Ontario General Contractors Association Executive and Leadership Team

July, 2026

Leadership Overview

The Ontario General Contractors Association has 4 executives leading key functions including strategy, operations, and industry representation.

Driven by a commitment to excellence, Ontario General Contractors Association champions safety and innovation across Ontario's construction sector, fostering collaboration and promoting advanced technologies among its members and partners.

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 the association's operational framework and strategic initiatives. Overseeing daily functions, St. Pierre ensures the seamless execution of programs designed to advance safety and innovation within the institutional, commercial, and industrial construction sectors across Ontario. This leadership role involves coordinating member services, managing resource allocation, and driving the implementation of best practices and new construction technologies. By fostering a collaborative environment, Jean St. Pierre strengthens relationships among general contractors and industry partners, directly supporting the OGCA's mission to elevate industry standards and promote effective construction solutions throughout the region. The operational scope includes managing internal teams and external partnerships to achieve organizational objectives.

    David Timlock - President

    David Timlock, the President at Ontario General Contractors Association, spearheads the association's advocacy efforts and strategic direction. Timlock champions the interests of institutional, commercial, and industrial (ICI) general contractors throughout Ontario, focusing on promoting safety and innovation. This leadership position involves engaging with government bodies, industry stakeholders, and member companies to influence policy and foster a supportive business environment. David Timlock's work ensures that the OGCA effectively represents its members, providing essential training and resources that enhance operational capabilities and promote the adoption of advanced construction technologies. The focus remains on driving industry-wide improvements and maintaining a collaborative ecosystem for contractors and associated partners.

    Justin Harper - President

    Justin Harper, the President at Ontario General Contractors Association, drives the association's commitment to fostering innovation and collaboration within the construction industry. Harper focuses on enhancing the operational effectiveness of general contractors across Ontario's institutional, commercial, and industrial sectors. This involves championing the adoption of cutting-edge construction technologies and promoting best practices among members and partners. Justin Harper's leadership ensures that the OGCA provides valuable training and resources, directly contributing to the advancement of safety standards and the overall efficiency of construction projects. The role emphasizes building strong relationships and advocating for an environment conducive to growth and technological integration in the ICI construction landscape.

    Giovanni Cautillo - President

    Giovanni Cautillo, the President at Ontario General Contractors Association, leads the organization's strategic vision for promoting safety and innovation in the construction industry. Cautillo is dedicated to enhancing the capabilities of institutional, commercial, and industrial (ICI) general contractors throughout Ontario. This involves advocating for industry best practices, facilitating access to advanced construction technologies, and ensuring members receive comprehensive training and support. Giovanni Cautillo cultivates a collaborative atmosphere, strengthening ties between contractors and associated partners to drive collective progress. The leadership ensures the OGCA remains a vital resource, supporting member success and contributing to the overall development and modernization of Ontario's construction sector.

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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.