Demer Holleran has won a combined 34 national championships, including three intercollegiate national championships at Princeton University. She coached the University of Pennsylvania women's team to its only National Championship (2000) in school history. Other highlights include:
- US National Women's Singles Champion – 10 years /1989-1999
- US National Doubles Championships – 11 years /1994-2004
- Five World Women's Doubles Championships/One World Mixed Doubles Championship
- U.S. Women's National Team coach - four years
- Recipient of multiple sportsmanship awards
Demer Holleran has also worked for seven years as a squash recruiting consultant. She is a graduate of Phillips Exeter Academy and Princeton University, where she was a three-sport varsity athlete.