High Tech High
  • Justine Aldridge Accounts Receivable Manager
    Justine Aldridge
    Accounts Receivable Manager

  • Veronica Alvarez Grajeda Director of Operations
    Veronica Alvarez Grajeda
    Director of Operations

    Veronica has been at HTH for nine years and works on a variety of operations-related projects at HTH from reporting for state and federal programs and liaising with our authorizers to overseeing the school lunch program and HTH admissions. Before coming to High Tech High, Veronica was a founding staff member of KIPP San Francisco Bay Academy and directed an academic enrichment program in San Francisco. She has a Masters of Public Administration in non-profit management and institutional analysis and education policy from Columbia University's School of International and Public Affairs. Veronica was born and raised in Washington, DC and earned a BA in Spanish and Latin American studies from Barnard College.
  • Sarah Barnes Ed Specialist Program Manager
    Sarah Barnes
    Ed Specialist Program Manager

    Sarah joined High Tech High in 2007 and has enjoyed working as both a general education teacher and an Ed Specialist at the K-12 level. Sarah has spent her career looking at school cultural practices that create opportunities for diverse learners to engage in classrooms together and feels most fulfilled when the lines between special education and general education are blurred. Sarah was awarded a Fulbright- Hays grant to study diversity in education in Brazil; specifically the inequitable systems that historically have marginalized indigenous and afro-brazilian communities. Her work in inclusion has also been informed by the semester she spent in Northern Uganda. Sarah participated in a teacher exchange program while supporting educational practices that integrated students who had experienced trauma into the classroom and community. Sarah maintains a multiple subject teaching credential, a single subject English credential, as well as her special education (ed specialist) credential with Autism authorization. She holds a Masters of Arts in Special Education.

    As Ed Specialist Program Manager Sarah supports inclusion and Special Education programs across the thirteen High Tech High schools and works with the High Tech High Credentialing program to implement professional development, coursework, and mentorship for new Ed Specialist teachers. Sarah also co-teaches the Inclusive Classrooms course for the HTH Graduate School of Education. She lives in Ocean Beach with her math teacher husband and their beautiful two year old daughter.
  • Joanna Clark Data Systems/CALPADS Administrator
    Joanna Clark
    Data Systems/CALPADS Administrator

    Joanna Clark, a San Diego native, has worked in the field of education for over 11 years. She began working as a Special Education Technician at Lindbergh Schweitzer Elementary. She instructed elementary-aged children on the use of augmentative devices and computer software. Later with the San Diego Community College District, she worked in the Welfare-to-Work program developing programs for working mothers to complete their education through distance education courses. Joanna holds a Master's degree in Education and a Pupil Personnel Services Credential. Currently she is working towards her Doctorate in Education, emphasis in Technology and Learning.
  • Ben Daley Chief Academic Officer
    Ben Daley
    Chief Academic Officer

    Ben Daley is the chief academic officer for High Tech High. He acts as an advisor to fifteen high school students and teaches and advises students in the HTH Graduate School of Education, where he is the Director of Clinical Sites. Ben joined High Tech High to teach physics as a founding faculty member in fall 2000. He was the second director of High Tech High Original Recipe.

    A New Hampshire native, Ben wisely moved to San Diego, CA at the first opportunity. As a student at Haverford College, Ben majored in physics and was credentialed in secondary physics and math. After graduation, he traveled to the Philippines and taught science and math at an international school in Manila. Upon his return to the U.S., he taught physics and AP physics at the Madeira School, a girls boarding school in suburban Washington, D.C. He then moved to California to coach basketball and to teach physics at Pomona and Pitzer Colleges. He earned an M.A. in science education at University of California, Santa Barbara and is currently pursuing a doctorate in educational leadership at University of California, San Diego. He is a member of the fifth class of the Aspen-Pahara Education Fellows and a Fellow of the Aspen Global Leadership Network. Ben is the proud parent of a boy (Coleman) and a girl (Greer).
  • Paul Dooley Director of Facilities
    Paul Dooley
    Director of Facilities

    Paul Dooley, HTH Director of Facilities, has over 30 years of experience in real estate development and construction.  Paul has a Bachelor of Architecture from Cal Poly San Luis Obispo, and has been a licensed General Contractor since 1988.  Prior to coming to HTH, Paul was a partner in a development company that built single family homes and condominiums in Southern California.  Paul joined HTH in 2008, and has overseen the development and construction of the Chula Vista and San Marcos campuses, as well as HTe in Point Loma.  Paul also oversees the maintenance of all HTH facilities.
  • Susan Edge Business Manager
    Susan Edge
    Business Manager

  • Luis Elizarraraz Maintenance Manager
    Luis Elizarraraz
    Maintenance Manager

  • Felicia Hamwey Accounts Payable Manager
    Felicia Hamwey
    Accounts Payable Manager

  • Patrick Hayman Web Developer
    Patrick Hayman
    Web Developer

    Patrick develops user-friendly web-based applications for multiple audiences including students, staff, donors, and those interested in learning more about the High Tech High community.

