Ken Mayhew is a dynamic and highly respected senior fundraising executive with a passion for cultivating donors who share William Osler Health System’s (Osler) commitment to deliver exceptional health care close to home. Through his exemplary leadership, William Osler Health System Foundation (Osler Foundation) has experienced continuous revenue growth, recently exceeding its $100M campaign goal by $9M to support redevelopment and ongoing equipment needs at Osler’s Brampton Civic Hospital, Etobicoke General Hospital and Peel Memorial Centre for Integrated Health and Wellness. 

Prior to joining Osler in 2012, Ken spent 20 years with the MS Society of Canada where he was responsible for all aspects of marketing, communications, media and fund development for a program with almost one million active donors, raising over $50M annually. 

An active and passionate volunteer, Ken is immediate Past Chair of the Association of Fundraising Professionals (AFP) Canada. He is also Past President of the local AFP chapter. Ken’s ongoing involvement with AFP, Imagine Canada and the Rideau Hall Foundation includes government relations and media work to profile the importance of philanthropy as an enabler of Canada’s robust and inclusive social fabric. He is a frequent sector spokesperson and has been featured in numerous podcasts, panels, interviews and media pieces.  

Among many honours, Ken has been recognized with a CEO in Action award from the Diversity Journal for his work in inclusive board and fundraising development. He was named 2019 Fundraiser of the Year by AFP Toronto and in 2022 became a Paul Harris Fellow—the highest award in Rotary, given to a member of the public who has made an outstanding contribution to the community. Ken’s career will be featured in Peter Mansbridge’s upcoming book How Canada Works – The People Who Make Our Nation Thrive.