During her years playing for the University of Hawai'i, Collins-Parker led her team to an impressive 138-15 record, guiding the school to the first-ever back-to-back volleyball National Championships in 1982 and 1983. In addition to earning three AVCA All-American honors during her collegiate career, Collins-parker won the Broderick Cup Award, signifying the nation's top female collegiate athlete, the first volleyball player to ever receive that distinction. Collins-Parker went on to compete at the national level, and played in the 1988 Seoul Olympic Games. Collins-Parker is now in her 15th year of coaching, and is currently the head women's volleyball coach at Cornell University.
Collins-Parker makes the effort to be a recognizable leader in the volleyball community, serving as a member of the AVCA Board of Directors, and the chairperson on the AVCA Minority Coaches Committee. In this position, she spearheads clinics for female minority coaches that are aspiring to pursue coaching positions at the collegiate level. She currently has membership with the AVCA, Coaches Accreditation Program, Kaepa Gold Medal Clinics, Black Coaches Association, and Fellowship of Christian Athletes.
After receiving her degree in communication from Hawai'i, Collins-Parker's coaching career began at the University of Houston as women's volleyball assistant coach, and then continued at several other top volleyball programs around the country.
"(Collins-Parker) is an excellent ambassador for the sport of volleyball as she is known for her playing achievements while being very sincere and modest," said Sarah Bernson, assistant volleyball coach at Cornell, in her nomination of Collins-Parker. "Even though her playing days ended in 1992, Deitre is continually being recognized for her playing ability and success."