Columbia Association Executive and Leadership Team

August, 2026

Leadership Overview

Columbia Association has 7 executives leading key functions including strategic oversight, operational management, financial planning, and administrative support.

Dedicated to fostering a vibrant community, Columbia Association maintains extensive recreational assets and open spaces while upholding the founding vision of a diverse, sustainable, and growth-oriented environment for all residents.

Leadership Roles at Columbia Association

  • Interim President & Chief Executive Officer - Dennis Mattey
  • President & Chief Executive Officer - Phillip Nelson
  • President & Chief Executive Officer - Shawn MacInnes
  • Executive Assistant To the President and Chief Executive Officer - Janet Loughran
  • Chief Financial Officer - Susan Krabbe
  • Senior VP, Administration & Chief Financial Officer - Shon McCollum
  • Chief Operating Officer - Rob Goldman
  • Dennis Mattey - Interim President & Chief Executive Officer

    Dennis Mattey, the Interim President & Chief Executive Officer at Columbia Association, directs the immediate strategic trajectory of the organization. Managing the transition of leadership, the Interim President & Chief Executive Officer ensures continuity across all recreational and community service departments. This role involves close collaboration with the Board to maintain the integrity of the 3,600 acres of open space managed by the association. By stabilizing internal operations, Dennis Mattey supports the ongoing delivery of high-quality childcare and athletic facilities. The Interim President & Chief Executive Officer prioritizes the alignment of current service offerings with the long-term vision of the community. Through rigorous oversight of organizational health, the Interim President & Chief Executive Officer secures the operational foundation necessary for future growth. Mattey maintains a focus on fiscal responsibility while navigating the complexities of regional community management, ensuring that the association remains a cornerstone of local life.

    Phillip Nelson - President & Chief Executive Officer

    Phillip Nelson, the President & Chief Executive Officer at Columbia Association, architects the overarching mission to sustain a diverse and thriving community. Overseeing the integration of cultural services and recreational amenities, the President & Chief Executive Officer drives initiatives that enhance the quality of life for residents. This leadership position involves managing the complex network of parks, lakes, and pathways that define the local landscape. By championing the vision of the founding father, Phillip Nelson ensures that every community program reflects the core values of inclusivity and environmental stewardship. The President & Chief Executive Officer coordinates with department heads to optimize the delivery of educational and recreational services across the region. Nelson fosters partnerships that expand the reach of community programs, ensuring that the association remains a vital asset. Through strategic planning, the President & Chief Executive Officer secures the long-term viability of the organization as a premier community service provider.

    Shawn MacInnes - President & Chief Executive Officer

    Shawn MacInnes, the President & Chief Executive Officer at Columbia Association, executes the expansion of community-focused infrastructure and service delivery models. Focusing on the modernization of recreational facilities, the President & Chief Executive Officer drives the development of new pathways and athletic courts to meet evolving resident needs. This role requires balancing the maintenance of 3,600 acres of open space with the demand for high-quality, accessible community programming. By analyzing market trends, Shawn MacInnes identifies opportunities to enhance the town center experience and surrounding amenities. The President & Chief Executive Officer collaborates with the Board to refine the strategic roadmap, ensuring that all operational outputs align with the association's mission. Through effective resource allocation, the President & Chief Executive Officer strengthens the financial and social impact of the organization. MacInnes maintains a commitment to excellence, ensuring that the community remains a model for sustainable, resident-centered urban planning.

    Janet Loughran - Executive Assistant To the President and Chief Executive Officer

    Janet Loughran, the Executive Assistant To the President and Chief Executive Officer at Columbia Association, facilitates the strategic communication and administrative flow between the executive office and the broader organization. Coordinating the scheduling and documentation for high-level meetings, the Executive Assistant To the President and Chief Executive Officer ensures that leadership remains focused on core mission objectives. This role involves managing the flow of information regarding the maintenance of community assets and the delivery of recreational services. By streamlining administrative processes, Janet Loughran supports the efficiency of the executive team in their efforts to uphold the founding vision. The Executive Assistant To the President and Chief Executive Officer acts as a primary point of contact for internal and external stakeholders, ensuring that organizational priorities are clearly communicated. Loughran maintains the operational rhythm of the office, allowing the leadership to dedicate time to the strategic growth and sustainability of the community.

