 She has held senior positions in the petroleum industry, received national and international honors and was President and CEO of CAWST until September 2011.After graduating with a Bachelor of Engineering from McGill University, Baker worked in the petroleum industry for over 20 years in executive positions with Norcen Energy Resources Limited, Conwest, Alberta Energy Company and was a member of the board of directors for the Alberta Oil Sands Technical Research Authority.As a career change, seeking to apply engineering principles to the problem of supplying clean water and sanitation worldwide, she enrolled in the Masters Environmental Science Design programme at University of Calgary.