Francesca is head coach of girls' lacrosse and also coaches varsity field hockey. She is the author of a coaching book, Coaching Women’s Lacrosse: Skills, Drills & Techniques, published by STX, Inc. She also works in the admission office and lives on campus with her children. DenHartog played lacrosse for Harvard University, was a two-time All-American, and still holds scoring records. She went on to play for the U.S. team and, over the course of 10 years, played in three World Cups (earning two golds, one silver) and on two international tours. She is a member of the Harvard Athletic Hall of Fame, the New England Lacrosse Hall of Fame, and the National Lacrosse Hall of Fame. DenHartog began her coaching career at Yale University, as head lacrosse coach for eight years and assistant field hockey coach for seven. During her tenure, the lacrosse team won two E.C.A.C. championships and finished as high as seventh place in the nation. DenHartog then moved to the University of Massachusetts-Amherst to rebuild the newly reinstated UMass lacrosse program. She led that team to the E.C.A.C. and Atlantic-10 tournaments.