Claire is a frequent speaker on tax and transfer pricing topics and serves on the Executive of the International Fiscal Association's Canadian branch. She is an officer of the International Bar Association's Taxes Committee, led the IBA's responses to the OECD's BEPS project and has taught corporate tax at the Faculty of Law at Queen's University. Claire was law clerk to the late Honourable Mr. Justice Charles D. Gonthier of the Supreme Court of Canada. She is also a director of Alamos Gold Inc. and Chair of the Board of Neo Performance Materials Inc. Claire was appointed to the University of Toronto's Governing Council in 2012 and has served as Chair since July 1, 2017. She is a member of the Dean's Advisory Committee at Rotman and has been extensively involved at UofT's Faculty of Engineering. She is past President of the Engineering Alumni Association and founder and Chair of its Biz Skule™ committee. In 2015, Claire received the Citizenship Award from the Professional Engineers of Ontario. In 2016, she participated in the True Patriot Love expedition to climb Vinson Massif, the highest peak in Antarctica, with a combined soldier and civilian team and raised record funds.