Meet Our Doctors

Dr. Jeffrey Backer D.D.S.
“Local boy” went to Howe, Oneida, Linton (back in the day) and Union College (Cum Laude). Upon completion of his undergraduate degree from Union College, Dr. Backer attended New York University College of Dentistry. After graduation, Dr. Backer worked in the largest group practice in Albany for nine years before embarking on endeavors of his own and starting Scotia Glenville Dental Center in 1989.
Dr. Backer has attended many diverse courses over the years including:
  • Institute for Advanced Dental Studies-Perio Prosthetics with Dr. Kramer and Dr. Nevins.
  • NYU College of Dentistry one year Implant Continuum with Dr. Garg.
  • Montefiore Hospital Oral Surgery Program.
  •  Advanced Orthopedic and Orthodontic Therapy Program with Dr. J. Wellington Truitt
  • Continuing Care Programs by Dr. Jim Pride
  • Occlusal Rehabilitation Programs with Dr. Pete Dawson

The above-named doctors had a profound influence and helped shape this practice to achieve its motto, “All Aspects of Dentistry, All Ages, All in One Place”. Recognized by NYS Dental Association for achieving more than 1000 hours of continuing education.

Dr. Backer’s children Elliot, Rebecca and Diana are all dynamic adults now. Elliot was Chief Resident of Internal Medicine and is now a Fellow in Critical Care Pulmonary. Rebecca has a Master’s Degree in Sustainable Engineering, and Diana a graduate of Syracuse University’s Newhouse School of Advertising. His daughter-in-law, Allison, is soon to be a Radiologist.
When he has free time, Dr. Backer enjoys boating, fishing, watercolors, woodworking and his dog Redson.
Dr. Martin Stess, D.M.D
Dr. Martin Stess is a New Jersey native who recently relocated to Scotia to join the outstanding clinical staff of Scotia Glenville Dental Center. He and his wife, Susan have two children David and Andrea. Dr. Stess completed his undergraduate work at Allegheny College and received his dental degree from Fairleigh Dickinson School of Dentistry. He served a tour of duty, as captain in the Army and then started a private practice in Flemington, NJ, where he offered the highest quality care for over 25 years. Dr. Stess also provides dental treatment on the weekends to National Guard soldiers in the tri-state area who are preparing for deployment. When away from his responsibilities at Scotia Glenville Dental Center, Dr. Stess enjoys spending time with his family and their spaniel, Maggie. He is a passionate Yankee and Jets fan. A three time NY Marathon participant, Dr. Stess now limits his exercise to occasional jogging and yoga.
Dr. Sergey Berenshteyn
Dr. Sergey Berenshteyn is a Board Certified Orthodontist who  is limited exclusively to the specialty of Orthodontics and Dentofacial Orthopedics. Through combined use of patient education and state of the art technology, Dr. Berenshteyn strives to achieve the best possible results in the most conservative, predictable, and efficient manner.
Dr. Berenshteyn obtained his Doctorate of Dental Surgery degree from Stony Brook School of Dental Medicine. He completed an additional year of General Practice Residency, which was followed by two additional years of Post-Graduate Orthodontic training at the University of Detroit Mercy in Michigan. Upon completion of his post-graduate training, Dr. Berenshteyn was awarded his certificate as an orthodontic specialist. Furthermore, Dr. Berenshteyn concurrently completed his masters thesis project and obtained an M.S. degree. Dr. Berenshteyn gained further recognition for his academic and clinical achievement by being selected for membership in the prestigious Alpha Sigma Nu.  
Dr. Berenshteyn is a member of the American Dental Association, The American Association of Orthodontics, and most recently became a diplomate of the American Board of Orthodontics. Having achieved special recognition throughout his education and clinical practice in the field of orthodontics Dr. Berenshteyn is dedicated in addressing individual patient concerns and fulfilling expectations to the highest standards of function and aesthetics.
Dr. Berenshteyn has been married since 2008. His wife Biana is an Emergency Room PA. Together they have 2 lovely children, daughter Emma and son Joseph. They live in Guilderland, New York. Dr. Berenshteyn looks forward to having you come in for a visit!

Office Manager

Amber has been with SGDC since 2014. She has been in the accounting, HR and medical field since 2000. She is married and has two children. In her spare time she enjoys spending time with her family; watching her kids play sports, camping, hiking in the Adirondacks and vacationing at the beach every summer.

