National co-Chair of Osler, Shawn's practice is comprised of energy, mining, environmental, regulatory and Aboriginal law matters. Shawn advises a variety of industries, including: the energy and mining industries. He has been engaged in a number of international assignments including advising the Federal Republic of Nigeria on the development of its oil sands regulatory system. He also advised Canada’s largest energy industry associations in respect of regulatory reform for energy project development. Shawn has appeared in major regulatory proceedings before the Energy Resources Conservation Board; Alberta Utilities Commission; National Energy Board; Federal Environmental Assessment Joint Review Panels; Ontario Energy Board; Alberta Environmental Appeal Board and various other appeal boards. He has successfully represented clients in the development of multi-billion dollar projects including oil sands projects, shale gas projects, LNG projects, offshore developments, and mining projects. He has negotiated resource development and impact benefit agreements with Aboriginal groups on behalf of resource developers. Member of the LSA, LSUC, and CBA. Admitted to the Alberta Bar in 1989, the Ontario Bar in 1993 and received the designation of Queen’s Counsel in 2010.