Ontario General Contractors Association Executive and Leadership Team

August, 2026

Leadership Overview

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

Dedicated to advancing the institutional, commercial, and industrial construction sectors, Ontario General Contractors Association fosters innovation and safety through robust advocacy, comprehensive training programs, and collaborative partnerships across the province.

Leadership Roles at Ontario General Contractors Association

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

    Jean St. Pierre, the President & Chief Operating Officer at Ontario General Contractors Association, directs all internal operational workflows and organizational efficiency initiatives. Overseeing the daily execution of member services, the President & Chief Operating Officer ensures that all institutional, commercial, and industrial contractors receive high-value resources. Jean St. Pierre manages the integration of new construction technologies into existing member frameworks, driving modernization across the Ontario landscape. By coordinating with the board, the President & Chief Operating Officer aligns internal administrative goals with the broader mission of safety and industry excellence. This leadership role requires constant monitoring of operational metrics to maintain high standards of service delivery. Through rigorous oversight of internal processes, the President & Chief Operating Officer supports the growth of the association. Ultimately, the President & Chief Operating Officer secures the operational foundation necessary for long-term industry influence and member satisfaction.

    David Timlock - President

    David Timlock, the President at Ontario General Contractors Association, architects the primary advocacy strategy for the institutional, commercial, and industrial construction sectors. Focusing on legislative engagement, the President represents the interests of general contractors before government bodies and regulatory agencies. David Timlock drives the development of policy frameworks that promote safety and fair competition within the Ontario market. By collaborating with industry stakeholders, the President ensures that the association remains the leading voice for construction professionals. This role involves navigating complex regulatory environments to secure favorable outcomes for the membership base. Through strategic communication and high-level networking, the President expands the influence of the association across the province. The President maintains a sharp focus on long-term industry sustainability, ensuring that all advocacy efforts align with the core mission of fostering innovation and professional excellence in the construction sector.

    Justin Harper - President

    Justin Harper, the President at Ontario General Contractors Association, manages the expansion of educational programs and professional development resources for the membership. Overseeing the delivery of specialized training, the President ensures that contractors possess the latest knowledge regarding safety protocols and construction best practices. Justin Harper drives initiatives that connect members with emerging construction technologies, facilitating a culture of continuous improvement. By fostering partnerships with educational institutions, the President creates pathways for workforce development across the Ontario region. This leadership role involves evaluating the effectiveness of training modules to ensure alignment with current industry demands. Through the implementation of robust learning frameworks, the President supports the professional growth of general contractors. Ultimately, the President strengthens the competitive edge of the membership by prioritizing skill acquisition and the adoption of advanced construction methodologies within the institutional, commercial, and industrial sectors.

    Giovanni Cautillo - President

    Giovanni Cautillo, the President at Ontario General Contractors Association, leads the strategic outreach and collaborative efforts between general contractors and associated industry partners. Focusing on market integration, the President builds networks that facilitate communication and resource sharing across the institutional, commercial, and industrial construction landscape. Giovanni Cautillo drives the development of forums and events that encourage the exchange of ideas and the promotion of industry-wide safety standards. By engaging with diverse stakeholders, the President ensures that the association remains at the forefront of collaborative innovation in Ontario. This role involves managing external relationships to enhance the visibility and impact of the association. Through proactive engagement strategies, the President secures the alignment of various partners with the core mission of the organization. Ultimately, the President fosters a cohesive environment where contractors and partners work together to advance the standards and efficiency of the construction industry.

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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 David Timlock (President) and Justin Harper (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), David Timlock (President), Justin Harper (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.