Meet the Team


We have a team of highly qualified and experienced dentists and orthodontists. They have worked with different organizations to provide dental care and oral health-related services. Please read below for more about their individual expertise and experience.

Dr. Montano

Erin M. Montano, DDS

Erin M. Montano, DDS is a general dentist practicing and living in Gallup, NM.  She was born and raised in St. Louis, Missouri, solidifying her love for Cardinals baseball.  After attending Saint Louis University and receiving degrees in Studio Art and Biology, Dr. Montano graduated from University of Missouri-Kansas City School of Dentistry in Kansas City, Missouri.  It was in dental school that she met her husband, Jared.  She is a member of the American Dental Association, New Mexico Dental Association, Academy of General Dentistry, American Academy of Facial Esthetics, and the New Mexico West Central District.  She is currently on the board for the Gallup Early Childhood Center and the New Mexico Dental Association Foundation.  In her free time, Dr. Montano enjoys oil painting, working out, and exploring the Southwest with her husband, baby girl, and two labs,


Zarah Ahmed, DDS

Zarah Ahmed, DDS, was raised in the southwest and has lived in both Arizona and New Mexico. She earned a B.H.S in Physiology from the University of Arizona and after graduating she worked as a 6th grade middle school teacher at J.F.K. Middle School in Gallup. She obtained her Doctor of Dental Surgery degree at University of California, San Francisco, School of Dentistry.  She then completed her post-graduate pediatric dental residency program at University of Pennsylvania/Children’s Hospital of Philadelphia. Having started her path in dentistry 10 years ago volunteering at the El Rio Clinic in Tucson, Dr. Ahmed is committed to advocating access to oral healthcare both locally and internationally. She volunteers regularly at homeless shelters and is engaged in serving the community. She continues to keep up to date on the newest advancements in pediatric dentistry through continuing education to better serve her patients and their families. With a background in both teaching and health education, Dr. Ahmed has a gentle and caring touch. When she is not working, Dr. Ahmed likes to spend time with her family and travel. She also enjoys reading, hiking, painting, and listening to podcasts.


Kenneth E. Knott, DDS

Kenneth E. Knott, DDS. Dr. Knott received his Doctor Dental Surgery degree from the University of Michigan School of Dentistry in 1974. Dr. Knott served in the US Air Force Dental Corp for two years, followed by twenty-seven years dedicated to the practice of general, family dentistry. In 2001 Dr. Knott retired from private practice and since has focused on children and adolescent dentistry in various capacities. A native of Ohio and California, Dr. Knott and his wife, Darla have spent most of their adult lives in Colorado.  Dr. Knott and Darla have four children and nine grandchildren. So spending time with family is important as well as leisure traveling and enjoying the outdoors.


Robert Hann, DDS, MS - Orthodontist

Robert Hann, DDS, MS, is a transplant to Albuquerque by way of southern California. He completed undergraduate studies at Stanford and received both his DDS and MS from the Ostrow School of Dentistry of USC. Dr Hann (rhymes with "can", as in he can eat hot chile) has extensive experience working with children and adolescents in YMCA resident camping and various dental education programs. He really likes orthodontics and is looking forward to the opportunity to work with young people in the great state of New Mexico, building smiles together that they can be proud of. His interests include music, American literature, rock climbing, running (slowly), and road-tripping the Southwest with his wife.

Dr. Tasker

Spencer J. Tasker, DMD

Spencer J. Tasker, DMD is the Co-founder and Chief Technical Officer for Gallup Children's Dentistry & Orthodontics.  A board certified New Mexico licensed pediatric dentist, Dr. Tasker received his undergraduate degree from Brigham Young University and attended Case Western University’s School of Dental Medicine in Cleveland, Ohio. He completed his pediatric specialty training in 2006 at Rainbow Babies and Children’s Hospital, also in Cleveland, Ohio. Additionally, he has practiced in the Oral Emergency Care Unit at the University of New Mexico and has served in nonprofit oral health and volunteering initiatives abroad in the Dominican Republic and the Island of Samoa. In his free time, Dr. Tasker enjoys spending time with his wife Sarah and daughters Sydney and Ella, as well as golfing, watching sporting events of all kinds, and has completed over 25 full marathons.


Jim Tasker

Jim Tasker is the Co-founder, Chief Human Resources and Business Development Officer for Gallup Children's Dentistry & Orthodontics. After high school in Southwest Oklahoma, Jim received an undergraduate degree in Japanese from Brigham Young University and a Masters Degree in Business from the Goizueta Business School at Emory University.  Prior to starting Gallup Children's Dentistry & Orthodontics, Jim spent the first 12 years of his career holding leadership positions in the field of Human Resources for Fortune 500 organizations such as General Mills, Berkshire Hathaway, and Pulte Homes. The father of six children, he enjoys spending time with his family, enjoying the outdoors of New Mexico and Colorado, watching Professional English soccer, and has completed 15 full marathons, including the Boston Marathon three times 2009, 2010 & 2017.

Dr. Rowan

R. Ganon Rowan, DMD

R. Ganon Rowan, DMD is the Chief Operating Officer of Gallup Children's Dentistry & Orthodontics.  He grew up in Merced, California and earned an undergraduate degree in Spanish. He earned his Doctor of Medical Dentistry from Case Western University’s School of Dental Medicine. He is certified to perform oral conscious sedation.  Dr. Rowan is a board member of the G3 Foundation, a humanitarian organization that provides year round humanitarian dental and health services to areas in the Dominican Republic.  He has also traveled to Samoa to provide humanitarian dental services.  In his free time, he enjoys spending time with his wife Jennie and their 5 children, playing golf and traveling.