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MA in Education Faculty

CarolVanVoorenDr. Carol Van Vooren is the Coordinator of the Educational Administration Credential program and the former principal of Jefferson Elementary in Carlsbad, an IB World School.  She taught every level from K-21, mostly working with English learners through Migrant Education and federal Title programs.  Her research is focused on leadership through the lens of cultural proficiency and international-mindedness.  Dr. Van Vooren is the professor of several of the cohort classes including Leading School Communities in a Pluralistic Society, Leading for Assessment and Accountability, and Foundations of Leadership and Educational Issues.  She is also the Coordinator of the International Baccalaureate Educator Certificate at CSUSM.

E-mail: | Phone: (760) 750-8516


Brooke SolesDr. Brooke Soles grew up in rural Wisconsin where she attended public schools.  As an Assistant Professor of Educational Administration and Leadership at the California State University San Marcos (CSUSM), she teaches courses in the M.A.Ed. and University of California, San Diego/CSUSM Joint Doctoral Program. She holds a B.A. in Spanish and Education from the University of Wisconsin, Platteville, a M.Ed. from the University of California, Los Angeles, and an Ed.D. in Educational Leadership from the University of California, Berkeley. Prior to higher education, Dr. Soles served for 15 years as K-12 bilingual teacher and administrator in the San Francisco and Los Angeles Unified School Districts (LAUSD) in both traditional public and charter schools primarily at the secondary level. She also served as a Los Angeles County Office of Education Charter School Office Authorizer. Dr. Soles completed service as a Peace Corps Volunteer in Honduras and board member of both the Los Angeles Neighborhood City Council and the Gay and Lesbian Administrators and Allies of the LAUSD. She currently serves on the board for the California Association of Professors of Education Administration. Her current scholarship interest includes culturally proficient educational practices, learning and teaching in educational leadership, and online teaching and learning.

E-mail: | Phone: 760-750-8284



 Manuel Vargas, PhD, is a teacher educator with over 30 years of experience in P-12 and higher education. He has taught 4th, 5th, 7th, and 8th grades and has been an assistant and school principal at International Baccalaureate (IB) American schools in Mexico. His career in higher education began in North Carolina as a middle-level educator. Soon after he initiated the middle-grades program, he became a departmental chair, then associate dean, interim dean, and dean of the School of Education and Human Performance at Winston-Salem State University, one of the sixteen campuses of the University of North Carolina System. His experience in higher education also includes two years at Sonoma State University, CA; one year at Appalachian State University, NC; and an adjunct part-time position at Salem College, NC. Dr. Vargas’s position as director of the School of Education at Cal State San Marcos ended in 2015-16 AY. Upon conclusion of his administrative duties, he joined the MA in Educational Administration and the JDP programs where he teaches courses related to leadership and diversity, leadership and organizational change, and access to educational opportunities topics which he has previously taught at Appalachian State and Sonoma State universities. His professional goals and scholarly activities focus on working with underrepresented groups in education, especially African American and Latino students. He is concerned about public education, which seems to leave many children behind while others race to nowhere. “Why is it that some school and classroom settings make it possible for some students to succeed while others fail?”

E-mail: | Phone: (760) 750-8535


William Billingsley

 Bill Billingsley is the Assistant Superintendent of Human Resources and Communication for the Fallbrook Union Elementary School District. During his time spent at FUESD, he has served as an elementary teacher, a middle school teacher, a Lead Teacher, Assistant Principal, Principal, Director of Student Services, and Assistant Superintendent. He is a two-time graduate of CSUSM, and is proud to work closely with the CSUSM Student Teaching Cohort located on the Maie Ellis Elementary Dual Immersion School campus. He is excited to be returning to CSUSM to teach and mentor future school leaders.



Delia EstradaDelia Estrada, PhD, currently serves as administrative coordinator for the Professional Learning and Leadership Development branch with LAUSD. In her over 30 years as an educator, she has served as Associated Administrator of Los Angeles representative for Local Options Oversight Committee, Principal of Taft H.S. in Woodland hills, assistant principal, specialist, and a middle/ high school teacher. She is committed to using the tools of cultural proficiency to build safe environments for educators to engage in fierce conversations and reflective practice to build outstanding educational experiences for all children. She received her Ph.D. from Claremont Graduate University in 2017.


