Meet the Doctors
Meet the experienced and friendly doctors who make Valley Vision Source a proud provider of vision care products and services in Renton.
Tiffany Hollenbeck, OD
Tiffany Hollenbeck has dedicated her career to identifying, treating, and educating patients about their eye conditions. She is passionate about giving the best care and supplying patients with treatment and products for their vision needs.
After completing her BS in biology at Gustavus Adolphus College in Minnesota, Tiffany headed west to Pacific University College of Optometry in Oregon to obtain her doctorate. She graduated with distinction and shortly afterward started a private clinic in Redmond, Washington.
After her children were born, the family moved to Hawaii and then Minnesota before deciding on the Pacific Northwest as their forever home. During this time, Dr. Hollenbeck worked with general ophthalmology and most recently was the medical optometrist at Valley Medical Center.
Outside of the clinic, Dr. Hollenbeck enjoys spending time with her loved ones and you can often find her enjoying the outdoors; hiking, paddleboarding, trail running, and camping. Professionally, she thrives on personal connection, education, and problem-solving. She finds her occupation very fulfilling.
Wanzhi Li, OD
After completing her BS in Cognitive Science at the University of California, Irvine, Wanzhi went on to earn her Doctorate of Optometry from Pacific University College of Optometry. Following her training in a variety of clinical settings, she chose to settle down in a private practice in the Pacific Northwest.
Dr. Li has a strong passion for treating complex ocular diseases and fitting specialty contact lenses for both irregular corneas and myopia control, including orthokeratology. Her clinical focus is on the early detection and proactive management of chronic, vision-threatening diseases, with the goal of preserving long-term vision and improving patients’ overall quality of life.
Outside of the clinic, she enjoys spending time outdoors with her Labrador Retriever, exploring new restaurants, and traveling.