Dental Hygienists

Allison graduated from Hudson Valley Community College Dental Hygiene Program in 2016. She has been with Scotia Glenville Dental Center since May of 2016, prior to that she was a Dental Assistant for four years. She grew up in Ballston Spa and currently lives in Latham, with her boyfriend Matthew and her dog Lola.

MaryAnn is a graduate from HVCC in 1996 with a Dental Hygiene degree and has been a hygienist for 18 years. She’s enjoys working at SGDC since October 2013 because of the family-like atmosphere. MaryAnn has been married for 21 years and has three wonderful children.

Lauren graduated from Hudson Valley Community College Dental Hygiene program in 2012 and has worked for SGDC since 1/24/13. Lauren enjoys spending time having fun in the sun and coming home to her two year old Boston Terrier, Zoe.

Dental Assistants

Diane – Certified Dental Assistant
Diane has been with SGDC since September 2011 as Dr. Marx’s assistant. She has been assisting for over 25 years and a CDA in NJ, CA, PA and became certified in NY in 2011. Diane enjoys vacationing with her family in the OuterBanks.
Michelle – Dental Assistant
Michelle has been with SGDC since August 2002 as Dr. Backers assistant and has also been crossed trained in administration. Michelle is currently enrolled at HVCC to become a CDA. On her weekends she enjoys spending time on their boat on Lake Oneida.
Staci – Certified Dental Assistant
Staci has been with our team since 2012. She graduated from both Adirondack Dental Assisting School and Monroe Community Colleges’ Dental Assisting Program, she was then able to take her DANB and become a Certified Assistant. In her spare time she enjoys playing with her two pit bulls, four wheeling and snowmobiling.
Monica – Dental Assistant
Monica has been with Scotia Glenville Dental Center since 2004 and a dental assistant for more than 19 years. Monica is currently enrolled at HVCC to become a CDA. Monica says she enjoys the opportunity working at SGDC assisting the doctors because she is a very caring and compassionate person and passes it on the patients. On her spare time she enjoys sailing on Lake Champlain with her fiancé.
Teris – Dental Assistant
Teris has been a dental assistant for 10 years. She graduated from The Dental Auxiliary Training Center for Dental Assisting in 2007. In her spare time she enjoys spending time with her family in Ecuador and swimming.


Kristen aka KK
Kristen has worked at Scotia Glenville Dental Center since 03/05/07, when she was a senior at Shaker High School. When KK started here in 2007 she was filing and pulling charts after school. Over the years, she has worked her way up to insurance Coordinator and assists Amber, the office manager with most everything. In her spare time she enjoys fishing, being outdoors, her dog Cash and spending time with her friends.
Jessica has been with Scotia Glenville Dental Center since 2008. She started filing and pulling charts and is now in patient administration. Jessica says she enjoys working at SGDC because it has expanded her knowledge on the different aspects of dentistry and would like to eventually attend HVCC to become a dental assistant. In her spare time she enjoys spending time with her two children and 2 dogs.
Lisa has been with SGDC since 9/21/11 and in the dental field for 20 years. She enjoys working at the front desk meeting and greeting all of our wonderful patients. Lisa has a 22 year old son and lives in Rotterdam. Lisa enjoys boating, sun and fun on the beach.
Cathy has been a part of SGDC’s family since 04/02/01. Cathy says ” I’ve seen much growth of the practice and finds it very rewarding to be a part of the high standards of dentistry SGDC provides. Cathy is a graduate of Spencer Business Institute in 1980. In her spare time she love to cook for family and friends. She also enjoys a good book to read. She especially enjoys traveling all over the world.
Stacey has been with SGDC since June 2016. She has been in the Dental field for 11 years. She is married with four children and has three adorable dogs, Harley Davidson, Bailey Bear and Neeko. In her free time she enjoys spending time with her family, watching NFL, Nascar and spending quality time at home.

Therapy Dog

Redson – Therapy Dog

Hi I’m Redson! I am a Kerry Blue Terrier, born February 28, 2012. Just like my dad (Dr. Backer), I attended many courses and my dad trains me in good manners every day.
I too, love to go boating, swimming, hiking in the Adirondacks, frisbee and sniffing! I have lots of friends who I bark with daily. But, the thing I love most is meeting new friends at the Scotia Glenville Dental Center (especially if they take time to massage my ears). You can find me back in the administrative area (I am not allowed to play where the Doctors work), so come say hello!
I tell everyone to brush three times a day and floss, also be sure to come back and see me and the Doctors at Scotia Glenville Dental Center AT LEAST twice a year!! Arf! Arf!