Josie JacksonDr. Josie Jackson has served the Perris Elementary School District since 2002.  She has worked as a Classroom Teacher, Projects Resource Teacher, Assistant Principal, Principal, Human Resources Coordinator II, Director of Human Resources, and currently serves as Assistant Superintendent of Human Resources.  Josie joined CSUSM in 2017 as a part time Lecturer for the Master’s in Educational Administration Program. Josie’s passion is to serve students in diverse communities, and to provide them with the tools for success through education. She currently works in her position at the district level, to ensure and support cultural proficiency for all students.  Her dissertation research focused on “Culturally Responsive Teaching for Diverse Students: Inherent Dispositions and Attitudes of Effective Teachers”. Josie holds a Doctor of Education in Educational Leadership from CSUSM and USCD’s Joint Doctoral Program; a Master of Arts Degree in Educational Leadership and Administrative Services credential from Chapman University; and a Bachelor of Arts Degree in Liberal Studies and Multiple Subject Teaching Credential from CSUSM.  


Theresa MeyerottTheresa Meyerott, Ed.D., graduated from the University of California at San Diego with a B.S. in Biochemistry and Cell Biology, received a M.S. in Psychophysiology and Biofeedback from Alliant International University, and Ed.D. in Educational Leadership with an emphasis in Social Justice from the University of California at San Diego (UCSD) and California State University San Marcos (CSUSM).  She holds a single subject teaching credential in science and health, a clear administrative services credential, professional development, and special education law certifications. Dr. Meyerott is the Executive Director for The Alliance to Accelerate Excellence in Education. The Alliance is a regional collaboration between CSUSM, community colleges, and K-12 school districts that focuses on a comprehensive and comprehensible pathway to college access and success. In addition, Theresa continues her enjoyment with teaching as a regular lecturer for the Joint Doctoral Program in Educational Leadership with both UCSD and CSUSM and teaches in the fully online MA.ED. at CSUSM. Over the past 23 years, Dr. Meyerott has held a variety of positions in public education ranging from community college director, classroom science teacher, district administrator and state accountability coordinator.  Theresa is an achievement-focused K-16 administrator with a career focused on empowering teachers, staff, and students to succeed. A skilled leader of research-driven initiatives, including professional development, teacher training, special education, curriculum improvement, Local Control Funding Formula, Local Control Accountability Plan, Western Association of Schools and Colleges, Title 1, and other State and Federal programs that improve students’ educational development and academic success.  Dr. Meyerott believes all students can learn with innovatively designed programs, curriculum, and instructional strategies implemented to accommodate the diversity of learners today. This successful learning environment can be achieved through high expectations, clear goals, and collaboration with students, educators, and community stakeholders. In Theresa’s extra time she is a scuba diving instructor, volunteers with environmental education organizations, and serves as special education advocate. 



Sean Nank

 Dr. Sean Nank earned a Ph.D. at the University of California Riverside. He received the Presidential Awards for Excellence in Mathematics and Science Teaching (PAEMST) in 2009 for mathematics from California. He has published two books titled Testing over Teaching: Mathematics Education in the 21st Century and The Making of a Presidential Mathematics and Science Educator, has published numerous articles, was a lead in writing the world’s first cloud based open source CCSS-M aligned K-8 texts (, and is currently working on his third book. He has worked in leadership positions with the United States Department of Education, White House Office of Science and Technology Policy, National Science Foundation, California Department of Education, California Commission on Teacher Credentialing, and Smarter Balanced Assessment Consortium. He was appointed to represent the USA at the International Congress on Mathematical Education in Korea as the mathematics assessment expert, which culminated in a congressional address as to the current state of mathematics education in the USA. Sean Nank is the President and Program Chair of the Greater San Diego Mathematics Council. He has been a coach, Domain Specialist, and is currently a Facilitator and ambassador for LearnZillion. He also continues to consult for various districts across the country at the elementary, middle, and secondary level training teachers and administrators. Topics include transitioning to CCSS-M while aligning classroom and district curricula, pedagogy and assessments in a coherent manner using technological resources. His current research agenda includes how teachers negotiate the balance between the procedural, conceptual, and application via technological resources. Sean has been on numerous conference planning committees. He is currently the chair for a national educational summit in Washington, DC which will include Presidential awardees and members of various state and national educational agencies.



Brieahna Weatherford

 Dr. Brieahna Weatherford is the Principal of Oak Crest Middle School, in the San Dieguito Union High School District. During her career in education, Dr. Weatherford has served as an AVID, English Language Development, Health Sciences, Mathematics, Spanish, and Sheltered English teacher, at both the middle and high school levels, as a Teacher on Special Assignment, focused on student attendance, data/testing, and technology for 21st century teaching and learning, and as both an assistant principal and principal. Her doctoral research focused on the preparation of preservice teachers for effective technology use, and her areas of interest and expertise focus on quality instructional practices, effective and purposeful technology implementation, and providing opportunities for all students to experience educational success. Dr. Weatherford joined the faculty at the CSUSM School of Education in 2017.