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The People Behind the Progress

Meet the Diamond Bar team

Certified teachers, local school know-how, and a director who reviews every student’s plan personally. These are the people your child will high-five on the way in.

Yvonne Tam
Center director

Yvonne Tam

Director

Yvonne earned her bachelor of science in Anthropology from the University of La Verne. She first started as a teacher at Sylvan in 2014 helping students with math, reading, writing, test prep, and homework support. Then in 2021, she started working at Sylvan of Diamond Bar. Previous to Sylvan, Yvonne was a Youth Education Leader with the Boys & Girls Club of San Bernardino. She worked with students in the San Bernardino City Unified School District providing afterschool care and enrichment. Yvonne has 10 years of experience tutoring elementary school-aged children and enjoys experiencing the joy of seeing students have fun while learning. She loves working at Sylvan Learning of Diamond Bar and supporting the students, parents, and teachers, and seeing the students’ love for learning grow. In her free time, Yvonne enjoys reading, camping, and most of all spending time with her family and friends.

Say hi to

Our Teachers

Fran Dyer
Fran DyerFranchise Owner

Fran Dyer, owner of Sylvan Learning Center, has loved working in the Centers for the past 25 years. It has been a fabulously rewarding career meeting with parents, classroom teachers, and or course, the students. While Fran’s career in Public Education encompasses teaching students at the Junior High level, Sylvan has provided her the opportunity to work with students from Kindergarten through High School. Sylvan has an excellent program and provided success for students at every level. Fran has both a Bachelors of Arts and a Masters Degree.

Jim Dyer
Jim DyerFranchise Owner

Jim Dyer, owner of 9 Sylvan Learning Centers, spent 30 years in California Public Education. He taught high school for 8 years and was a Junior High Principal for 24 years. Jim has also taught Junior College classes in Speech and worked with Chapman University in the teacher credentialing department for the Inland Empire. In 2001 Jim began working extensively with the Sylvan Learning Centers. The best part of Sylvan for Jim is the same as it was working in Public Education….working with students and parents! Jim earned both his Bachelor of Arts and his Masters Degrees from Whittier College, Whittier, California.

Carli Ganet
Carli GanetExecutive Director - Franchise Owner

Carli Ganet is the Executive Director and Co-Owner of the 9 Sylvan Learning Centers owned by Jim and Fran Dyer. Carli received her Bachelors of Arts and Teaching Credential at the University of Denver in Denver, Colorado. Carli began her career with Sylvan as a student in the Rancho Cucamonga Sylvan Learning Center. She has been a Director of Education, Center Director and currently oversees the educational programs of Sylvan students as well as working with Directors and Parents. She loves working with Sylvan families!

Lisa White
Lisa WhiteDirector of Business Development

Lisa White has worked for Sylvan Learning for close to 10 years as Director of Business Development. Prior, Lisa spent 19 years in the non profit/social services arena managing programs and services for high risk, disabled, and culturally diverse populations. Lisa earned a Bachelors Degree in Psychology from Antioch University and a Master’s Degree in Psychology from Pacific Southern University. Lisa has always been actively involved in her children’s school; serving as an E3 Foundation Board Member, PTA Board Member, and School Site Council Member at the Etiwanda School District. Lisa enjoys representing Sylvan throughout the community and actively engaging in networking events and business development groups. She feels that her career experience and passion for education helps to ensure that all students are afforded educational opportunities that foster growth and development. “ I am passionate about academic excellence and enjoy working in a vibrant student learning environment where students are supported and celebrated.”

Taryn Hartman
Taryn HartmanDirector of Media Marketing

Taryn is a graduate of California State Polytechnic University, Pomona. She received her Bachelor of Science degree in Business Administration with an emphasis in Management and Human Resources. As a former Center Director and Regional Director, Taryn comes to this position with a love for Sylvan Learning Centers. Taryn is a mother to 4 handsome boys. When not working you will find Taryn at the soccer fields or at the grocery store.

Mackenzie HallTutor

Mackenzie graduated from the University of California, Riverside with a Bachelors’s degree in Applied Mathematics. He is currently a tutor for the Chino, Claremont, and Diamond Bar Sylvan Learning Centers. Tutoring has always been something that Mackenzie has wanted to do and he is excited to be able to help our Sylvan students succeed in Math. During his spare time, you will find Mackenzie at home watching and reading information about sports and the weather.

Jacob Pilapil
Jacob PilapilTutor

Jacob has worked at Sylvan of Diamond Bar since early September 2025. He is a graduate of the University of California, San Diego, where he obtained a degree in Aerospace Engineering. Previous to Sylvan Learning Center of Diamond Bar, Jacob tutored throughout his high school years through the California Scholarship Federation. Jacob continued helping classmates and friends with homework and studying throughout college. He enjoys teaching a variety of subject areas, including math, reading, and writing. In his free time, Jacob enjoys playing basketball, hanging out with friends, and reviewing coursework material from his studies at UCSD.

Teresa ChuTutor

Teresa has worked at Sylvan of Diamond Bar since 2023. She is a graduate of UC San Diego with a Masters degree in education along with two teaching credentials. She has 14 years experience as an educator in multiple subjects and specializes in tutoring English (especially reading and writing for middle school and high school students). In her spare time she likes to read new books, try different restaurants, and watch movies. Give us a call at (909) 303-9651 or fill out the form to discuss your child’s learning goals. * Indicates required field Loading testimonials… Call us today: (888) 338-2283 Find a Location Call us today: {{phone}} Your Center: {{marketing_name}} Change Location Your Center: {{marketing_name}} Discover, book, and track classes, camps, and parties; keep the whole family’s schedule in one place; and celebrate every milestone along the way. Download the app to get started: Tutoring by Topic Home Office (888) 338-2283

Come meet us in person

Stop by for a free Insight™ Assessment

You’ll meet the team, tour the center, and leave with a clear picture of your child’s strengths and gaps — whether or not you enroll.

or give us a call(909) 303-9651
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