Sandra Rosier

Sandra Rosier is a tax advisor, lawyer and Founder and Principal at Rosier Tax Advisory, which provides tax counsel to pension funds, global asset managers and financial institutions. Prior to starting her own practice, Sandra was Global Head of Tax at BGO, where she oversaw the tax function. Previously, she was Managing Director of Tax in the finance group at CPP Investments. Sandra started her career in private practice at McCarthy Tétrault LLP and Ropes & Gray LLP. She holds a J.D. from the University of Ottawa and is a member of the Law Society of Ontario and the Massachusetts Bar.

A woman with short black hair, wearing a white top, small stud earrings, and a thin necklace, poses against a plain gray background with a neutral expression—captured in the minimalist style of David Duff.

Through solid, independent research and non-partisan public engagement, we aim to encourage fresh thinking that leads to practical solutions on tax policy.

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