Meet the Staff

All our professionals at Gold Canyon Dentistry maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

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Pamela A. McMahon, D.D.S.

Doctor Pamela McMahon was raised in Mesa, Arizona and is part of a large family which still resides in the area. She is the proud mother of an adult son, loving step-mother to five daughters, grandma of three, and loves her nieces and nephews. She completed dental school at the University of Texas Health Science Center in 2000. Doctor McMahon spends numerous hours in continuing education including advanced training in aesthetics, Invisalign, orthodontics, implants, veneers, dentures, pediatric dentistry, and courses in practice management and technology. Dr. McMahon volunteers monthly with the Flying Samaritans, a non-profit organization that serves the remote communities of South Baja. Dr. Pam has been involved in dentistry since the age of 14 as an office assistant. She has been a dental assistant, went to dental hygiene school, worked in the dental lab fabricating prosthetics, and has worked as a front-office manager. She has a passion for dentistry and is deeply rooted in the Gold Canyon area. She looks forward to serving you on your next visit.


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Jeanne Darling, Dental Assistant

Jeanne lives in Apache Junction and has been working for Dr. McMahon since 2001. She is married to Steve and has two children, Chelsea and Brett. She also is a grandmother to Mackenna Marie. The family enjoys sports and spending time together. Both kids are very involved in playing sports such as basketball, football, and baseball. Jeanne really enjoys dentistry and loves working at Gold Canyon Dentistry. Jeanne has been with our office since 1997 and knows the detailed specifics about individual cases. Jeanne keeps our supplies, sterilization, and laboratory work in immaculate order.


 

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Leticia Nieto, Dental Assistant

Leticia Nieto, also known as Letty, was born and raised in globe. Inspired by her older brother, she got into dentistry. She attended Gila Community College for a degree in dental assisting and graduated in 2020. She is happy to be part of an amazing team as she learns and improves her skills. She enjoys being around the office and hopes to become the best assistant she can be.


 

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Tami Jackson, Dental Hygienist

Tami is originally from the White Mountains area, but grew up in Canada. She later moved to Arizona and graduated in 2003 from Phoenix College. Tami loves building relationships with her patients and helping them maintain a healthy smile. When Tami is not working she enjoys spending time with herhusband and 4 kids. they enjoy being outdoors and staying active, and have recently added rock climbing to their family activities.



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Dana Sinelli, Dental Hygienist

Dana has been practicing dental hygiene in Gold Canyon for over 17 years and has been in the dental field as long as she can remember. She is the daughter of the original Gold Canyon Dentistry practice founder Dr. J. Howard Downs, DDS. Dana loves working with Dr. Pam and her team. She apprenticed under her father as a dental assistant at his first practice in Mesa and she graduated from the Rio Salado Dental Hygiene program in 1999 with high honors. Her main goal is to help her patients retain their natural teeth while building a lasting relationship with them.


 

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Ande Badger, Dental Hygienist

Ande has lived in the AZ valley for 40 years. She has been married to her husband for 22 years and has four amazing kids. She loves the outdoors and hikes in her freetime. She also has a creative side as she loves singing, reading and designing custom T-Shirts! Ande believes a beautiful healthy smile is one of the more important things in life, which she helps her patients achieve with her wonderful expert care.


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Kim Mannie, Dental Hygienist

Kim started working as a dental assistant in 1998. She graduated from Rio Salado Dental Hygiene school in 2004. She worked full-time at Gold Canyon Dentistry from 2004-2008. She then moved to the White Mountains and worked full time from 2008-1015 before moving to South Dakota for a few years. Kim loves dental hygiene and has been part-time with our Gold Canyon Dentistry family since moving back in 2017. She is grateful to work with such amazing coworkers and patients. She enjoys serving as a team player in our patients' oral healthcare. During her off time, she juggles schedules for four busy, healthy, amazing kiddos. When Kim and her husband have downtime, they enjoy family activities and all outdoor activities...or just resting.


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Maddie Zimmer, Dental Hygenist

Maddie is a recent graduate of Mesa Community College's Dental Hygiene Program. During her education, she built a strong skill-set in patient care. She loves to learn about her patient's lives and backgrounds while delivering exceptional hygiene treatment. She takes pride in giving her patients the knowledge and tools necessary to take charge of their oral health. She's extremely excited to continue cultivating her skills here at Gold Canyon Dentistry. She was born in Casa Grande, Arizona and has lived in Gold Canyon for the last 7 years. In her free time she enjoys hiking and spending time with her family and friends.


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Maureen Williams, Front Office Team

Maureen was born and Raised in Arizona. She has been in the dental industry for 20+ years and has worked in every aspect of a practice. She started out as an assistant and has moved to the front office. She also taught dental assisting for four years. Maureen's favorite part of dentistry is getting to know her patients and being with them throughout their dental treatment. She enjoys spending time with her fiance Josh, and their beloved furrbabies Lily, Gemma and Ubba.