A graduate of the School’s class of 1982, David is the parent of Brynne Thomas ’16 and brother of Andrew Thomas ’76. He is a current TCS trustee and chair of the TCS Board of Governors.

David is managing principal, global health strategy at TELUS, moving from a decade of leadership roles in TELUS at the national level three years ago to build out a new TELUS start-up global digital health business across Latin America, Asia Pacific and Europe – a business that has accelerated dramatically during the pandemic.

He has to his academic credit a Master of Health Sciences in health administration from the Faculty of Medicine at the University of Toronto and a Bachelor of Science from McGill University. He has also completed a certification course from Harvard Law School in an executive program in negotiation, and rounded out his business background with a number of post-graduate economics courses.

David remains an active volunteer on several boards, in the health (Kids Health Link Foundation) and technology (TECHNATION Canada) fields. At Trinity College School, he has volunteered over three decades: in the 1990s he was a TCS board member, chair of convocation and served on the Toronto Branch executive; in the 2000s he served as a TCS trustee and on the restructuring committee, the governance committee, chair of nominating subcommittee and was involved with board evaluation; since 2010 his activities have included the governance committee, strategic planning, accreditation, 150th Anniversary Campaign, and he has been a board member since 2015.

David lives in Toronto with his wife Liisa Tatem. Together they have a blended family of four young adults, ages 23, 24, 25 and 25 – one daughter and three boys. His passions include his kids, travel, cooking and anything outdoors, from gardening to hiking and canoeing and cycling.