Dr. John Griffiths is a native of Las Vegas and graduated from Western High School. He attended Brigham Young University and received a B.S. degree in Zoology in 1984. Dr. Griffiths graduated from the UCLA School of Dentistry and completed a three-year specialty residency in orthodontics at the University of Connecticut, where he also earned a master’s degree in Dental Science. Dr. Griffiths has completed numerous continuing education courses in orthodontics and has made a number of presentations at dental research meetings worldwide. Dr. Griffiths and his wife, Laura, are the proud parents of five children.
Dr. Griffiths is a member of the Clark County Dental Society, Nevada Dental Association, American Dental Association, Pacific Coast Society of Orthodontists, American Association of Orthodontists, Las Vegas Study Club and the State of Nevada Early Intervention Service. Additionally, he is the past President of the Nevada Association of Orthodontists and currently is on the Board of Directors of the Pacific Coast Society of Orthodontists.
Dr. Douglas Simister is a Las Vegas native who graduated from Bonanza High School. He completed dental training at Creighton University (Nebraska) and received his certificate in orthodontics from the University of Nevada Las Vegas. Dr. Simister and his wife Michelle are the parents of four children: Aubrey, Andrew, Michael and Elise.
Dr. Simister is a member of the Clark County Dental Society, Nevada Dental Association, American Dental Association, Pacific Coast Society of Orthodontics, the American Association of Orthodontists, and a Diplomate of American Board of Orthodontics.
Dr. Eryn Ence is a Las Vegas native who graduated from Eldorado High School. She received her Doctor of Dental Medicine degree from the University of Nevada Las Vegas graduating summa cum laude, and was inducted into the Omicron Kappa Upsilon Honorary Dental Society. While in dental school, she was accepted to the University of Oklahoma Health Sciences Center, where she completed a 30 month residency in the specialty of Orthodontics and also earned a Master’s of Science degree.
Dr. Ence is excited to be home and to join her mentor, Dr. John C Griffiths, who inspired her to follow her dreams. She’s a perfectionist that finds orthodontics exciting and enjoys working with patients of all ages to create beautiful, functional smiles. When she’s away from the office she loves spending time outdoors, golfing, camping, hiking, fishing, skiing, any kind of photography, and spending time with her family.
Dr. Jamie Drowley began her education in dental hygiene at West Virginia University. As a top student in her class she was awarded early admissions to Dental School and the Air Force Institute of Technology Scholarship. She graduated from WVU School of Dentistry in 1998 and after serving overseas in the Air Force, she practiced as a cosmetic dentist and dental educator. Dr. Drowley continued her education and graduated Magna Cum Laude from UNLV Advanced Education in Orthodontics and Dentofacial Orthodpedics Residency in 2008.
Dr. Drowley and her husband Colonel Michael Drowley have three children, Jacob, Joshua and Jordyn. In her spare time she enjoys writing, volunteering for animal rescues, reading, running and yoga.
Dr. Jamie Drowley is a member of the American Dental Association, Nevada Dental Association, and American Association of Orthodontist Las Vegas. She has been in practice with Dr. Griffiths since 2010.
Why Patients Choose Us
Each of our doctors became an orthodontist after experiencing firsthand how orthodontics can transform crooked teeth into a great smile.
As a Certified Invisalign Elite Premier, we are recognized as one of the top Invisalign practices in the world (as measured by number of completed cases).