About Us » Administration


Meet Our Administration

Jennifer Burton 
Assistant Principal & Teacher 
Bio Coming soon.... 
Leslie Shebley
Co-Founder & Director of Flex-Based Academies 
Leslie is the Co-Founder & Director of Flex-Based Academies. Prior to working at Kairos Public Schools, she worked as an Instructional Manager at Buckingham Charter Magnet High School (BCMHS), now Buckingham Collegiate Charter Academy, for five years, supporting students through their BCOL independent study program. Leslie also helped launch Kairos Public School Vacaville Academy. In previous years, Leslie has lead trainings on learning and teaching styles with an emphasis on supporting individuals at all levels. As a result of being home schooled herself (from K-12), she has a passion for helping families to succeed by providing a quality education that fits the specific needs of each student.
Betsy Madigan
Director of Student Services 
Betsy Madigan graduated with a degree in Psychology with an emphasis in Child Development from UC Davis. She then went on to obtain her teaching credential and earn her Master’s Degree in Education from the University of Missouri, St. Louis. She is also in pursuit of a Master’s degree in School Psychology with Alliant International University. She started her career in education at The Center for Child and Family Studies at UC Davis. She then went on to work at St. HOPE Public Schools, where she again worked in Early Childhood Education. She then made the gigantic leap across the country, and in age, to teach middle school English Language Learners in Kansas City Public Schools (KCPS). While working for KCPS she was appointed as the Behavior Intervention Support Team Coordinator for middle school. She then returned to California and worked at Capitol Collegiate Academy (CCA) in Sacramento, where she taught 2nd and 3rd grade. As a Founding Teacher she developed 3rd Grade Common Core aligned reading, writing and math curriculum. That same year, on the first Smarter Balanced Assessment Consortium (SBAC) in 2015 Mrs. Madigan’s students outscored Sacramento City Unified School District in both ELA and Math. In that class each of her students with a disability scored proficient. Mrs. Madigan was then appointed to be the Director of Student Services at CCA. As the Director of Student Services she oversaw the Special Education Program, managed the Mental Health and Restorative Justice programs, was the English Language Proficiency Assessments for California (ELPAC) Coordinator, and coached teachers. In her time in this role she developed an inclusive Special Education program that that helped ALL learners achieve in the academic setting, Mrs. Madigan joined the Kairos family in the Summer of 2019 as the Special Education Coordinator. 
Jared Austin 
Co-Founder & Superintendent/CEO 
As a California State University of Sacramento graduate, Jared Austin began his teaching career in the Vacaville Unified School District.  Mr. Austin soon advanced into the role of Coordinator of Student Services at Buckingham Charter High School, in Vacaville, and then was recruited by Natomas Charter Schools, in Sacramento, as a site principal.  Currently, Mr. Austin is the Executive Director and Co-Founder of Kairos Public Schools, in Vacaville, California. Mr. Austin believes in getting scholars to take responsibility for their community and this belief is modeled through his own actions. Additionally,  Mr. Austin has served as an adjunct professor at Touro University’s Educational Leadership department,  He has also received multiple honors for achievements in leadership and innovation. Currently, Mr. Austin serves on the Vacaville Public Education Foundation Board, the California Charter School Association (CCSA)  Capitol Advocacy Leadership team. In November 2017, Mr. Austin was appointed by the California State Board of Education to serve on the Advisory Commission on Charter Schools.  The Commission provides recommendations to the California State Board of Education on statewide charter related matters.
Alexis Granzella 
Assistant Coordinator of Special Education 
Bio Coming Soon... 
Jon Sibug
Operations & Accountability Coordinator
Jon Sibug was raised in the Bay Area Peninsula, a first-generation Filipino-American. After graduating with a Bachelor of Arts in Religious Studies from UC Berkeley in 2004, he moved to Vacaville to pursue pastoral and teaching opportunities. His background includes work focusing on community and connectivity. Jon served on the Kairos Board of Directors as an advisor and board member from 2020-2022 before joining the team as the Operations and Accountability Coordinator. Jon has a background in private schools, charter schools, and homeschool. Jon’s interests include leadership development, smart technology, and anything related to the creative arts.