 In addition to professorships in electrical engineering at MIT and UBC, Dr. MacDonald has served in an advisory capacity to the government and on the board of directors of numerous companies.In 2001 Dr. MacDonald co-founded Day4 Energy, a company that designed, manufactured and sold high performance solar electric modules.Day4 Energy went on to have one of the largest IPOs in Canada in 2007, at over $100 million and grew to almost 300 employees.