Meet Coach Lex!! Coach Lex has been teaching in DPS for two years and will be teaching Math I and Math II at South this year! Coach Lex ran at the University of Michigan where he was an All-American and Big Ten Champ, and then post collegiately becoming the 447th American to run a sub-4 minute mile! However, he’s most proud of being part of 3x State Championship XC team at Dexter HS in Michigan! Before moving to CO, Coach Lex was the head coach at Dexter, and before that a GA Coach at Illinois State University.