Warren Collier was born in Fremont, California and went to Mission San Jose High School. He studied Psychology at Santa Clara University and graduated the class of 2004. Warren also received his teaching credential from SCU in 2007. Warren started teaching at Gunn in 2009 and currently lives in Sunnyvale.

Rachel Congress has worked at Gunn for over 10 years.  She has a Bachelor’s degree in Psychology with a Minor in Studio Art from Scripps College.  She worked at Gunn as a Special Education Aide for three years before taking a leave to obtain a Bachelor’s degree in Mathematics from CSUEB and a teaching credential from Notre Dame de Namur University.  Rachel began teaching Math at Gunn in 2007.  She was a facilitator at Camp Everytown for eight conferences, served on the WASC Leadership Team, and is currently an Intervention Teacher on Special Assignment (TOSA) for 40% of her teaching assignment.  In her spare time, Rachel enjoys skiing, reading, swimming, playing the piano, traveling, and going to Giants games

has been teaching Mathematics at Gunn since 1996.  He is a graduate of Palo Alto High School (1989) and Rice University where he earned his Bachelor’s in Economics (1993) and his Master’s in Math Education (1995).  In 2009, Dave was Nationally Board certified in secondary mathematics.  He has taught all levels of math at Gunn from Algebra 1 to BC Calculus and was awarded the Principal’s Cup in honor of his commitment to student learning and his many contributions as a faculty member at Gunn High School.  In his spare time you might find him playing with his two children, hamming it up in the student staff musical, or composing offbeat songs on guitar and piano.