    Patrick received his Bachelor of Fine Arts from the University of Arizona and did post graduate work there and at Northern Arizona University.
  • Maria Heredia Chief Operations Officer/General Counsel
    Maria Heredia
    Chief Operations Officer/General Counsel

    Maria Heredia’s work focuses on supporting innovative and effective educational opportunities for students and teachers.  She has been actively involved with charter schools and education nonprofits in California for twenty years.  She works with High Tech High in the dual role of Chief Operations Officer and General Counsel focusing on school operations and policy. Previously Maria served as Senior Vice President of Legal Advocacy and General Counsel to the California Charter Schools Association. At CCSA, Maria worked to expand advocacy efforts on behalf of California charter schools, while leading an action that significantly increased the facilities available to children attending charter schools in Los Angeles. Prior to that she worked in private practice. Maria has enjoyed teaching graduate level classes in education law and policy and volunteering with local nonprofits.  She is a graduate of Stanford Law School where she focused on the Lawyering for Social Change curriculum, and Harvard University where she earned an A.B. in American History and Literature.
  • Julie Holmes Director of Credential Operations
    Julie Holmes
    Director of Credential Operations

    As Director of Credentialing Operations, Julie Holmes oversees the High Tech High (HTH) Credentialing programs.  She’s responsible for the ongoing management of the HTH Preliminary and Clear teacher credential programs; advisement, certification and compliance issues; and the development of new programs within the California credentialing system.  

    Born in Louisiana and raised in Texas, Julie graduated from Baylor University and then earned her teaching credential at the University of Texas, El Paso. Over the years, Julie has worked as an elementary teacher in private, district, and charter schools spanning Texas, New York and California. In 2008, Julie began working for the High Tech High Charter Organization, an integrated network of thirteen K-12 schools offering accredited, in-house, teacher certification programs and a Graduate School of Education.

    Julie is a proud member of the HTH Credentialing Team, Credential Counselors & Analysts of California and holds her Leading Edge Certification for Online & Blended Teacher Training.  Julie is passionate about the value of teacher education and is committed to preparing California K-12 teachers.
  • Marci Jubelirer Associate Director of Special Education
    Marci Jubelirer
    Associate Director of Special Education

    Marci Jubelirer happily landed in San Diego in the summer of 2013.  She relocated from Park City, Ut to join the 2013-1014 cohort of the HTH Graduate School of Education School Leadership Master's program. Marci was the only student in the program who continued her job as a School Leader while she completed her master's degree here. It was a crazy year of going back and forth from Utah to San Diego and in the end she fell in love with High Tech High and decided to stay.

    Marci was formerly the Head of School at Daniels Academy, a boarding school specializing in students diagnosed with ASD.  It was a challenging and rewarding position and she loved working with this very interesting group of students.  Prior to School Leadership Marci was a Family Therapist in a group private practice and also in a Therapeutic Boarding School for at-risk students. As a therapist she specialized in working with families with one or more member with special needs. She began her career as a Special Education teacher which seemed to spark a life long curiosity about how students learn, how their brains works and how adults can best lead students into finding their gifts and passions.

    Marci currently works to support the special education programs and staff in all thirteen High Tech High Schools. She loves witnessing the growth of both students and adults in the HTH community.

    When she is not at work Marci loves spending time with friends and family spread across the country. She loves Yoga and tries to practice several times a week. She is an unapologetic gypsy and travels everywhere and anywhere. Her current passion is exploring San Diego with her six year old granddaughter who attends High Tech High.



  • Cindy Kim Executive Assistant
    Cindy Kim
    Executive Assistant

    A native San Diegan, Cindy graduated from Clairemont High School and attended Kelsey-Jenney Business College and Grossmont Community College. She has over 18 years of experience in a variety of administrative capacities. Before becoming a full-time stay-at-home mom, she was a keypunch operator in the data-processing departments for Fed-Mart and then at the Naval Undersea Center in Point Loma, known today as SPAWAR. The now out-dated IBM keypunch machines were Cindy's first experience using computer technology.

