Mr. Keller earned his Bachelor of Science degree in Electrical Engineering (B.S.E.E.) from North Dakota State University and his MBA degree from the University of St. Thomas, St. Paul, Minnesota. Mr. Keller began his career as a product and process engineer at Honeywell in Minneapolis, Minnesota. He held several senior sales and marketing roles prior to joining TSMC. He joined in 1997 as Director of Account Management for North America, making significant contribution to ensure the best customer experience in North America over the last twenty years.