He is a former Senior Lecturer in the Master of Arts in Graphic Design program at Suffolk University and Assistant Professor of Art in the Department of Graphic Design at Boston University’s College of Fine Arts. He instituted a summer graphic design program and taught a course ‘Graphic Design in London’ at Boston University London Academic Centre for over 8 years. He has lectured on graphic design history and led courses and workshops in the United Kingdom, Japan, Mexico, United States, China, and annually at Nanjing Arts Institute. Doubleday has exhibited at many international events and competitions including the International Poster Triennial in Toyama, Japan, the Lahti International Poster Biennial, Lebanese American University in Beirut, and the Contemporary International Poster Retrospective in Beijing, China.