Our Leadership

GM Canada VP Marketing, Sales and Service Scott Bell

Scott Bell

GM Canada President and Managing Director

Scott was appointed to GM Canada president and managing director in September 2019, reporting to Barry Engle, executive VP and president, GM North America. Scott is a member of the Canadian Executive Council and GM Canada’s Board of Directors.

Prior to his current role, Scott became vice president sales, service and marketing for GM Canada in June 2018 and was responsible for marketing, sales and service across all four GM brands – Chevrolet, Cadillac, Buick and GMC.

From Michigan, U.S., Scott started his career at GM in 1989. During his career, Scott has held numerous Sales, Service and Marketing positions across the GM brands including: Fleet, Commercial and Buick GMC. During his time with Buick GMC, he held a series of field leadership roles before being appointed, Director of Sales Operations. In this role Scott was responsible for transforming the sales and dealer organizations to best position Buick GMC for future growth while phasing out Pontiac. 

In 2013, Scott was appointed to Director of U.S. Sales Operations for Chevrolet, where he was responsible for leading the brands business planning, incentives strategy, customer experience and training, retail advertising and dealer relations.

During his time at Chevrolet, the brand became the most awarded and fastest growing brand in the industry. Scott helped increase retail share and improved its overall relationship with its dealers which has allowed for a more coordinated strategy and better alignment of the national and retail go to market strategies.

In his spare time, Scott is passionate about outdoor sports, health and fitness, and is an enthusiast of classic cars.

Scott graduated from Ferris State University and holds a Master’s degree from Central Michigan University.



Sandor Piszar

Vice President, Sales, Service and Marketing, GM Canada

Sandor was appointed to vice president of GM Canada sales, service and marketing in September 2019, reporting to Scott Bell, GM Canada president and managing director.

Prior to this role, Piszar was director of marketing for Chevrolet trucks where he led the brand’s advertising and marketing efforts and the launches of several vehicles and special edition models. He held that position since March 2014.

As director of performance and accessories for GM’s Performance Vehicles and Motorsports group, Piszar was responsible for integration of the Chevrolet brand across performance vehicles, motorsports, performance parts and divisional marketing activities.

As director of GMC product marketing, Piszar led the brand’s marketing efforts and oversaw projects such as defining brand basics and performance standards.

He has also held the positions of senior manager - accessories, manager of retail marketing integration, and various zone and district manager positions in GM’s U.S. field operations.

A graduate of Eastern Michigan University, Piszar joined GM in 1998. He also has an MBA from University of Phoenix and completed the Chief Marketing Officer Program from Northwestern University, Kellogg School of Management as well as the Leading with Impact Executive Training Program from the University of Michigan, Stephen M. Ross School of Business.

Jim Williams Headshot

Jim Williams

Vice President and Lead Counsel, General Motors of Canada Company

Jim Williams has been named Vice President, and Lead Counsel for General Motors of Canada effective August 1.

Jim has served the General Motors Legal Staff for over 29 years, working on litigation matters for the first 8 years of his career, and with the U.S. Sales, Service and Marketing organization for the last 21 years. Most recently, he served as Lead Counsel for Sales, Marketing and CCA, where he was responsible for supervising a team of 5 lawyers and 4 legal assistants that support GM's sales, marketing and CCA organizations. Jim managed counseling support for all U.S. dealer matters, and the legal review of all of GM's advertising, incentives and promotions. He also oversaw legal support for CCA on warranty, recall execution and service issues. He also served on the Staff of GM's Vice President of Sales, Service and Marketing.

Jim has developed deep expertise in dealer law and in a broad spectrum of consumer protection matters, resolving issues with U.S. state motor vehicle boards, the Federal Trade Commission and various U.S. state attorneys general. He has worked extensively on dealer network solutions, and on dealer processes and performance programs.

Jim began his career with 3 years at in the litigation practice at Haynes and Bonne, a large law firm in Dallas, Texas. While at GM, he has been a recipient of the Chairman's Honor Best of the Best and Speed Demon awards for work on warranty and inventory repricing initiatives.

Jim holds a Juris Doctorate degree from the University of Michigan Law School and a B.A in Economics from the University of Notre Dame.


