Meet Our Team
Alli Witt, RDH
Registered Dental Hygienist
Alli is a Registered Dental Hygienist with a focus on oral and systemic health. She started her clinical dental training at Dr. Tanaka & Leong’s office in 2005 while attending the dental assisting program at Phoenix College. Alli also has a background in oral surgery assisting as well as insurance and front office management.
Alli finds the field of dentistry very rewarding and says “My goal is to provide comprehensive oral care by educating my patients on their oral & systemic correlation to improve their overall health. I am excited to have an opportunity to establish my career in my community and serve those living life with me as my neighbors. I strive to provide the highest standard of care while maintaining a gentle technique. I continue to be grateful for the trust of my team and loyalty of my patients as I aim to serve those around me.”
In her free time, Alli is very busy with her kids’ sporting activities, attending GCU events and spending family time together. She loves to take getaways with the dogs and the kids.
Yuni Obregon, RDH
Registered Dental Hygienist
Yuni’s career began as a dental assistant before graduating from Phoenix College in 2007 with an Associates Degree in Applied Science and becoming a dental hygienist – which is when she joined our team. When she is not working she enjoys family time with her husband and three children, arts and crafts or going out on a hike.
Laura, RDH
Registered Dental Hygienist
Laura feels like she has been lucky enough to have worked with the Dr. Tanaka/Leong/Yonan dental team since 1990. According to Laura, 'It’s been a wonderful experience to have been able to continue to learn and grow in this positive environment. In addition, one of the things I have enjoyed the most is the focus the office has in caring for the whole person.' Laura graduated from the Phoenix College Hygiene program in 1989, and is mom to 6 wonderful children and 10 grandchildren. In her free time, she loves to workout, read and help out at her church. She is also proud to be married to a retired deputy sheriff. Laura boasts, 'Our life is rich and full and a large part of this is my career here in the dental field helping people. I truly love it!'
Kelly
Dental Assistant
Kelly is a graduate of Phoenix College and has been with Drs. Tanaka and Leong for over a year now, beginning as an extern here in October 2023. She is planning to go to hygiene school next August at Phoenix College.
Kelly loves to hang out with her best friend Shay, as well as her other half Quade. They love to enjoy time at home watching movies. They don’t have kids, but do have a fur baby named Sith, but he likes to be called Stinky Boy :).
Jocelyn
Dental Assistant
Jocelyn started as an extern from Phoenix College and joined our staff permanently after graduation. Her two year anniversary is coming up in May 2025 and according to her "so far, it has been a fun ride"!
Jocelyn spends most of her free time going on road trips, hiking, and doing outdoor activities with friends and family. She doesn't have kids but does have a goofy miniature poodle named Simba. She plans on returning to school and I cannot wait for what the future holds for her.
Harriet Rosenthal
Office Manager
Harriet has worked with Dr. Tanaka and Dr. Leong in various capacities since she was 18 years old. The Tanaka’s are her family. In her free time, she enjoys spending time with her family, baking, cooking and hiking.
Mercy
Front Office/Insurance
Mercy has been working with our office for over 3 years now. She started here with an internship and now works in the front office handling insurance, treatment plans, and finances. She absolutely loves our patients and goes above and beyond to take care of them in the best possible way. She is currently continuing her educational pursuit in business and likes to enjoy her free time with family and her furry kids.