M.Ed. (Mathematics Education), B.A. (Economics/Social Sciences)
Rex has taught mathematics for 15 years mostly at the high school level. He has taught every math class from 6th grade to Calculus;
He spent one year serving as the curriculum leader of over 900 teachers (in Mukilteo School District in Washington State), where he had the responsibility to create professional development experiences around math instruction, as well as manage curriculum resources;
He qualified and has been a mountain guide in Washington State, USA, and enjoys finding interesting ways of differentiating topics to support and challenge all students.