Eliassen Group Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to client success, Eliassen Group provides business and IT services to help organizations transform and execute strategies for exceptional outcomes.

Leadership Roles at Eliassen Group

  • Chief Executive Officer - David MacKeen
  • Chief Financial Officer - Marc Cirrone
  • Chief Financial Officer & General Counsel - James Polonczyk
  • Chief Financial Officer & Partner - Delores Lenzy-Jones
  • Chief Financial Officer, Consulting - Jill Mattingly
  • Chief Operating Officer - David Viani
  • Chief Operating Officer & General Counsel - Todd Keebaugh
  • President, Technology Solutions - Taz Stephens
  • Chief of Staff - Christine Luke
  • Executive Vice President & Chief Information Officer - Robert Waddell
  • David MacKeen - Chief Executive Officer

    David MacKeen, the Chief Executive Officer at Eliassen Group, directs the overall strategic vision and operational execution for the company. MacKeen guides the organization's growth initiatives, ensuring alignment with market demands and client needs. This leadership role involves fostering a culture of innovation and client-centricity across all service lines. MacKeen oversees the executive team, driving performance and accountability to achieve Eliassen Group's mission of delivering exceptional outcomes through business and IT transformation. The Chief Executive Officer's purview extends to market positioning and long-term business development, solidifying the company's standing as a leading strategic consulting firm. By championing strategic partnerships and client relationships, David MacKeen ensures the company's continued success and expansion in the consulting landscape.
    David MacKeen

    Marc Cirrone - Chief Financial Officer

    Marc Cirrone, the Chief Financial Officer at Eliassen Group, manages the company's financial health and strategic fiscal planning. Cirrone oversees all financial operations, including budgeting, forecasting, and financial reporting, ensuring robust fiscal management. This critical role involves optimizing financial performance and resource allocation to support Eliassen Group's growth objectives. Cirrone works closely with other executives to develop financial strategies that align with the company's transformation and execution goals. The Chief Financial Officer's responsibilities include managing investor relations and ensuring compliance with financial regulations. By maintaining financial discipline and identifying opportunities for fiscal improvement, Marc Cirrone directly contributes to the company's ability to deliver exceptional outcomes for its clients.

    James Polonczyk - Chief Financial Officer & General Counsel

    James Polonczyk, the Chief Financial Officer & General Counsel at Eliassen Group, holds dual responsibility for financial management and legal affairs. Polonczyk oversees the company's financial operations, ensuring fiscal integrity and strategic resource allocation, while also managing all legal aspects of the business. This comprehensive role involves providing legal counsel and ensuring compliance with all relevant regulations. James Polonczyk works to mitigate legal risks and optimize financial performance to support Eliassen Group's strategic goals. The Chief Financial Officer & General Counsel's expertise ensures both financial stability and legal soundness. By integrating financial acumen with legal oversight, James Polonczyk safeguards the company's interests and facilitates its mission of delivering exceptional outcomes.

    Delores Lenzy-Jones - Chief Financial Officer & Partner

    Delores Lenzy-Jones, the Chief Financial Officer & Partner at Eliassen Group, directs financial strategy and contributes to the firm's partnership initiatives. Lenzy-Jones manages financial planning, analysis, and reporting, ensuring the company's fiscal health and supporting strategic growth. This role involves collaborating with partners to drive business development and operational efficiency. Delores Lenzy-Jones focuses on financial stewardship and resource optimization to achieve Eliassen Group's objectives. The Chief Financial Officer & Partner's responsibilities extend to contributing to the firm's overall strategic direction and ensuring financial alignment with partnership goals. By providing expert financial leadership, Delores Lenzy-Jones enhances the company's capacity to deliver exceptional outcomes.
    Delores Lenzy-Jones

    Jill Mattingly - Chief Financial Officer, Consulting

    Jill Mattingly, the Chief Financial Officer, Consulting at Eliassen Group, leads financial operations specifically for the consulting division. Mattingly manages budgeting, forecasting, and financial analysis to support the strategic objectives and profitability of the consulting services. This specialized role involves ensuring financial discipline and optimizing resource allocation within the consulting practice. Jill Mattingly collaborates with consulting leadership to drive financial performance and identify growth opportunities. The Chief Financial Officer, Consulting's focus is on providing accurate financial insights and strategic guidance to enhance client engagement and project success. By delivering expert financial oversight, Jill Mattingly contributes to Eliassen Group's commitment to exceptional outcomes in consulting.

