Meet Our Team


Susan Russo

Susan has been a dental hygienist for 35 years. She received her training at Chabot College in Hayward and has worked with Dr Li for 19 years.

She resides in Livermore with her husband and has three adult sons, the eldest of which is married, with the others currently attending college. When not at the office, her interests include outdoor activities such as hiking, biking and gardening.


Mary Ann Cross

Mary Ann began her career in dentistry as a registered dental assistant over 30 years ago. After several years and several different offices, she was offered the opportunity to move to the front desk and learn the other side of the dental office.

She is now the office manager for Dr. Li and has been part of his team for over 18 years. She and her husband Don have made their home in Livermore and have two adult children, Jason and Melissa. When out of the office, she enjoys gardening, her home and her family.