Dr. Marshall was born and raised in Colorado and moved to Southern Nevada in 1979. He graduated from the University of Nevada Las Vegas in 1981 with a Bachelor of Science degree in Biology. He received aDoctor of Dental Surgery degree from Marquette University School of Dentistry in 1986. Dr. Marshall is a part-time instructor at the University of Nevada Las Vegas School of Dental Medicine. He has been voted one of Summerlin Magazine's Top Dentists, as well as one of Las Vegas Life Magazine's Top Dentists.