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.

first began teaching at Gunn in 1999 and taught here for 6 years.  After staying home with her children for a few years Rachel is excited to return to Gunn to teach one class.  Prior to Gunn, she also taught math and chemistry for six years in Canada.  Rachel earned her math degree from Trent University and Education degree from Queen’s University in Canada.  In her free time Rachel loves to hike and spend time with family and friends.

Bill Dunbar began teaching in 1988 and has been teaching physics and engineering at Gunn since 1996. He has degrees in engineering from Stanford and in education from Cal Poly, San Luis Obispo. Mr. Dunbar founded the Gunn Robotics Team during his first year at Gunn as a haven for students who like to complete projects, and he is known for his theme lectures in physics. He is a National Board certified teacher and he has won the Smart Valley Innovation Award for teaching, the Silicon Valley Woodie Flowers award for engineering mentorship, and the National Teach for Technology Award from the National Science Teachers Association. Mr. Dunbar teaches Physics Honors and AP Physics C.

Cristina Florea began teaching at Gunn in 2006, after teaching at Saratoga High School.  She earned her Bachelor Degrees in Mathematics and Marketing, teaching credential, and Master Degree in Education Technology from Santa Clara University.  Cristina also completed coursework at Wharton and received a certificate to teach business to high school students, and now gives seminars at Wharton in applied learning.  She started BEAM, a program that teaches students how mathematics applies in real world contexts through business applications.  Partnered with the City of Palo Alto, Ernst&Young, PricewaterhouseCoopers, The Design Farm, and Silicon Valley Talent Partnership, BEAM gives students the opportunity to give back to the community and obtain hands-on experience in fields such as finance and quantitative marketing through volunteer work for local small businesses and non-profit organizations.  In BEAM, students are also encouraged to start their own business and receive mentorship from private sector firms and business school alumni.  In her free time, Cristina enjoys ballroom dancing, cooking, traveling, and spending time with her family and friends

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