Dr. Hess is a graduate of the University of Alberta and completed his DDS degree from the University of Washington in 1994. He is an Affiliate Instructor in Restorative Dentistry, Affiliate Faculty in Oral Medicine and the Director of the Tucker Institute at the UW School of Dentistry. He currently lectures on implant failures due to restorative techniques, operative techniques, zirconia restorations as well as facial aesthetics including the topics of Botulinum toxin and dermal fillers. He has a solo general practice and shares a practice,  Dental Implant Center, that focuses on fixed removable prosthetic procedures with Dr. Keith Phillips in Auburn, WA.

Dr. Hess has been published in the Journal of Prosthetic Dentistry, IJOMI, CJRDP, Decisions in Dentistry and Operative Dentistry. He has presented at the ADA Annual Meeting, the AGD Annual Meeting, Pacific Northwest Dental Conference, International Academy of Gnathology, Pacific Coast Society of Prosthodontics and the Canadian Academy of Restorative Dentistry and Prosthodontics.

He is a Past-President of the Seattle-King County Dental Society. Dr. Hess is a Fellow of the International College of Dentists, Pierre Fauchard Academy and has received his Life Long Service Recognition from the Academy of General Dentistry.

Dr. Hess is married to his lovely wife, Lisa. Together they enjoy their six nieces and nephews spending time with family and friends, and enjoying all that the Pacific Northwest has to offer. Lisa actively supports Tim and the wonderful staff at Comprehensive Dental Care. Dr. Hess enjoys photography, traveling with his wife, and likes to take in a hockey game when he is not teaching or lecturing. His favorite movies are Raiders of the Lost Ark and Star Wars. His favorite book is Great Expectations. Dr. Hess is passionate about what he does and loves to teach and educate others about dentistry and health.