    Cindy worked for the San Diego City Schools in various roles for ten years, as the School Improvement Coordinator at Benchley-Weinberger Elementary School, in the Placement and Appeal Department, and in the School-to-Career Career Development Office. Before coming to High Tech High, she was the administrative assistant to the Director of the Business Roundtable for Education at the San Diego Regional Chamber of Commerce. Cindy has been with High Tech High since its inception. She is the Executive Assistant to the CEO.
  • Wendy McDonald Registrar
    Wendy McDonald

    Wendy grew up in San Diego and received her Bachelors Degree in Animal Science from Cal Poly San Luis Obispo and went on to get a certificate from The Exotic Animal Training and Management Program in Moorpark, California. From there she worked as an Elephant Trainer in Vallejo, California. After two and a half years as a trainer she made the decision to move back to San Diego. While waiting to get a job at the San Diego Zoo, she started to work at HTH. Although she eventually got a job at the Zoo her heart brought her back to HTH. Now, many years later she is the Associate Director of College Relations and Registrar for all 11 High Tech High schools.
  • Michal-Lynn O'Kelley Director of Athletics and Wellness
    Michal-Lynn O'Kelley
    Director of Athletics and Wellness

  • Ericka Olson Facilities Assistant
    Ericka Olson
    Facilities Assistant

  • Marisela Ortiz Program Manager
    Marisela Ortiz
    Program Manager

    Originally from Ventura County, Mari Ortiz moved to San Diego in 2008 to begin her undergraduate studies at the University of California, San Diego (UCSD). She graduated in 2013 with a BA in Sociology with an emphasis in Law and Society and two minors in Political Science and International Migration Studies. While at UCSD, Mari participated in the Mexican Migration Field Research Program (MMFRP) through which she studied occupational health in both Mexico and the U.S. After graduation, Mari worked in the legal field, most recently, Procopio, Cory, Hargreaves, and Savitch, LLP. She brings her legal background to High Tech High and assists the Chief Operations Officer/General Counsel with the implementation of various organizational projects and programs.
  • Kristy Renken Payroll and Benefits Manager
    Kristy Renken
    Payroll and Benefits Manager

    Kristy has been with High Tech High since February 2008 and manages the employee payroll and health benefits for the organization.
  • Larry Rosenstock Chief Executive Officer
    Larry Rosenstock
    Chief Executive Officer

    Larry Rosenstock is the founder and CEO of High Tech High, a network of public charter schools focused on project-based learning.

    Larry taught carpentry in urban high schools for eleven years before working as staff attorney at the Harvard Center for Law and Education. Returning to public schools, he served as Director of the Rindge School of Technical Arts and then Principal of Cambridge Rindge and Latin School.

    Mr. Rosenstock directed the New Urban High School Project of the U.S. Department of Education. He has served as a lecturer at the Harvard Graduate School of Education and a Visiting Associate Professor at UC Berkeley School of Education.

    Larry is the recipient of the Ashoka Fellowship and the McGraw Prize in Education, and serves as an advisor to numerous commissions and boards nationally and internationally. He holds a JD from Boston University Law School, an M.Ed from Cambridge College, a BA from Brandeis University and a Doctor of Letters, Honoris Causa from Cambridge College.

    High Tech High Learning now comprises twelve K-12 schools, a teacher-credentialing program, and a graduate school of education.
  • Jenny Salkeld Chief Financial Officer
    Jenny Salkeld
    Chief Financial Officer

  • Daren Sefcik Director of Information Technology
    Daren Sefcik
    Director of Information Technology

    Daren was born in Oceanside, CA and has lived in San Diego all of his life. During his youth he traveled to many parts of the world and at the age of 19 he married in Caracas, Venezuela and has been married for 21 years and has 3 boys who all attend High Tech High schools.

    After 14 years of owning and operating a motorcycle repair business he realized computers and technology were the future and in 1995 started his technology career as a UNIX Systems Administrator for a San Diego based Sun Microsystems VAR. 11 years later he joined the High Tech High team as the Director of Technology. Daren has been involved with many aspects of computer technology ranging from java programing to SQL database design and network security. He has also contributed to many Open Source projects over the years.
  • Emilio Torres Director of Special Education
    Emilio Torres
    Director of Special Education

    Emilio joined HTH in 2012 as a middle school math and science teacher. In 2014 he took over as Director of High Tech Middle North County, before assuming his current role as Director of Special Education for all HTH schools. Prior to his work in education, Emilio practiced law in Chicago and New York City. Outside of work, he enjoys surfing, music, and spending time with his wife and son at Legoland, the Antique Gas & Steam Engine Museum, and Balboa Park.
  • Michelle Valles Admissions
    Michelle Valles

    Michelle formed part of the first graduating class of High Tech High Media Arts in 2008 and is delighted to work with High Tech High. Michelle attended San Diego State University where she received her undergraduate degree in Philosophy. This will be Michelle's third year working as the admissions and outreach coordinator for all the 13 High Tech High Schools. Michelle knows from personal experience what High Tech High has to offer for its students and is passionate about sharing the HTH experience with the local community.