At RK Dentistry, we have wonderful team members who have been in dentistry for a long time and are experienced in taking care of our patients. They are warm, friendly and eager to make you feel welcome when you come in for your appointment. You can learn more about them before your exam with our dentist, Dr. Richard Koeltl, by reading through their profiles below. We also have members who speak Spanish and can help avoid language barriers that may arise. If you would like to schedule your next dental treatment in Danville, California, we invite you to call us at 925-736-4201!

Our Dentist and Dental Team


Scheduling Coordinator

Aubree graduated from Loma Vista with a dental assisting degree and has worked in the dental field for over 10 years. She worked as a dental assistant for the first two years and realized that she liked interacting with the patients so much that she transitioned to the front office as a scheduling coordinator to help them with all their dental needs. Aubree and her husband have been happily married for more than 20 years and have three beautiful children, two Yorkies and three cats. She and her family were born and raised in the Bay Area and enjoy spending time as a family relaxing by the pool, barbecuing and roasting marshmallows over the firepit.


Registered Dental Hygienist

Erin has worked in the dental field for over eight years and has recently joined RK Dentistry. After receiving her degree in public health sciences at UC Irvine, she went back to school and received her Bachelor of Science in dental hygiene at Foothill College in 2018. She strives to deepen her passion for being an oral health “coach” — helping patients to not only achieve oral health but to understand the relationship it has to the body as a whole. She was born and raised in the East Bay, and when she is not in the office, she enjoys exploring new cycling and hiking trails with her fiancé and two dogs.


Registered Dental Hygienist

Janée has been a RK Dentistry team member since May 2008. She takes a genuine interest in our patients’ lives and loves hearing about their families. Her main duties include thorough dental cleanings and helping patients improve their oral health. She is studying to become a myofunctional therapist and teaches patients about airway issues to help them sleep better and feel better overall. She graduated from Chabot College in 1996 with a degree in dental hygiene. Janée loves spending time with her husband, son and dog. Her other hobbies are traveling, camping, hiking and cooking.


Financial Administrator

Jennifer has been a team member for a few years and loves being a part of RK Dentistry. She enjoys working with patients and team members alike and always strives to do her very best. Jen and her husband have lived in the area for over 20 years and have two children: Maggie and Jo Jo. Jen’s interests include reading, golfing, playing tennis, and spending time with family and friends.


Registered Dental Hygienist

Lindsay started as a temp at RK Dentistry in January 2020 before becoming a permanent team member. After receiving a degree in sociology from CSU Long Beach, she went back to school for a Bachelor of Science in dental hygiene at Foothill College, as part of their pilot baccalaureate program. Lindsay is very passionate about preventative care and loves working with her patients to find the best solutions for their periodontal needs. In her free time, Lindsay enjoys hiking, camping, and spending time with her fiancé and their three furry children.


Registered Dental Assistant

Luci has been a registered dental assistant since 2016. She believes that knowledge is power and is always happy to make sure our patients have good understanding of their dental options. Cosmetic dentistry is something she is really passionate about, and she enjoys working with our dental family to come up with the best results. She is originally from the East Bay and spends all of her free time with friends and family.


Scheduling Coordinator

Marie has worked in the dental field for over 12 years, graduating from Wake Technical Community College in Raleigh, North Carolina, with her certification in dental assisting. She was born and raised in a small town near Fayetteville, North Carolina. She moved to Pleasanton in January 2021 with her husband and two dogs. Marie enjoys spending time with her husband, gardening, crafting, traveling, and FaceTiming with family. She takes pride in patient education and care.


Registered Dental Hygienist

Nina enjoys our helping our patients and taking care of their dental health. She attended UC Davis, where she received her bachelor’s degree in biology. She received her degree in dental hygiene from Foothill College in 2003 and has enjoyed providing compassionate dental care and making every trip to the dentist a positive experience for all patients. Nina lives in Danville with her husband and two kids, Noah and Mia. She enjoys traveling, trying new restaurants, reading and interior decorating.


Registered Dental Hygienist

Stacy has been with RK Dentistry since 2005 and has worked in the dental field for over 20 years. She was an assistant before becoming a hygienist. She graduated from San Joaquin Valley College in 2003 with a degree in dental hygiene and is an active member of the California Dental Hygienists’ Association. She loves educating patients and helping them create goals to maintain or improve their dental and general health. She also greatly admires Dr. Koeltl‘s efforts to remain on the cutting edge of dentistry, and the team’s efforts to achieve excellence. Stacy is constantly learning new dental philosophies and techniques to expand her knowledge and skills. She is married and has two sons. Her other interests include cooking, crafting and volunteering at her sons’ school.


Registered Dental Assistant

Tabatha has been in the dental field since 1989. She loves helping patients reach their dental goals and seeing their bright new smiles. She loves spending time with her family and friends up in the mountains.