Meet our Harker Heights Tutoring Staff


Great Teachers Inspire

Our tutors and staff in Harker Heights-Killeen consist of passionate educators who love inspiring children to succeed. Warm, caring and great at relating to kids, our tutors in Harker Heights 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 Harker Heights-Killeen!

  • Josh Saffron, Center Director

    Josh Saffron

    Center Director

    Josh is a graduate of the Southwestern Assemblies of God University with a degree in Bible & Theology. Currently pursuing an MBA with an emphasis in marketing from Grand Canyon University, Josh is a strong believer that the future will always be brighter when we invest in it. With that in mind, he is an outgoing person who is passionate about working with children. In his spare time, Josh enjoys fishing, playing guitar, and spending time with his family.
  • Quentin Sterling, Director of Education

    Quentin Sterling

    Director of Education

    Quentin is graduate of The University of Mary Hardin-Baylor. There, he earned his Master of Educational Administration and Bachelor of Interdisciplinary Studies. Prior to Sylvan, Quentin taught Social Studies and coached football and wrestling for nearly a decade. He holds a Social Studies Composite (Grades 7-12) and History (Grades 7-12) teaching certification. Outside of work he is an avid bowler, has a passion for woodworking, and enjoys spending time with his family.
  • Monika Callegari, CERTIFIED TEACHER

    Monika Callegari


    Monika believes that education is a way to introduce children to their potential. She was inspired by great teachers, and she wants to instill that inspiration within her students. Monika received her Bachelor of Science from Tarleton University, and her Master’s in Education from Texas A&M Central Texas. She has obtained a Bachelor of Liberal Arts degree, and a Master’s in Curriculum and Instruction as a Reading Specialist. She is currently certified in English Language Arts and Reading for grades 4-8th as well as History for grades 7th- 12th and a generalist for grades 4th -8th. Outside of Sylvan she loves reading young adult fiction and biography books. She is also an avid puzzle enthusiast! Overall, Monika is passionately focused on building relationships based on kindness and respect. 
  • Carolina Flores, CERTIFIED TEACHER

    Carolina Flores


    Carolina feels most alive when she is helping students connect the dots between concepts in school. She graduated from the University of Texas at San Antonio with a bachelor's in Sociology and finds joy in helping kids connect the dots in different subjects. When she’s not working with students, Carolina enjoys running, hiking, and cooking

    Tim Flugum


    Tim is a graduate of the United States Military Academy at West Point. He also has a Master's Degree in Physics from Texas A & M University. Tim is a very special teacher. He is exceptional at all math courses, and he also teaches chemistry, physics, and some of our STEM courses. Students of all ages really like Tim, because he is positive and knows how to connect with kids. In his spare time, he enjoys woodworking.

    Royal Hawthorne


    Royal is a tutor at Sylvan Learning in Harker Heights who enjoys seeing students grow and she like to be a part of their success. Her favorite thing about working with students is the priceless look on their faces when they know they have done well. When she is not at Sylvan, Royal enjoys spending time with family and friends.
  • Tamara Thomas, CERTIFIED TEACHER

    Tamara Thomas


    Teaching has always been a passion for Tamara. When she began teaching, it was something that she quickly fell in love with. She is a graduate of the University of Maryland, with a Bachelor of Science in Special Education with a minor in psychology. With our students, she is very devoted, sincere, ambitious, honest, and very open-minded. Outside of teaching, she loves to travel, go hiking, and volunteer within her community.

    Vanity Avery


    Vanity is a funny and witty teacher with a passion for making an impact on the lives of children. She is a graduate of Western Governor’s University and holds a master’s degree in curriculum and instruction. When she is not teaching, Vanity enjoys traveling with her family.
  • Debbie Showalter, CERTIFIED TEACHER

    Debbie Showalter


    Debbie is passionate about helping children learn and grow. She holds a Bachelor of Science degree in Liberal Studies with an emphasis on Psychology from Tarleton State University. Debbie is an optimistic, thoughtful, and humorous teacher with a passion for photography, family, and gardening.
  • Tanesha Williams, CERTIFIED TEACHER

    Tanesha Williams


    Tanesha graduated from Crown College with a Bachelor’s Degree in Education. She also graduated Summa Cum Laude. She is certified in EC-6 and has taught for over 11 years. Her main goal is to help learners reach their full potential. Tanesha is a teacher who is very focused, patient, and dedicated to her students. Outside of teaching, she likes to read, shop, dance, and decorate. 
  • Suzanne Ferguson, CERTIFIED TEACHER

    Suzanne Ferguson


    Suzanne is an outstanding teacher who has an outgoing and bubbly personality. Her passion is to help struggling students succeed. She has a Master’s from Texas A & M, a Bachelor of Science from University of Phoenix, and an Associate’s in Psychology from Cameron University. She is EC-6 generalist, GT, and ESL certified. Outside of teaching she loves to read, attend baseball games, and relax with her children.

    Lynn Grant


    Lynn Grant decided to become a teacher as she has always been interested in helping children. She has a Bachelor's degree in Government from Clark University and a Lifetime Elementary Education Certificate from St. Edwards University. She enjoys staying current with news events. She is very patient with the students and excels at teaching young readers.
  • Levona Hunter, CERTIFIED TEACHER

    Levona Hunter


    Levona decided to become a teacher because she likes children and enjoys watching them learn. She has a Bachelor of Arts in English from Harding University, and a Master's Degree in English from Arkansas State University, as well as an ESL certification from the University of Texas.  She is certified to teach English, Reading, History, Language Arts, and ESL. In her free time, she enjoys reading and quilting.

    Lyle Gier


    Lyle is a soft-spoken person and a very good teacher. He has a way of earning the trust of students and values being able to teach kids. Lyle is a graduate of the University of North Texas where he holds a Bachelor's Degree in Interdisciplinary Studies and a Master's Degree in Computer Educations and Cognitive Studies. Lyle prides himself on being a very honest person with good moral standards. In his free time, he likes to read.
  • Ann Kindleburg, CERTIFIED TEACHER

    Ann Kindleburg


    Ann is a caring and witty teacher who is passionate about seeing students reach their full potential. With her decades of experience in both K-12 and adult education, she enjoys watching students of all ages engage with and master concepts. In her free time, Ann enjoys spending time with her family and animals.