Ontario General Contractors Association Executive and Leadership Team

September, 2026

Leadership Overview

Ontario General Contractors Association has 4 executives leading key functions including operational management, strategic advocacy, industry safety, and member relations.

Committed to advancing the institutional, commercial, and industrial construction sector, Ontario General Contractors Association drives excellence through rigorous safety standards, innovative technology adoption, and collaborative advocacy for all Ontario-based general contractors.

Leadership Roles at Ontario General Contractors Association

  • President & Chief Operating Officer - Jean St. Pierre
  • President - Justin Harper
  • President - Giovanni Cautillo
  • President - David Timlock
  • Jean St. Pierre - President & Chief Operating Officer

    Jean St. Pierre, the President & Chief Operating Officer at Ontario General Contractors Association, manages daily operational workflows and internal resource allocation. Overseeing the integration of construction technologies, the President & Chief Operating Officer ensures that member firms maintain high safety standards across all institutional, commercial, and industrial projects. This leadership role involves coordinating with regional stakeholders to streamline procurement processes and improve project delivery efficiency. By optimizing internal administrative systems, Jean St. Pierre directly impacts the operational capacity of the association. St. Pierre also facilitates cross-departmental communication to ensure that safety training programs align with current industry regulations. Through consistent oversight of operational metrics, the President & Chief Operating Officer supports the long-term growth of the membership base. Ultimately, St. Pierre secures the operational stability required for the association to provide high-value resources to contractors throughout the province.

    Justin Harper - President

    Justin Harper, the President at Ontario General Contractors Association, directs high-level advocacy efforts and government relations. Focusing on legislative influence, the President shapes policies that affect the institutional, commercial, and industrial construction landscape. This leadership role involves engaging with provincial policymakers to promote fair procurement practices and sustainable building standards. By representing the interests of general contractors, Justin Harper directly influences the regulatory environment in which members operate. Harper also collaborates with industry partners to foster innovation and address labor market challenges. Through strategic communication with the Board, the President ensures that the association remains a powerful voice for the construction sector. By championing safety initiatives and best practices, Harper strengthens the market position of the entire membership. Ultimately, the President drives the overarching mission of the association by securing favorable conditions for industrial growth and professional development across the region.

    Giovanni Cautillo - President

    Giovanni Cautillo, the President at Ontario General Contractors Association, leads the development of educational resources and professional training programs. Tasked with enhancing technical proficiency, the President oversees the creation of workshops that address emerging construction technologies and safety protocols. This leadership role involves building partnerships with educational institutions to bridge the skills gap within the institutional, commercial, and industrial sectors. By facilitating knowledge transfer, Giovanni Cautillo directly improves the competitive edge of member firms. Cautillo also manages the dissemination of industry research to ensure that contractors remain informed about evolving market trends. Through active engagement with the membership, the President identifies critical training needs and implements solutions that drive industry-wide improvement. By fostering a culture of continuous learning, Cautillo supports the professional advancement of the entire contractor community. Ultimately, the President ensures that the association remains the primary source for technical expertise and industry-leading best practices.

    David Timlock - President

    David Timlock, the President at Ontario General Contractors Association, focuses on expanding the association's reach and strengthening member engagement. By architecting outreach strategies, the President connects with diverse stakeholders across the institutional, commercial, and industrial construction sectors. This leadership role involves managing regional networking initiatives that encourage collaboration among contractors and associated partners. Through these efforts, David Timlock directly increases the value proposition for members seeking to expand their professional networks. Timlock also monitors market shifts to ensure that the association provides relevant support services to its growing membership base. By coordinating with external partners, the President facilitates the exchange of ideas that drive innovation in construction project management. Through consistent focus on member satisfaction and retention, Timlock strengthens the collective influence of the association. Ultimately, the President secures the long-term viability of the organization by building a robust and interconnected community of industry professionals.

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    Frequently Asked Questions Regarding Ontario General Contractors Association Top Executives and Leadership Team

    Who leads Ontario General Contractors Association?
    Ontario General Contractors Association is led by Jean St. Pierre (President & Chief Operating Officer), along with executives such as Justin Harper (President) and Giovanni Cautillo (President).
    Who is part of Ontario General Contractors Association’s executive team?
    The executive team of Ontario General Contractors Association includes leaders such as Jean St. Pierre (President & Chief Operating Officer), Justin Harper (President), Giovanni Cautillo (President) and other senior executives.
    How many executives does Ontario General Contractors Association have?
    Ontario General Contractors Association has 4 executives leading key business areas.
    What roles are included in Ontario General Contractors Association’s leadership team?
    The leadership team of Ontario General Contractors Association includes roles such as President & Chief Operating Officer, President, President, President.