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Executive team

Deborah Flint

President and Chief Executive Officer

Deborah Flint joined the Greater Toronto Airports Authority as President and Chief Executive Officer in February 2020, following more than 4 years as CEO of Los Angeles World Airports and 24 years serving in executive roles in the aviation industry.

At Los Angeles World Airports, Deborah initiated the $14-billion modernization of its terminals, runway improvements, and a comprehensive transit program that includes roadway improvements and an intermodal transportation facility.

As a recognized leader within the international and U.S. aviation community, Deborah serves as a member of the Airports Council International board, appointee to the U.S. DOT Drone Advisory Committee, and Chair of the Oversight Committee of the Transportation Research Board’s Airport Cooperative Research Program. Beyond the airport industry, she has served on the Board of the Federal Reserve Bank and is a Director of the Honeywell Corporation.

Martin Boyer

Vice-President and Chief Information Officer

Martin Boyer joined the GTAA in August of 2014. He most recently led the project management office for Desjardins General Insurance in Lévis, Quebec. Prior to Desjardins, Mr. Boyer held numerous positions throughout his 26-year career with Air Canada, including implementation and support for new technology and software as Air Canada successfully changed its operational systems, including general manager, customer service for Eastern Canada and vice-president operations Destina.

Mr. Boyer holds a bachelor of electrical engineering and master of science, computer and communications from École polytechnique. He also has his masters of business administration (MBA), with a focus on information systems, from École des hautes études commerciale.

Craig Bradbrook

Chief Operating Officer

Mr. Bradbrook joined the GTAA in October of 2014, following six years as director of security, facilitation and airport information technology and two years as deputy director general of Airports Council International (ACI) in Montreal.

Mr. Bradbrook spent 18 years in airport operations in Hong Kong, as an airport manager and senior safety officer at Kai Tak Airport and as a general manager with the Airport Authority Hong Kong operating Chek Lap Kok Airport. Before entering airport management, Mr. Bradbrook was a police officer in the Hong Kong Police, attaining the rank of chief inspector in charge of the airport police tactical response unit.

He holds degrees and certification from the Cranfield University, the University of New South Wales (Safety Science) and Loughborough University (Security Management).

Ian Clarke

Chief Financial Officer

Mr. Ian Clarke, CA, FCA, ICD.D., joined the GTAA in March 2017 as the chief financial officer. Mr. Clarke is a financial professional with more than 25 years’ experience in the sports and entertainment industry ranging from finance, administration, taxation, new business development, governance relations, regulatory filings, collective bargaining, union negotiations, bond and loan restructuring. Mr. Clarke was previously employed by Maple Leaf Sports and Entertainment Ltd.

Mr. Clarke is a chartered accountant, has received a Fellowship of Chartered Accountants from the Institute of Charter Accountants of Ontario and holds a director designation from the Institute of Corporate Directors.

Katherine (Kath) Hammond

Vice-President, General Counsel, Corporate Safety and Security

Kath Hammond is a senior corporate lawyer with 25 years of legal and commercial strategy experience, gained as a commercial associate at Torys LLP, followed by progressively more senior in-house and commercial strategy roles for electricity and infrastructure organizations across the public and private sectors. Having held the Assistant General Counsel role at Ontario Power Generation, and most recently, the Director Legal role for OMERS Infrastructure Inc., Ms. Hammond has a proven track record as an innovative thought leader, a strong and influential stakeholder manager and an engaging and supportive leader and mentor.

Ms. Hammond sits on the board of directors of the University of Toronto Schools. A member of the Ontario Bar since 1995, Ms. Hammond earned her BA at Huron College and the University of Western Ontario, and her LLB at the University of Toronto Faculty of Law.

Hillary Marshall

Vice-President, Stakeholder Relations and Communications

Hillary Marshall joined the GTAA in September of 2014, following time spent as vice-president at National Public Relations and as an associate at Hill & Knowlton, specializing in strategic counsel on all aspects of communications, government relations, stakeholder relations, communications and crisis management issues.

Ms. Marshall has previously worked in senior communications roles at Direct Energy, the Hudson's Bay Company and the TSX Group. From 1997 to 2001, Ms. Marshall worked as press secretary in the Office of the Premier of Ontario.

Ms. Marshall holds a BA in Japanese and political science from the University of Toronto and a post-graduate diploma in public relations from the University of Stirling, Scotland.

Patrick Neville

Vice-President, Airport Development and Technical Services

Mr. Patrick Neville, P.Eng., joined the GTAA in March 2001 as the director, facility activation. In April 2004, Mr. Neville was appointed director of airport planning. With more than 20 years of management experience in the airline industry in technical operations and airport operations roles, Mr. Neville was employed by Wardair Canada, Canadian Airlines and Air Canada. Mr. Neville is a professional engineer and a graduate of the Southern Alberta Institute of Technology.

David Wexler

Interim Vice-President, Human Resources and Corporate Services

David Wexler first joined the GTAA in 2015 and rejoined the organization in August 2020 as Interim Vice President, Human Resources and Corporate Services. Mr. Wexler leads a Human Capital consulting practice that provides executive coaching and strategic HR counsel to leaders and Boards at organizations such as HOOPP, ELTE, BORROWELL, DROP, GTAA, and the Vector Institute. Mr. Wexler is a CEO Career Transition consultant for LHH Knightsbridge, a member of the Board of Directors for Legal Aid Ontario and Chair of that Board's HRCC. Mr. Wexler is past Board member and HRCC Chair for Cancercare Ontario; past CHRO for CPPIB and EA Sports Canada.

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