Dr. David followed in his father's
footsteps and graduated from the University of Minnesota. After
completing his pediatric residency, he participated in a rotation
through the Gillette Specialty Children's Hospital in their outpatient
and inpatient areas. This provided the opportunity to spend additional
time with the cleft palate and craniofacial team, and Dr. David has
since joined their team as a staff clinician.
When Dr. David is not working at K.O.A.L.A Dental Care or Gillette
Children's Hospital, he enjoys spending time with his wife and three
daughters and one son. They also enjoy their two dogs. He combines family life with his other
passion, sports. Together they attend Gopher games, ski and enjoy the
Dr. David is a Diplomate of the
American Board of Pediatric Dentistry. In addition, he is a member of
American Dental Association
American Cleft Palate-Craniofacial Association
Minnesota Academy of Pediatric Dentistry
Minnesota Dental Association
The American Orthodontic Society
Aruna Rao, D.D.S.
Dr. Rao earned a Bachelor of Science degree in Biomedical Engineering from the University of Minnesota in 2007. She then received a Doctor of Dental Surgery degree from the University of Minnesota School of Dentistry in 2012. Her Advanced Education Program in Pediatric Dentistry was completed at the University at Buffalo School of Dental Medicine in Buffalo, New York. Dr. Rao has received training in IV and conscious sedation and has experience in general anesthesia. She has served on the Legislative Affairs and Scientific Sessions Committees with the Minnesota Dental Association, and has participated nationally with the American Student Dental Association. She is an active volunteer, participating in various city events, the annual 'Give Kids a Smile' day event, and has participated in Remote Area Medical, providing dental care to underserved populations.
A Midwesterner at heart, she enjoys spending time with friends, being outdoors, running, yoga, Twins baseball, Golden Gopher hockey, and playing with her bunny rabbit, Pierre.
Dr. Rao is a member of the American Academy of Pediatric Dentistry, American Dental Association, Minnesota Dental Association and the Academy of General Dentistry.
Emma Zimmerman, D.M.D.
Dr. Emma is originally from St. Cloud, Minnesota. She attended the University of Minnesota for her undergraduate studies where she received a B.S. in Biology. Dr. Emma then spent one year teaching 4th-8th grade students math at Kennedy Elementary in St. Joseph, Minnesota. Dental school brought her all the way to Tufts University School of Dental Medicine in Boston, Massachusetts, earning her Doctor of Medicine in Dentistry degree. She then returned to the University of Minnesota to complete a specialty program in pediatric dentistry.
Outside of dentistry, Dr. Emma enjoys spending time on the lakes, with family and friends, and with her Australian Shepherd, Alfonso. Dr. Emma is excited to begin her career at K.O.A.L.A. Dental Care alongside her lifelong mentors, Dr. John Collier and Dr. David Collier. She looks forward to serving the community in which she grew up.
Dr. Emma is a member of the American Academy of Pediatric Dentistry, the Minnesota Dental Association, and the American Dental Association.