Dr. Fesler grew up in Carrollton and graduated from Newman Smith High School. He earned his Bachelor of Science in Education from Baylor University in Waco in 1996. Dr. Fesler continued his studies at Baylor College of Dentistry in Dallas. While at Baylor, he was elected to the Odontological Honor Society and Omicron Kappa Upsilon Honor Society.

Dr. Fesler graduated as class valedictorian in 2001, and won the Gold Medal Award for academic and clinical excellence as well as the Alpha Omega Honor Award. During dental school, Dr. Fesler had the opportunity to work in the orthodontic department and treat some of his dental patients with braces. This solidified his desire to continue his studies after dental school by pursuing an orthodontics degree. Dr. Fesler completed specialty residency training in orthodontics at Baylor in 2003. His orthodontic credentials include a certificate in orthodontics and a Master of Science degree.  Dr. Fesler has been named a D Magazine Best in Orthodontics 5 times by his peers, including the last vote in 2019.