Meet the EFofSV Board of Directors


Kriss Hagerl is a retired educator, serving for 29 years in Sierra Vista Unified School District.  She is a proud Buena High School graduate and her own children received an excellent public school education in SVUSD.  She is serving on the EFofSV Board with the purpose of building sustainable networks and resources for financial and physical supports for our children, our teachers, principals and staff in our community’s outstanding SVUSD schools. 

Kriss Hagerl

I am a retired teacher of 32 years with the Sierra Vista Unified School District.  I began my teaching career teaching Business classes at Sierra Vista Jr. High, teaching 9th-grade typing and General Business and then spent the next 30 years at Buena High  School teaching Marketing, Business Law, Shorthand, Keyboarding, Notehand, Business Communications, Computer classes, and Cooperative Office Education (work/study program) 

I became involved with EFofSV to help provide financial support for our graduates and to help students, teachers, support staff, and administration through providing additional means for continued and improved guidance and training for our students.

Terry Rothery

Carolyn Umphrey is an active parent with two students in the Sierra Vista Unified School District who believes that supporting public education is to support everything and everyone. Along with serving on the EFofSV board, Carolyn is also a certified dog groomer and small business owner.  In 2018 she was elected to Sierra Vista City Council and is currently serving a 4-year term.

Carolyn Umphrey

Dr. Hal Thomas is the Father of the Education Foundation of Sierra Vista.  He has earned his Doctorate in Education, MA in Industrial Education, BA in Bus ADM and Psychology and, Minors in English, Geography, History, and Economics.  Education is his passion.

"Who will lead America into a bright future?"

"Without some education that make students 'work ready" for one of today's good jobs and a lifelong learner for tomorrows challenges, they will never secure a decent job or realize their full potential'"

"We must prepare ourselves and invest in the next generation to be those future leaders."

Dr. Hal Thomas
Founding Board Member

Suzanne DeRosier is a retired teacher with 27 years in the Buena High School English Department. It is a privilege to serve on the Education Foundation of Sierra Vista with the purpose of encouraging our community to stay informed and enthused about the schools in Sierra Vista Unified School District.  It is vital that we support our teachers, staff, and children.

Suzanne DeRosier
Board Member
Rod Creathbaum
Board Member

Rod is currently a semi-retired Financial Planner with over 50 years of experience working with individuals and businesses helping them achieve their goals.  In his spare time, he is an information junkie, always looking for ways to improve individuals and organizations.  He Works with an anonymous think tank that looks for ways to make Cochise County the healthiest possible place to live.  The think tank has been successful in helping bring over $2,000,000 into the county to improve communication for the medical community.  In addition, they are working to encourage collaborations to improve the health of individuals and organizations in the county.  Rod understands the quality of life in Sierra Vista is intimately connected to the quality of the education our children experience at SVUSD and commits his time with the Education Foundation to facilitate ways to support and enhance that education for Sierra Vista's youth.

Sandra Trevino
Board Member

Sandra "Sandee" Trevino taught mathematics at Buena High School in Sierra Vista, AZ from 1983 until 2012. From 2000 to 2012, she was the Buena High School Mathematics Department Chair..  For a few years during this time, she also was an adjunct faculty member for Cochise College and the UA South.  From 2012-2013 she lived in Washington, DC where she was an Albert Einstein Distinguished Educator Fellow and worked at the National Science Foundation in Arlington, VA.  Ms. Trevino is a National Board Certified Teacher in Adolescence and Young Adult Mathematics. She also earned a NASA ENDEAVOR STEM Certificate from NASA and Columbia Teachers College. She flew on SOFIA (Stratospheric Observatory for Infrared Astronomy), a NASA mission in October 2015, and the Kuiper Airborne Observatory in 1995 as a NASA earth educator partner. She received the Presidential Award for Excellence in Mathematics Teaching in 2009. She taught preservice elementary teachers at the University of Arizona South science and mathematics methods courses from 2014-2018.  Mrs. Trevino has also provided STEM outreach to the Girl Scouts and several professional development workshops to teachers. Ms. Trevino was a STEM Mentoring Coordinator for the ENLIST (Engineering New Leadership in STEM Teaching) program from 2015-2018 in Sierra Vista, AZ.