Entering her 19th season, Karen Borbee leads the Garnet with a wealth of experience, both as a player and as a coach. A member of the United States Women's Lacrosse Team from 1981-1984 and 1988-1993, Borbee has competed internationally on many occasions, representing the U.S. against Canada, Scotland, Wales, England, and Australia. She was also a member of the 1989 World Cup team which won the World Championship in Perth, Australia.

In 1984, Borbee graduated with honors from the University of Delaware, where she had an outstanding lacrosse career. In 1997, she was inducted into the inaugural class of the University of Delaware Hall of Fame. She was a three-time All-American and was a member of the 1981 and 1982 AIAW Division II national championship teams and the 1983 NCAA national championship team. She served as team captain during her senior year and was also named Most Valuable Player at the NCAA tournament. In 2001, Borbee was inducted into the National Lacrosse Hall of Fame and the Pennsylvania Lacrosse Hall of Fame.

After spending six years as a mathematics teacher and coach at Strath Haven High School in Wallingford, PA, Borbee joined the faculty at Swarthmore College in 1990. In addition to coaching lacrosse, she is a professor of physical education. Since becoming the head lacrosse coach at Swarthmore in 1993, Borbee totes an overall record of 179-135, the second best among all current coaches in the Centennial Conference.