    David Viani - Chief Operating Officer

    David Viani, the Chief Operating Officer at Eliassen Group, directs the company's day-to-day operational activities and service delivery. Viani focuses on enhancing operational efficiency and effectiveness across all business units, ensuring seamless execution of client strategies. This leadership position involves optimizing processes and resource management to support Eliassen Group's transformation initiatives. Viani collaborates with department heads to implement best practices and drive operational excellence. The Chief Operating Officer's scope includes overseeing project management and ensuring the quality of services delivered to clients. By streamlining operations and fostering a culture of continuous improvement, David Viani plays a pivotal role in the company's ability to achieve exceptional client outcomes.
    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 the company's legal framework. Keebaugh directs daily operations, focusing on efficiency and service delivery, while also managing legal compliance and risk mitigation. This dual role ensures that operational strategies are legally sound and effectively implemented. Todd Keebaugh collaborates with executive leadership to align operational goals with the company's broader business and IT transformation objectives. The Chief Operating Officer & General Counsel's purview includes optimizing business processes and safeguarding the company's legal interests. By integrating operational expertise with legal acumen, Todd Keebaugh supports Eliassen Group's mission of delivering exceptional outcomes.

    Taz Stephens - President, Technology Solutions

    Taz Stephens, the President, Technology Solutions at Eliassen Group, leads the strategic direction and operational management of the company's technology solutions division. Stephens oversees the development and delivery of innovative technology services, ensuring alignment with client needs and market trends. This executive role involves driving growth and fostering technological advancements within the division. Taz Stephens collaborates with cross-functional teams to enhance service offerings and expand market reach. The President, Technology Solutions' focus includes managing key client relationships and spearheading initiatives that leverage technology for business transformation. By providing strong leadership in technology solutions, Taz Stephens supports Eliassen Group's mission of delivering exceptional outcomes.
    Taz Stephens

    Christine Luke - Chief of Staff

    Christine Luke, the Chief of Staff at Eliassen Group, provides strategic support and operational coordination for the executive leadership team. Luke facilitates communication and alignment across departments, ensuring key initiatives progress efficiently. This role involves managing special projects and driving strategic priorities to completion. Christine Luke works closely with the Chief Executive Officer to enhance organizational effectiveness and implement strategic plans. The Chief of Staff's responsibilities include streamlining decision-making processes and optimizing workflow for the executive suite. By ensuring seamless execution of strategic directives, Christine Luke contributes significantly to Eliassen Group's mission of driving exceptional outcomes for clients.

    Robert Waddell - Executive Vice President & Chief Information Officer

    Robert Waddell, the Executive Vice President & Chief Information Officer at Eliassen Group, leads the company's technology strategy and information systems. Waddell oversees the development and implementation of IT infrastructure, ensuring robust and secure technological capabilities to support business operations and client services. This executive role involves driving digital transformation initiatives and leveraging technology to enhance service delivery and operational efficiency. Robert Waddell collaborates with other leaders to align technology investments with strategic business objectives. The Chief Information Officer's focus includes managing data security, system integration, and innovation in technology solutions. By ensuring cutting-edge IT capabilities, Robert Waddell supports Eliassen Group's commitment to delivering exceptional outcomes.

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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 Marc Cirrone (Chief Financial Officer) and James Polonczyk (Chief Financial Officer & General Counsel).
    Who is part of Eliassen Group’s executive team?
    The executive team of Eliassen Group includes leaders such as David MacKeen (Chief Executive Officer), Marc Cirrone (Chief Financial Officer), James Polonczyk (Chief Financial Officer & General Counsel) 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 & General Counsel, Chief Financial Officer & Partner, Chief Financial Officer, Consulting.