Marla Cross holds a bachelor’s degree in Natural Sciences from Northwestern Oklahoma State University, Alva, OK. Ms. Cross holds single-subject teaching credentials in Biological Sciences, Chemistry, and Physics. Ms. Cross earned her master’s degree in administration from California State University, Fullerton.

Jessica Daniel holds a bachelor’s degree in public health and a master’s degree in teaching from University of California, Irvine. Ms. Daniel  joined Orange County School of the Arts in 2013 and serves as an academic instructor in the Science department.

Marisa George holds a bachelor’s degree in environmental studies from University of California, Santa Cruz. Ms. George earned a K-12 teaching credential and a master’s degree in teaching science from California State University, Fullerton. She joined Orange County School of the Arts (OCSA) in 2001 and serves as an academic instructor of the Science department; she teaches physical science and environmental science classes.

Sarah Hurwitz joined the OCSA staff in 2012 and currently teaches OCSA's 8th Grade Physical Science course. She graduated Summa Cum Laude from Loyola Marymount University with a Bachelor of Science Degree in Natural Science. While earning her undergraduate degree, she interned at the California ScienCenter's Hands On Summer Science Day Camp where she was inspired to make learning science as interactive as possible. 

Heather Jonson holds a bachelor’s degree in molecular, cell and developmental biology and a master’s degree in education from the University of California, Los Angeles. She earned two single subject teaching credentials in chemistry and biology with a CLAD certificate and is a Nationally Board Certified Teacher. Ms. Jonson joined Orange County School of the Arts (OCSA) in 2008 and serves as an arts instructor of the Culinary Arts & Hospitality Conservatory and an academic instructor of the Science department.

Christine Karlberg holds a bachelor’s degree in Biology and a single subject Life Science teaching credential from Whittier College. In 2020, she earned her Mater of Science degree in science education from California State University, Long Beach. She earned a CLAD certification through the Tustin Unified School District and the Orange County Department of Education. Ms. Karlberg joined the staff at Orange County School of the Arts in 2002 to teach Biology and high school level Life Science.   

Marissa Mares earned a bachelor’s degree in Earth System Science from the University of California, Irvine along with a minor in Education Studies. While earning her undergraduate degree, she also worked towards her single subject teaching credential through the Cal Teach Program at University of California, Irvine.

Jon Sprekelmeyer holds a bachelor’s degree in Kinesiology with an emphasis in Cardiopulmonary Health from California State University Long Beach, and a masters degree in education from California State University Dominguez Hills. He earned his teaching credential with CLAD certification and holds secondary teaching credentials in Health Science and Physical Education.

Shelley Stanphill holds a bachelor’s degree in physics (with a minor in psychology) from Harvey Mudd College and a master’s degree in education from the University of California, Berkeley.  She holds two single subject teaching credentials in physics and chemistry with a CLAD certificate.  Ms. Stanphill joined the Orange County School of the Arts in 2010 and serves as an academic instructor in the Science department.