In seven seasons at Denison, she helped lead the Big Red to six North Coast Athletic Conference Tournament championships from 2014-19. Denison has also advanced to the NCAA Division III Tournament in all six seasons and from 2016-19, DU won the NCAC regular season title. Denison has won 37-straight regular-season conference games dating back to the 2015 season.

Prior to the 2019 season, Coleman was named the Intercollegiate Women's Lacrosse Association Assistant Coach of the Year for Division III Women's Lacrosse.

In 2019, Coleman and the Big Red rolled through the NCAC with another percent 8-0 record. The team finished the year with a 16-5 record while facing one of the most difficult schedules in school history. Four of Denison's five losses came against nationally ranked opponents and on March 22, the Big Red defeated No. 23 Rowan, 16-15 in overtime. In the postseason awards, Jane Goodspeed was named to the IWLCA All-American team for the second time while repeating at the NCAC's Defensive Player of the Year. First-year Casey McTague was named the NCAC's Newcomer of the Year. Denison qualified for the NCAA Tournament for the 21st time and advanced to the NCAA Sweet 16 for the fifth time.

In 2018, Coleman assisted the Big Red to a 17-3 record, reaching their fourth Sweet 16 in program history. Setting seven new team records in 2018, Denison's Leah Israel and Jane Goodspeed were named to the IWLCA All-American team.

In 2017, the Big Red went 15-4, advancing to the second round of the NCAA Tournament. Senior Claire Ludlow was named to the IWLCA All-American team for the second time in her career.

Coleman is involved in all aspects of the program on and off the field. Her primary concentration on the field is defense and goalie coordination. In the office, Coleman has responsibilities in overall program management including recruiting, team travel planning, and practice and game strategies. She is involved in many college lacrosse camps as well as coaching for a Club Team.

Coleman came to Granville from Glenalmond College in Perth, Scotland where she was the girls' lacrosse coach and sports assistant after a four-year playing career at the perennial powerhouse Gettysburg College.