Columbia Association Executive and Leadership Team

September, 2026

Leadership Overview

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

Dedicated to fostering community growth and environmental stewardship, Columbia Association maintains a vision of inclusive, sustainable living through the management of extensive recreational facilities, open spaces, and essential community services for all residents.

Leadership Roles at Columbia Association

  • Interim President & Chief Executive Officer - Dennis Mattey
  • President & Chief Executive Officer - Shawn MacInnes
  • President & Chief Executive Officer - Phillip Nelson
  • 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. Mattey manages the transition of leadership while ensuring the continuity of essential community services and recreational programs. By overseeing the alignment of departmental goals with the long-term vision of the association, the Interim President & Chief Executive Officer maintains stability across all operational sectors. This role involves frequent collaboration with the board to address pressing community needs and fiscal requirements. Dennis Mattey monitors the performance of various recreational assets, including lakes and pathways, to ensure high standards for residents. Through rigorous oversight of organizational health, the Interim President & Chief Executive Officer secures the foundation for future growth. By prioritizing the needs of the community, Mattey upholds the core mission of the association while navigating complex administrative challenges during this critical period of leadership transition.

    Shawn MacInnes - President & Chief Executive Officer

    Shawn MacInnes, the President & Chief Executive Officer at Columbia Association, architects the overarching strategic vision for the organization. MacInnes drives the expansion of community services and the preservation of nearly 3,600 acres of open space. By leading the executive team, the President & Chief Executive Officer ensures that recreational, cultural, and community initiatives remain aligned with the founding principles of the association. This role involves engaging with stakeholders to enhance the quality of life for residents through innovative programming and infrastructure development. Shawn MacInnes evaluates the efficacy of current service models to optimize resource allocation across the town center and neighborhood amenities. Through proactive leadership, the President & Chief Executive Officer fosters a culture of inclusivity and environmental respect. MacInnes secures the long-term viability of the association by balancing fiscal responsibility with the delivery of high-quality, accessible services that define the unique character of the community.

    Phillip Nelson - President & Chief Executive Officer

    Phillip Nelson, the President & Chief Executive Officer at Columbia Association, focuses on the modernization of community infrastructure and the enhancement of resident engagement programs. Nelson directs the implementation of sustainable practices across all 95 miles of pathways and recreational facilities. By coordinating with department heads, the President & Chief Executive Officer ensures that the diverse needs of the population receive adequate attention through efficient service delivery. This leadership role involves analyzing market trends to adapt recreational offerings to changing demographics. Phillip Nelson champions the integration of technology into community management to improve accessibility and operational transparency. Through strategic partnerships, the President & Chief Executive Officer expands the reach of cultural and educational initiatives. Nelson drives the organization toward a future where community assets serve as a catalyst for individual growth and social cohesion, maintaining the high standards expected by the residents of the region.

    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 effective communication and coordination of the executive office. Loughran manages the complex scheduling and administrative requirements that support the strategic initiatives of the leadership team. By acting as a primary point of contact for internal and external stakeholders, the Executive Assistant To the President and Chief Executive Officer ensures that critical information flows efficiently across the organization. This role involves preparing documentation and reports that inform the decision-making processes of the President and the board. Janet Loughran organizes high-level meetings and community events to foster collaboration and alignment with the mission of the association. Through meticulous attention to detail, the Executive Assistant To the President and Chief Executive Officer maintains the operational rhythm of the executive suite. Loughran supports the overall productivity of the leadership team, enabling a focus on long-term community goals.

    Susan Krabbe - Chief Financial Officer

    Susan Krabbe, the Chief Financial Officer at Columbia Association, manages the fiscal health and long-term financial planning of the organization. Krabbe oversees the budgeting process for all recreational, cultural, and community services to ensure optimal resource utilization. By implementing rigorous financial controls, the Chief Financial Officer protects the assets of the association, including the extensive open spaces and neighborhood amenities. This role involves providing the executive team with data-driven insights to support strategic decision-making regarding capital investments and operational expenditures. Susan Krabbe monitors revenue streams from various services to maintain the financial stability required to uphold the vision of the association. Through careful analysis of economic indicators, the Chief Financial Officer mitigates risks and identifies opportunities for growth. Krabbe ensures that all financial operations remain transparent and compliant, ultimately supporting the mission to provide high-quality services that enhance the daily lives of the community members.

    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 strategy of the organization. McCollum oversees the integration of human resources, information technology, and financial reporting to ensure cohesive operational support. By managing the allocation of funds for administrative functions, the Senior VP, Administration & Chief Financial Officer optimizes the internal processes that sustain community services. This role involves developing policies that promote organizational efficiency and compliance with regulatory standards. Shon McCollum analyzes financial performance metrics to guide the executive team in making informed decisions about the future of the association. Through the oversight of administrative systems, the Senior VP, Administration & Chief Financial Officer ensures that the organization remains agile and responsive to the needs of the community. McCollum drives the implementation of strategic initiatives that strengthen the financial foundation and operational capacity of the association.

    Rob Goldman - Chief Operating Officer

    Rob Goldman, the Chief Operating Officer at Columbia Association, executes the daily management of the vast array of recreational and community services. Goldman oversees the maintenance of lakes, parks, and pathways, ensuring that these assets remain safe and accessible for all residents. By streamlining operational workflows, the Chief Operating Officer improves the efficiency of childcare services and recreational programming. This role involves coordinating cross-departmental efforts to deliver high-quality experiences across the town center and neighborhood facilities. Rob Goldman monitors the performance of operational teams to ensure alignment with the strategic goals set by the executive leadership. Through the implementation of best practices in facility management, the Chief Operating Officer enhances the overall quality of the community environment. Goldman drives the continuous improvement of service delivery, ensuring that the association remains a vibrant and welcoming place for individuals to live, work, and recreate.

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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 Shawn MacInnes (President & Chief Executive Officer) and Phillip Nelson (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), Shawn MacInnes (President & Chief Executive Officer), Phillip Nelson (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.