Terence Johnson, CEO
Terence comes to Caliber with more than 30 years of experience in all aspects of education. He began his career as a teacher, athletic director, and Principal in Colorado Public Schools, before moving to Houston where he led the turnaround of schools in underserved communities. Terence then moved on to the KIPP Foundation leadership team, where after serving 12 years as Senior Director of Leadership, Terence joined KIPP Memphis as Chief Schools Officer, and eventually returned to Houston as Head of Schools for KIPP Houston. Terence says that he is “very excited about the opportunity to work with the Caliber team, parents and students to continue making Caliber Schools a place that exemplifies excellence and continues to prepare our learners for their next steps.”
Rachael Weingarten, Chief Schools Officer
Mrs. Weingarten started her career in education as a 2nd-6th grade teacher in Tucson Arizona, to Detroit Michigan, to Los Angeles California. She served as a Dean at KIPP Empower Academy for 3 years. Mrs. Weingarten then headed to Vallejo and was the founding Principal of Caliber: ChangeMakers Academy for 5 years. She drove instructional excellence by setting aspirational goals, defined and communicated a consistent vision for the school, and created a culture of high expectations and continuous improvement with a relentless focus on SEL, student achievement, operational efficiency, and self-improvement. Over the last 2 years Mrs. Weingarten has served as Calibers Head of Schools. She has worked to create an inclusive leadership model to drive the entire Caliber Network Strategic Planning Process for the 23-24 school year that includes inquiry and deep engagement of current challenges with all stakeholders. Mrs. Weingarten holds a masters degree in Educational Leadership with a focus on Urban Education from the University of Southern California.
Markus Mullarkey, President
Markus Mullarkey comes to Caliber after a long and successful career in the private sector. He spent over 15 years in marketing and leadership roles at successful blue-chip companies such as Proctor & Gamble, the Boston Consulting Group, and CNET Networks. And he founded and grew his own mobile entertainment start-up for 8 years before joining Caliber. Markus has a passion for K-12 education, having consulted to EdTech companies in the sector and having served as a fundraising board member at his daughter’s school. He also has a lifelong connection to the East Bay. He grew up and went to school in Richmond and Albany and now lives with his wife and two daughters only a few miles from Caliber:Beta Academy. Markus graduated from Harvard College and went on to complete an MBA and a post-graduate Finance Fellowship from Harvard Business School.
Aisha Ford, Managing Director of Teaching and Learning
Aisha Ford is a lifelong educator, she has worked with students, families, and community partners in the pursuit of equitable education for all students. Aisha provides leadership development and coaching for school teams, the teachers they support and communities they serve. Aisha entered education as a Kindergarten teacher and has held roles as Instructional Coach, Assistant Principal, and Principal. Aisha holds a Masters degree from Johns Hopkins University in Early Childhood Development and Leadership. She has worked with and for Teach for America, 4.0 schools, Prince George's County Public Schools, KIPP DC and Rocketship Public Schools in service of over 2,500 students.
Alyssa Wheeler, Managing Director of Special Education and Student Services
Alyssa has worked in public Special Education for the past 12 years, supporting Neurodivergent and Disabled youth and their families, educators, and service providers in advancing the achievement and inclusion of our diverse learners. She received her B.A. from Cornell University in History of Art and fell in love with teaching through her work as an Art Museum Educator. She went on to work as an Ed Specialist for Chicago Public Schools and to receive her Master's in Special Education. After moving to California, Alyssa worked for Aspire Public Schools, supporting 12th graders with IEPs in their transition to post-secondary opportunities and acting as an ELA Common Core Driver, advancing curriculum development and standards alignment for the Network. Settling into the Bay Area, she found herself at home conducting evaluations at Caliber Beta Academy, joining on as a Lead Ed Specialist for our Upper School, and then serving as the Program Specialist for 5 years. Alyssa joined the Caliber SSO Team to continue to promote equitable, quality education for our students, support our Network’s commitment to Social Emotional Learning and student wellbeing, and to carry on the legacy of her late mentor and Caliber's former Director, Gwen Agustin. Alyssa is passionate about affirming marginalized identities and is deeply committed to inclusion and social justice in education. Outside of work, Alyssa is a certified mindfulness and yoga instructor, and she enjoys art, music, traveling, and time with her friends and family.