David Cummings

Vice President Finance & CFO

David was appointed to Vice President Finance & CFO, GM Canada in January 2021, reporting to John Stapleton, CFO of GM North America. David joined General Motors in 2004 and has held a variety of roles of increasing responsibility including experiences in Sales & Marketing, Manufacturing, Treasury, and Corporate Development.

Prior to his current role, David was Finance Director in GM’s U.S. Sales, Service & Marketing organization beginning in 2015. From 2017 through 2020, David was Director of U.S. Incentives and led a team of over 30 individuals that were primarily responsible for strategic support of U.S. marketing divisions in monthly incentive development, go-to-market tactics, marketing budget and consolidations. From mid-2015 to 2017, David was Director of U.S. Pricing, and led a team of over 30 individuals that were similarly responsible for all current and future U.S. vehicle and accessories pricing.

From 2013 through mid-2015, David was Director of Corporate Finance and Capital Planning in GM’s Treasurer’s Office with responsibility for corporate capital allocation strategies, global liquidity management, cash flow forecasting, ratings agency relationships, shareholder activism preparation, and other projects for senior leadership.

David initially joined the GM executive team in September 2011 when he was named Director of Corporate Development and Global Mergers & Acquisitions. In this role, he led the successful divestiture of a GM manufacturing facility in France and played key roles in transactions ranging from negotiation of collaboration agreements with Peugeot Société Anonyme to advanced technology co-development agreements, EV/GHG credit transactions, and GM Ventures investments.

From mid-2009 to 2011, David was Manager of Labour Strategy in GM Manufacturing, supporting successful completion of the 2011 GM-UAW National Labour Negotiations. From 2008 to 2009, David was Manager of GM Investor Relations during the period up to and including GM’s bankruptcy. Prior to this, David spent four years as part of the GM Treasurer’s Office where he lived and worked in New York (U.S.) and Brussels (Belgium) and moved through roles that included cash management, foreign exchange hedging strategy and execution, and business development.

David is passionate about career development and is an advocate for employee engagement. In his spare time, David serves as a leader with local scouting organizations and enjoys spending outdoors time with his family.

David holds both MBA in Finance and Bachelor of Science in Engineering degrees from Duke University.


David Paterson

Vice President, Corporate and Environmental Affairs
General Motors of Canada Company

David Paterson leads Communications, Government and Environmental Relations for General Motors Canada and is a member of GM’s global Public Policy and Communications teams. His areas of expertise and responsibility for GM Canada include international trade agreements, climate and carbon policy, electricity costs, vehicle GHG and electric vehicle regulations, safety regulation, cyber security, privacy, taxation, investment incentives, pensions, worker compensation, real estate, labour law and red tape reduction.

David is a past Chair of the Canadian Chamber of Commerce and currently serves on the Board of Directors of the Canadian Journalism Foundation, the Canadian Motor Vehicle Association and the Executive of the Canadian Automotive Partnership Council.

Prior to joining GM in 2014, he was Senior Vice President, Government Relations & Public Policy at BlackBerry (formerly Research in Motion) where he led global government relations and public policy. At BlackBerry he led a global team of 60 responsible for regulatory advocacy and engagement in 175 countries. Key issues included international market access, intellectual property, lawful access and privacy.

Prior to joining BlackBerry in October 2010, David was Senior Vice President, Public Affairs at Manulife Financial, one of the world’s largest insurance and financial services companies.

From 2002-2009, David served as Vice President and member of the Board of Directors of General Motors Canada Limited where he negotiated an $11 billion restructuring support agreement with Canadian Governments - one of the most challenging periods in the Company’s history. From 1995 to 2002, he was Senior Vice President, Corporate Affairs at AGRA Inc., and post merger in the same role for AMEC plc, one of Europe’s largest engineering services companies. At AMEC, he managed corporate and investor communications, based in London, U.K. From 1990 to 1995, David led corporate and international government relations accounts at Hill and Knowlton Canada where he became Senior Vice President.

Between 1986 and 1990, he worked on the staff of various Ontario Government Cabinet Ministers, acting as Executive Assistant to the Government House Leader and as a Special Assistant to the Ministers of Government Services, Education, the Attorney General for Ontario and the Minister responsible for Race Relations, Native Affairs and Women’s Issues.

He is married with a daughter and lives in Toronto, Canada.