Advisory Council

Philip Cartwright leads Global Public Affairs’ Transportation, Infrastructure & Communities practice and co-manages Global’s Ottawa team. With close to 15 years’ experience in public affairs and public policy, Philip develops and executes government relations and related corporate development strategies in every transportation sector – rail, air and marine. He provides advice on all aspects of regulatory, legislative and policy development, ensuring integration of Parliamentary, political and policy considerations.

Philip’s clients have included airlines, airports, Class-1 railways, global resource producers and commodity shippers, port and terminal operators, tourism industry stakeholders, manufacturers, financial institutions, technology firms, trade associations and industry coalitions, among others. Philip joined Global Public Affairs in 2007 from the Privy Council Office where he worked in various secretariats including Machinery of Government, Cabinet Confidences and Senior Personnel and Special Projects. Prior to living abroad in South Africa, Philip also worked with other professional services firms including an international public opinion polling firm.

Philip is a Founding Board Member of the Canadian Advocacy Network and is a member of the Board of the Chartered Institute of Logistics & Transport (Ottawa Region).  He previously served as President of the Government Relations Institute of Canada (2017-2019) and on the boards of the Canadian Club of Ottawa and the Canadian Transportation Research Forum. Philip has also been actively involved as a volunteer with the National Arts Centre.  He holds a Bachelor of Public Affairs and Policy Management (Hons.) degree from Carleton University’s Arthur Kroeger College of Public Affairs and an Executive MBA from the Smith School of Business at Queen’s University.

Denise Siele serves as Press Secretary to the Leader of Canada’s Official Opposition. Prior to this role, she led a Public Affairs firm working with leaders and stakeholders across national, provincial and local governments. A seasoned political strategist, she has been a regular political analyst and commentator on Canada’s major television and radio network.

She is a past president of the Canadian Club of Ottawa; and serves on the Telus Ottawa Community Board.  She was a director of the Youth Services Bureau Charitable Foundation; the Algonquin College Foundation Board; chair of Ottawa’s Fund for a New Generation; and founder of both the Black Women’s Civic Engagement Network and the Vivante fundraiser for the Children’s Hospital of Eastern Ontario.

Amongst awards, Denise Siele is a 2015 recipient of the Ottawa Chamber of Commerce Forty under 40 Award; 2015 Ottawa Life Magazine Top 25 People in the Capital; and in 2016 was named one of the 100 Most Accomplished Black Canadian Women.

She lives in Ottawa with her husband Fred Sherman and their son.