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Meet the Dental Team!

Welcome to Performance Dental Center! You’ll find high-quality family and cosmetic dental care and advanced services, offered in a relaxed and laid-back atmosphere. Our office is modern and equipped with the latest in dental technology to make treatment more comfortable, efficient, and pleasant for our patients.

Learn more about our team of the best Boulder dentists!

Meet the Team at Performance Dental Center

Performance Dental Center prides itself on providing general and sports dental services to families and athletes located in or near Boulder, Colorado. We believe dental health is essential to well-rounded physical and mental performance. Whether you are an elite athlete or on your path to wellness, we will help you understand how optimum oral health can enhance a strong and healthy body. We take pride in our work and promise to continue pushing the mold of sports dentistry as the best dental provider for Boulder’s athletes and residents.

We take pride in our work and promise to continue pushing the mold of sports dentistry as the dental provider of choice for Boulder’s athletes and the athlete in you.

Danny Luna

Expanded Duties Dental Assistant
Danny was born in Los Angeles, California and moved with his family to Colorado in 2001. After high school, he attended Everest College to become a dental assistant and 1 year later became EDDA certified. Danny has a niece and a nephew who he loves very much and also has 2 dogs, a chiweenie, Bonnie and a chow chow, Bruce. Apart from watching the kids and taking care of his dogs, Danny also enjoys planting vegetables and protecting his 4 peach trees from squirrels.

Fun Fact: Danny wants to collect all generations of 4-Runners

Favorite Quote: "Dogs are not our whole life, but they make our lives whole" -Roger Carris

Nicholas Sigman, DMD

Dr. Sigman has always wanted to live in Boulder, CO, so starting his practice here has allowed him to live the dream!

After receiving his undergraduate education from the University of Kansas in 2007, he then went on to complete dental school at Southern Illinois University School of Dental Medicine, where he received his Doctor of Dental Medicine (DMD).

Dr. Sigman has been practicing in Boulder since 2012, and he opened Performance Dental Center in 2016. He loves meeting and interacting with all the awesome people in Boulder and helping them achieve their health goals. In addition, he has acquired co-ownership of successful family dental offices in Denver and Aurora, Colorado.

He is a member of multiple organizations, including the American Dental Association, the Colorado Dental Association, the Academy of General Dentistry, and the Denver Implant Study Club. Most notably, he is the 2019 Vice President of the Boulder/Broomfield County Dental Society and a recipient of the peer-nominated 5280 Best Dentist Award for 2018 and 2019. Dr. Sigman has received recognition from the Seattle Study Club as well as the Horace G. Wells Award for Excellence in Dental Anesthesiology. He is also the only dentist in the Boulder area who is a member of the Academy of Sports Dentistry.

Kimberly Boyd

Office Manager
Kimberly was born in Lakewood co, the youngest of 8 children. She started in the dental field in her early 20's. She is married with two children and two dogs. Kimberly is an outdoors woman and loves all things in nature. Jeeping, Hiking, gardening are at the top of that list.