Dental Hygienists

Hygienists Group Shot, RK Dentistry
Lisa - Registered Dental Hygienist of RK Dentistry


Registered Dental Hygienist

Darby received her associate degree in dental hygiene from Fox College in Bedford Park, Illinois. Darby’s favorite part about being a hygienist is creating relationships with her patients and educating them on preventive care. Darby was born and raised in Chicago, Illinois, and she is new to the Bay Area and lives with her husband in Danville. In her free time, she loves spending time outside and exploring all the Bay Area has to offer.

Janee- Registered Dental Hygienist of RK Dentistry


Registered Dental Hygienist

Janee 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. Janee loves spending time with her husband, son and dog. Her other hobbies are traveling, camping, hiking and cooking.

Nina - Registered Dental Hygienist of RK Dentistry


Registered Dental Hygienist

Nina enjoys 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.

Rochelle - Registered Dental Hygienist of RK Dentistry


Registered Dental Hygienist

Rochelle has worked in the dental field for several years. She graduated from UC Irvine with a Bachelor of Science in public health, and she also received a second bachelor’s degree in dental hygiene. Rochelle has a passion for educating others about their oral health and helping her patients improve their dental health needs. She enjoys spending time outdoors, loves to travel and dedicates time to give back to the community through volunteer dentistry.

Stacy - Registered Dental Hygienist of RK Dentistry


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.

Dental Assistants

Assistants Group Shot, RK Dentistry
Erika- Registered Dental Hygienist of RK Dentistry


Registered Dental Assistant

Erika has been a registered dental assistant since 1995. She is originally from San Francisco and currently resides in Pittsburg with her youngest daughter, Janeyah, and their black and white kitten, Jade. Erika has recorded Christian rap music, performed spoken-word and written a poetry book. She believes that one of the most important things in life is how we treat people.

Susan - Registered Dental Assistant of RK Dentistry


Registered Dental Assistant

Susan has been an registered dental assistant since 1997. She lives in Castro Valley with her Bichon/poodle mix named Sparky. Susan enjoys spending time with her friends and family, going to concerts and events and traveling. Susan is a lifetime learner, and her favorite topic is dentistry.

Front Office

Front Office Group Shot, RK Dentistry
Aubree - Scheduling Coordinator of RK Dentistry


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.