporting, while ensuring adherence to all regulatory requirements. This critical role integrates financial stewardship with legal oversight to support the company's mission of transformative client solutions. James Polonczyk works to optimize financial performance and mitigate legal risks, thereby enhancing the firm's capacity to deliver exceptional business and IT services. By providing comprehensive leadership in finance and law, Polonczyk strengthens Eliassen Group's operational integrity and strategic execution.

    David Viani - Chief Operating Officer

    David Viani, the Chief Operating Officer at Eliassen Group, directs operational efficiency and service delivery across the organization. Viani focuses on optimizing business processes and ensuring the seamless execution of client engagements, aligning operations with the company's strategic goals. This role involves managing day-to-day operations to support Eliassen Group's mission of providing transformative business and IT services. David Viani works to enhance operational scalability and service quality, directly impacting the firm's ability to achieve exceptional outcomes for its clients. By driving operational excellence, Viani ensures the effective implementation of strategies that solidify Eliassen Group's market leadership.
    David Viani

    Todd Keebaugh - Chief Operating Officer & General Counsel

    Todd Keebaugh, the Chief Operating Officer & General Counsel at Eliassen Group, oversees both operational execution and legal affairs. Keebaugh ensures that all business operations comply with legal standards while driving efficiency and service delivery. This comprehensive role involves managing risk and optimizing processes to support the company's strategic transformation objectives. Todd Keebaugh works to integrate legal considerations into operational strategies, safeguarding the company's interests and enhancing client trust. By providing dual expertise in operations and law, Keebaugh contributes significantly to Eliassen Group's ability to deliver exceptional business and IT services with integrity and effectiveness.

    John Korsmo - President

    John Korsmo, the President at Eliassen Group, leads key strategic initiatives and drives business development efforts. Korsmo focuses on expanding market reach and enhancing service offerings to meet evolving client needs. This leadership position involves fostering strong client relationships and ensuring the successful implementation of transformative strategies. John Korsmo works to align departmental objectives with the company's overall mission of delivering exceptional business and IT services. By championing growth and operational excellence, Korsmo plays a vital role in solidifying Eliassen Group's reputation as a premier consulting partner.
    John Korsmo

    Kerry Barrett - President, Business Advisory Solutions

    Kerry Barrett, the President, Business Advisory Solutions at Eliassen Group, spearheads the strategic consulting division. Barrett directs the development and delivery of advisory services, helping clients navigate complex business challenges and execute transformation initiatives. This role involves leading teams that provide expert guidance on strategy, operations, and organizational change. Kerry Barrett focuses on ensuring clients achieve exceptional outcomes through tailored advisory solutions. By driving innovation and client success within the advisory arm, Barrett significantly contributes to Eliassen Group's overall mission and market impact.
    Kerry Barrett

    Taz Stephens - President, Technology Solutions

    Taz Stephens, the President, Technology Solutions at Eliassen Group, leads the technology services division. Stephens oversees the strategy and execution of IT consulting, digital transformation, and technology implementation services for clients. This position involves driving innovation in technology offerings and ensuring the delivery of cutting-edge solutions. Taz Stephens focuses on empowering clients to leverage technology for exceptional business outcomes. By guiding the technology solutions team, Stephens plays a crucial role in fulfilling Eliassen Group's commitment to providing comprehensive business and IT services that drive client success and competitive advantage.

    Christine Luke - Chief of Staff

    Christine Luke, the Chief of Staff at Eliassen Group, manages critical operational initiatives and supports executive decision-making. Luke ensures seamless execution of strategic priorities across departments, facilitating communication and coordination among leadership. This role involves optimizing internal processes and driving efficiency to support the company's client-focused transformation efforts. Christine Luke works closely with the Chief Executive Officer to implement key projects and enhance organizational effectiveness. By streamlining operations and fostering cross-functional collaboration, Luke contributes directly to Eliassen Group's ability to deliver exceptional business and IT services, reinforcing the firm's commitment to client success.

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    Frequently Asked Questions Regarding Eliassen Group Top Executives and Leadership Team

    Who leads Eliassen Group?
    Eliassen Group is led by David MacKeen (Chief Executive Officer), along with executives such as Mark Hafeli (Chief Financial Officer) and Delores Lenzy-Jones (Chief Financial Officer & Partner).
    Who is part of Eliassen Group’s executive team?
    The executive team of Eliassen Group includes leaders such as David MacKeen (Chief Executive Officer), Mark Hafeli (Chief Financial Officer), Delores Lenzy-Jones (Chief Financial Officer & Partner) and other senior executives.
    How many executives does Eliassen Group have?
    Eliassen Group has 10 executives leading key business areas.
    What roles are included in Eliassen Group’s leadership team?
    The leadership team of Eliassen Group includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Partner, Chief Financial Officer & General Counsel, Chief Operating Officer.