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doctor manLeo Man, D.D.S.

Dr. Leo Man uses his expertise to improve the smiles of those around him, advancing his knowledge to better serve his patients. He first started his education in Australia, completing courses from a school of nursing in 2005. After working in oncology and in a post-operative unit, he came to the United States to pursue a bachelor’s in biomedical science, eventually graduating cum laude. He then went on to attend Loma Linda University for dental school.

Since becoming a dentist, Dr. Man has completed an additional 500 hours of continuing education. 300 of those hours were dedicated to completing an implant MaxiCourse® in 2016, over the course of nine months. After this training was completed, Dr. Man traveled to Cancun, Mexico, to attend further training. Also, in 2016, he completed his intravenous sedation training and license. The previous year, Dr. Man completed his endodontic training at the University of Southern California. Since then, he has performed root canals for over 500 patients.

Dr. Man is dedicated to serving others, working as clinical director of btyDENTAL Group in Anchorage, Alaska, and training graduate students in the extraction of third molars, root canals and IV sedation. In 2016, he also had the opportunity to serve on a mission trip, performing over 1000 teeth extractions for the people of the Philippines.

Dr. Man and his wife live in Riverside and have two children — a son, Chris, and a daughter, Joy. In his off time, Dr. Man loves training and playing badminton.

Keane Wayne Young, D.D.S.

Dr. Keane Young completed his undergraduate studies at the University of California Santa Cruz before attending dental school at the University of Southern California, graduating in 2016. After graduating from dental school Dr. Young completed a one year General Practice Residence at the University of California San Francisco. He continuing his education both online and in person each month, and regularly attends courses and events to advance his dental training and knowledge.

Dr. Young is a member of the following organizations:

He has practiced in the Chino Hills area for 2 years, and is committed to providing his patients with the highest level of quality dental care through education, empathy and communication.

Outside of the office Dr. Young’s hobbies include hiking, biking, swimming, traveling, photography, basketball, skiing and snowboarding.

Meet Our Team

Our office at Man Dental is happy to provide patients with the care and services they need. Whether you are coming in for a restoration or a simple checkup with our dentist, Dr. Leo Man ’s team can help make your visit go as smoothly as possible. If you would like to meet our dental team in person, call 909-590-2229 and plan a visit with our dental office in Chino Hills, California.


Gabby Guerrero, RDA
Gabby Guerrero, RDAIn 1986, Gabby received her dental assistant license and then went on to become a registered dental assistant in 1991. For over 30 years, she has been working as a resident dental assistant. Since the beginning of 2018, she has added that experience to our practice, helping provide high-quality customer service for our patients.

In her free time, Gabby enjoys cosmetology, which she is licensed in. She also loves shopping and going to Disneyland. She has been married to her husband for 28 years. He current works as a superintendant for Padilla Construction. Together, they have raised three children. Her oldest, Michelle, graduated from California State University, Long Beach and works as a media manager for a music public relations firm. Their second child, Giselle, works at a local bookstore while studying marketing at Cal Poly Pomona. Finally, their youngest child, Michael studies engineering at Mt. San Antonio College and works in a local hardware store. Their family also includes their yorkie-maltese, Presley, who loves long walks and watermelon.


Chynna Kendrick, Dental Assistant
Chynna Kendrick, Dental AssistantChynna recently graduated from high school in Colorado Springs. She plans to continue her education by attending Pima Medical Institute and pursue a career in dental assisting. Her end goal is to teach her community about the benefits of oral hygiene and help them have great smiles.

Chynna recently joined our office, and loves how she gets to interact with patients, helping them feel comfortable going to the dentist and feel confident in their smile. Every day, she shows how she genuinely cares for our patients and makes our patients feel at home.

Because her family was in the air force, Chynna has had the opportunity of calling many different places home. She has lived in Washington, Alaska, New Mexico and Colorado. Today her family mainly lives in Denver, Colorado.


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