John C. Griffiths

DDS, MDS

Dr. John Griffiths and his wife, Laura, are the parents of five children. His oldest daughter has made him a grandfather to his granddaughter and three grandsons!

Dr. Griffiths is a member of the Clark County Dental Society, the Nevada Dental Association, the American Dental Association®, the American Association of Orthodontists®, the Las Vegas Study Club, the Pacific Coast Society of Orthodontists and the State of Nevada Early Intervention Service.

Douglas K. Simister

DDS, PC

Dr. Douglas Simister is a Las Vegas native who graduated from Bonanza High School. He completed dental training at Creighton University in 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. His oldest daughter has made him a grandfather to his granddaughter and twin grandsons!

Mark Whiting

DMD, MS

Dr. Mark Whiting is a second-generation Las Vegas native and graduate of Bonanza High School. He completed his dental school training locally at the UNLV School of Dental Medicine. Dr. Whiting continued his education to become an orthodontist and graduated from UNLV’s Orthodontics and Dentofacial Orthopedics Residency.