Devin Gross, Managing Director of Operations
Devin comes to Caliber Public Schools with over 10 years in the education field and 15 years overall leadership experience. A native of Washington DC, Devin spent 6 years as the Youth and Family Services Director at the Alexandria YMCA running after school programs and summer camps for over 200 students. After spending some time in retail management and moving to California, Devin has spent the last 4 1/2 years at Rocketship Public Schools as a Business Operations manager helping to grow its East Bay region and founding a TK-5th grade school (Rocketship Delta Prep) in Antioch,CA. Devin is a people person and is dedicated to serving school communities through innovation and teamwork through operational systems and routines. Devin is super excited to be with Caliber and help continue to impact our students and communities in a positive way.
Katherine Hendrickson, Managing Director of Strategy
Katherine has spent the last thirteen years working and learning in excellent public high schools. She began her career at the Denver School of Science and Technology, one of Colorado’s top public high schools for traditionally underserved students. Katherine served the network content lead for Social Studies and her students earned the highest AP scores in the city. While serving as the Academic Dean at Leadership Public Schools in Richmond, California, the academic program was recognized by US News and World Report to be among the nation’s top 1% of public high schools. 77% of 11th graders met or exceeded standards on the SBAC- ELA, more than doubling the proficiency of neighboring high schools. Katherine has also worked for the XQ SuperSchool Project, a $131 million philanthropic effort to redesign the American high school, and has led redesign efforts for non-profit organizations, including the Presidential Leadership Class at the University of Colorado - Boulder. She holds an MA in Curriculum and Instruction from the University of Colorado – Denver and an MA in Organizational Leadership from Stanford University.
Cormac Harkins, Head of Data, Research & Analytics
Cormac is returning to Bay Area after spending a year back at his home in Boston where he earned a M.Ed in Educational Research, Measurement, and Evaluation from Boston College’s Lynch School of Education. Prior to graduate school, he worked in San Francisco at Breakthrough Collaborative as Manager of Research and Evaluation where he supported the internal evaluation process for Breakthrough’s students and teaching fellows across the country. Before moving to Bay Area, Cormac worked (and lived) at the Match Charter High School in Boston where he tutored students, coordinated the after-school program, and helped coach the basketball team. He graduated from Notre Dame with a degree in Anthropology.
Matt White, Head of Data and Assessment
Matt started his teaching career as a founding 6th Grade ELA teacher with KIPP Memphis Public Schools. Since then, Matt has worked in nearly every school role from Dean, Assistant Principal, Director of Operations, and now as Head of Data and Assessment. As Head of Data and Assessment, Matt focuses his work on creating structures and systems that maximize technology to provide the best possible outcomes for students and to make teachers' lives easier day in and day out. Matt holds a Bachelor's Degree in English from Colby College in Waterville, Maine and a Master's in Education Studies from Johns Hopkins University in Baltimore, Maryland. Outside of work, Matt enjoys spending time with his partner, Jocelyn, their two dogs, and rooting for Boston sports teams.
Sarah Strom, Head of People
Sarah joins Caliber with 15 years of experience in education. She began her career as a 4th and 5th grade teacher with the District of Columbia Public Schools. After teaching she became a teacher coach, coaching MS ELA teachers in Washington, D.C. She began working with charter schools as the Director of the Capital Teaching Residency at KIPP DC where over five years she worked with schools to train over 400 new teachers. At KIPP DC Sarah also worked as an Elementary School Assistant Principal. She recently moved to the Bay Area with her husband and young daughter, Mari. She is involved with everything related to recruiting and hiring, as well as taking part in organizational strategy, teacher sustainability, professional development, and all things communication. Sarah got her undergraduate degree from Northwestern University, her teaching degree from American University in Washington, D.C. and recently received her MBA from the University of North Carolina, Chapel Hill. In her free time, she enjoys almost every kind of work-out, hiking, spending time with friends and family, and cooking or being inspired to cook by watching cooking shows.