    Susan Krabbe - Chief Financial Officer

    Susan Krabbe, the Chief Financial Officer at Columbia Association, architects the financial strategy required to sustain the organization's extensive service portfolio. Overseeing the budgeting and fiscal planning for all recreational and community programs, the Chief Financial Officer ensures the long-term economic health of the association. This role involves managing the capital investments necessary to maintain 3,600 acres of open space and various neighborhood amenities. By implementing rigorous financial controls, Susan Krabbe supports the delivery of high-quality services while maintaining fiscal transparency. The Chief Financial Officer collaborates with the executive team to align financial resources with the strategic goals of the organization. Through careful analysis of revenue streams and operational costs, the Chief Financial Officer secures the funding needed for future community projects. Krabbe provides the financial oversight essential for the association to continue its mission, ensuring that every dollar invested contributes to the growth and well-being of the community.

    Shon McCollum - Senior VP, Administration & Chief Financial Officer

    Shon McCollum, the Senior VP, Administration & Chief Financial Officer at Columbia Association, directs the administrative infrastructure and financial reporting systems that support the organization's mission. Overseeing the integration of human resources, procurement, and financial accounting, the Senior VP, Administration & Chief Financial Officer ensures that all internal functions operate with maximum efficiency. This role involves managing the fiscal health of the association while simultaneously optimizing administrative workflows to support the delivery of community services. By implementing robust financial reporting, Shon McCollum provides the transparency necessary for effective governance. The Senior VP, Administration & Chief Financial Officer collaborates with the executive team to align administrative policies with the long-term goals of the organization. Through strategic oversight of the association's financial and administrative assets, the Senior VP, Administration & Chief Financial Officer secures the resources required to maintain the community's parks, pathways, and recreational facilities for future generations.

    Rob Goldman - Chief Operating Officer

    Rob Goldman, the Chief Operating Officer at Columbia Association, directs the daily execution of all recreational, cultural, and community service operations. Managing the vast network of parks, tot lots, and athletic facilities, the Chief Operating Officer ensures that every asset remains in peak condition for public use. This role involves streamlining internal processes to improve the efficiency of childcare and educational service delivery. By overseeing the maintenance of 95 miles of pathways, Rob Goldman guarantees a seamless experience for residents engaging in outdoor activities. The Chief Operating Officer coordinates with facility managers to uphold safety standards and operational excellence across all properties. Through data-driven management, the Chief Operating Officer optimizes the utilization of community resources, directly supporting the association's mission. Goldman implements strategic improvements to service workflows, ensuring that the organization meets the high expectations of the community while maintaining the integrity of the land.

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    Frequently Asked Questions Regarding Columbia Association Top Executives and Leadership Team

    Who leads Columbia Association?
    Columbia Association is led by Dennis Mattey (Interim President & Chief Executive Officer), along with executives such as Phillip Nelson (President & Chief Executive Officer) and Shawn MacInnes (President & Chief Executive Officer).
    Who is part of Columbia Association’s executive team?
    The executive team of Columbia Association includes leaders such as Dennis Mattey (Interim President & Chief Executive Officer), Phillip Nelson (President & Chief Executive Officer), Shawn MacInnes (President & Chief Executive Officer) and other senior executives.
    How many executives does Columbia Association have?
    Columbia Association has 7 executives leading key business areas.
    What roles are included in Columbia Association’s leadership team?
    The leadership team of Columbia Association includes roles such as Interim President & Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer, Executive Assistant To the President and Chief Executive Officer, Chief Financial Officer.