A 4-year varsity letterman in volleyball and water polo at Torrey Pines HS, Brennan Dean continued his passion for volleyball and played another four years at Chico State, and was named team captain his junior and senior years. Brennan earned a BA in Psychology with a minor in Ethics in 2003 from Chico State and an MA in Educational Counseling in 2005 from Pt. Loma Nazarene University. In 2006 Brennan began working as a counselor at Torrey Pines High School. In 2010 Brennan became the Head Counselor at Torrey Pines High School and the District Head Counselor for the San Dieguito Union High School District.

This year, Brennan accepted the position of the girls varsity volleyball head coach at Torrey Pines High School.Brennan has been coaching boys and girls volleyball since 2004 leading numerous teams to qualify for the Junior Olympics and Nationals. Brennan’s team earned a Bronze Medal in the Junior National 17 Open Division.  In 2008 his team earned a Silver Medal in Junior National 18 Open division. In 2010, his team finished #1 in the 16 and under Southern California Volleyball Region. Last year Dean's 17's were the top-rated 17 & under team in the SCVA and they won the Northeastern Junior National Qualifier.

He is married to his wife, Kristen, and lives in La Costa where he can often be found running the trails with his dog, Walli.