Emily Perea, Data Operations Manager
In 2017, Emily Perea, started her dedication to the field of education in Southern California. Her journey began as a community liaison, bridging connections between schools and their neighborhoods. Her organizational prowess shone as an office manager, ensuring seamless operations within the educational environment. Her teaching journey began as a dynamic Spanish teacher, fostering cultural understanding and language proficiency. Emily's passion for diverse education led her to teach 9-12 electives, contributing to students' holistic growth. Now, in her third year at Caliber, she thrives as a Data Operations Manager, meticulously overseeing student attendance and compliance through CalPads and her work with our networks front office teams. Beyond her professional achievements, Emily finds joy in the company of her partner and new Dalmatian puppy, sharing memorable moments camping, savoring culinary delights, and exploring California's breathtaking coastal landscapes.
Alex Granados, Payroll and Benefits Lead
Andy Santiago, Marketing Communications and Engagement Lead
Andy is a Los Angeles native with a strong Mexican-American heritage. He earned his BA in Media Studies and Performance Studies Minor from the University of California, Berkeley in 2020. Andy has work experience in non-profit, startup, and international (Singapore) environments that has allowed him to gain knowledge on intersectionality, and the importance of wanting to better a community. During his time at Berkeley, Andy was involved in a handful of leadership positions within dance organizations at Cal to showcase the importance of the arts for one’s individual health. Andy has always been interested in the education realm and joined Caliber in 2020 as an Operations and Administrative Coordinator. He is excited to use his knowledge to implement processes and support the network reach new goals as he enters his 4th school year in education.
Eva Padilla Romero, Operations and Accounting Lead
Eva Padilla Romero was born and raised in South Central, Los Angeles where she attended school until she graduated high school in 1997. Eva moved to the Bay Area in 1997 to attend UC Berkeley and graduated with a BA in Spanish Literature. She fell in love with the bay and now lives in Richmond with her husband and three daughters. Since 2004, Eva has dedicated her life to working with youth in various capacities professionally and personally.
Vicente Salinas, Network Facilities Lead
My name is Vince, I grew up in Sonoma County - Petaluma to be exact! I started my career in aviation maintenance, in my early adulthood by obtaining my airframe & power-plant certification, then my inspector authorization license and then became an instructor at AIM, a school for aviation. I later had my own aviation shop where I serviced airplanes alongside my son. I have two amazing adult children. I moved back home (meaning I stopped the long commutes to the South Bay) about two years ago and started working at Lagunitas Brewing Company in Petaluma as a maintenance engineer. In my free time, I helped Caliber Beta Academy with operations & facility maintenance. Like making sure we are up to code with the fire marshal inspection to putting up window privacy film and fixing ceiling tiles. Which led me to working for the SSO (Caliber) full time.
Feel free to say hi anytime you see me on campus!
Wendy Villalobos, HR and Credentialing Lead
Wendy Villalobos is a Mexican-Salvadoran Xicana, born and raised in Los Angeles. She received her Bachelors of Arts from the University of California, Berkeley ℅ 2015 with a Major in Spanish and Portuguese Latin American Literature and an Education minor focused on the politics of students of color in the U.S. education system. Wendy has worked with educational institutions for over 10 years in a range of capacities from high school college counselor to school administration. Before joining the Caliber team, Wendy worked at consulting firms exploring the various tech innovation ecosystems in North America. She is involved in continuous outreach and advocacy work towards demystifying higher education in underserved communities and is a board member for the UC Berkeley Chicanx/Latinx Alumni Association. Wendy is thrilled to join the Caliber team as the HR and Credentialing Lead.
Favorite quote: “Enseñar, es enseñar a dudar” — Eduardo Galeano
Edith Saavedra, Student Services Associate
Vivian Hinojosa, Human Resources and Executive Assistant
Vivian is an Oakland native and alumni of Sacramento State University with a degree in Criminal Justice. Vivian is dedicated to giving back and empowering the youth. She gained valuable experience in supporting and guiding young individuals through support groups and empowerment initiatives in her previous employment. She joined Caliber ChangeMakers Academy Operations Team in 2021 and has played a vital role in providing support to students and families, especially within the Latinx community where language barriers often exist. Now, stepping into the role of HR and Executive Assistant, Vivian is excited to utilize her skills and continue her mission of making a positive impact.