Meet our Corona Tutoring Staff

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Great Teachers Inspire

Our tutors and staff in Corona/Norco consist of passionate educators who love inspiring children to succeed. Warm, caring and great at relating to kids, our tutors in Corona know how to engage and motivate each child in a personal way—building confidence and smiles, as well as skills and better scores. We selectively choose tutors who know local curriculum and can link Sylvan lessons to what’s being taught in school. Get to know our tutors and staff in Corona/Norco!

  • Kulvinder Griffin, Executive Director

    Kulvinder Griffin

    Executive Director

    Kulvinder Griffin received her Bachelor of Arts and Teaching Credential at Minot State University in Minot, North Dakota. She taught grades three through five before becoming a Reading Recovery teacher. Kulvinder has been with Sylvan for over fifteen years in the positions of Teacher, Test Administrator, Director of Education and Center Director in the Diamond Bar, Chino Hills, Claremont, Glendora and Chino centers. As the new owner of the Corona Center, Kulvinder is very excited to work with the students, parents, and the community. When not working, you will find Kulvinder trying to keep up with her two young sons Brycen and Shane.
  • Lauren Rios, Director of Education

    Lauren Rios

    Director of Education

    Lauren received her Bachelor’s degree in General Education from the University of Southern California. She has worked with Sylvan for almost 10 years now, starting as a Teacher and then as Director of Education. She enjoys getting to know the families and students, and supporting their growth. When Lauren isn’t at Sylvan, she’s trying to keep up with her two young daughters.
  • Juanita Bergreen, Instructor

    Juanita Bergreen

    Instructor

    Juanita is a instructor in Corona, CA with a gift for working with kids. While Juanita has many tutoring talents, she finds the greatest joy in math tutoring. She earned her bachelor's degree at Utah State College. When Juanita isn’t at Sylvan, you’ll find her reading, biking, and traveling.
  • Courtney Fischer, Instructor

    Courtney Fischer

    Instructor

    Courtney received her BA in Literature from UC Irvine and her Masters in Education from National University. Courtney specializes in our reading and writing programs. She loves to inspire others to explore the art of literature and the written word. When Courtney isn't at Sylvan, you'll find her exercising, writing, and going on adventures.
  • Peace Dada, INSTRUCTOR

    Peace Dada

    INSTRUCTOR

    Peace received her Bachelor's Degree in Mathematics from the University of California, Riverside. She specializes in our math, reading and SAT Math programs. Peace is passionate about helping students grow and overcome their learning obstacles. When Peace isn't at Sylvan, she enjoys spending quality time with her friends and family.
  • Shaina Letbetter, Instructor

    Shaina Letbetter

    Instructor

    Shaina has been a paraeducator for the Corona-Norco Unified School District since 2014. She has received a Bachelor’s Degree from Cal Poly Pomona. Though Shaina has many tutoring talents, she enjoys helping children with reading and writing the most. Shaina likes to teach the students to do their best and takes pride in seeing them learn and grow in confidence. When Shaina isn’t at Sylvan, she enjoys reading, crafts, and archery.