Meet Our Team

dentists offices west chester pa dr dave david j montgomery meet our team
David J. Montgomery


“Making you smile is almost as important to me as improving your smile! It is very gratifying when we can turn our patients into friends who enjoy coming in for a visit.”

Dr. Dave grew up in the Northern Virginia suburbs of Washington, D.C. He graduated Summa Cum Laude from Old Dominion University in 1990 and Magna Cum Laude from The Medical College of Virginia in 1994. Among other numerous honors and awards, he received the awards for Outstanding student in both periodontics and general dentistry. In his professional career, he is consistently selected by his peers as one of Main Line Today Magazine’s ‘Top Dentists‘ for the past 10 years including the most recent 2019 issue. He is currently pursuing a Fellowship in the Academy of General Dentistry following the completion of over 500 hours of continuing dental education credits. Dr. Dave is the reviewing school dentist for the West Chester Area School District. He is also a volunteer dentist at our local clinic; Community Volunteers in Medicine (CVIM) where he and other dentists and physicians treat thousands of patients in need on an annual basis. His wife, Dr. Jane Grosser, is an orthodontist that also practices locally at Tanzilli Orthodontics. Drs. Dave and Jane reside in West Chester where they are raising their three children; Shannon, Matthew and Evan as well as their Portuguese Water Dog, Millie. Some of Dr. Dave’s interests include snowboarding, golf, water sports and ice hockey. He has been a life-long fan of the 2018 Stanley Cup Champion Washington Capitals.

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Ryan C. Dunn


“I enjoy the creative and artistic side of dentistry. When you love your smile, you are more confident and it shows.”

Dr. Dunn graduated from St. Lawrence University in Upstate New York in 1999. He went back to St. Lawrence for his Masters in Education before following in his sister’s footsteps by pursuing a career in dentistry at Temple University. Dr. Dunn had practiced in the Philadelphia area for over twelve years. He and his wife Diana reside in their home in Glenmoore with their dog Carl and their three young children; Finnigan, Hudson and Brodie. Dr. Diana Dunn is an instructional coach who teaches at East Bradford Elementary in the West Chester Area School District. They both enjoy the outdoors, changing diapers and spending time hiking in the Adirondack Mountains.

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Sue P

Insurance Coordinator/ Gal Friday

“Being with our team for over 36 years, I have had many jobs in our office. One of the most rewarding is being able to help someone accomplish their goals with their dental treatment plan. From the beginning of their journey to the end ,my job enables both the patient and myself to smile.”

Sue is our professor of Insurance-ology. She will be able to answers your tricky questions about your employer’s benefit plan. If Sue can’t answer it, she knows where to find the answers.

dentists offices west chester pa ann cogill meet our team
Ann Cogill

Appointment Coordinator

“I LOVE working with the team at Chester County Family Dentistry! Everyone is totally dedicated to the well-being of our patient's needs. Currently, I enjoy the position of Front Desk Coordinator, welcoming and helping patients with their scheduling requests.
It has been over 26 years since I joined this team and have learned so much about how our dental health can affect our entire body. Our hygienists strive to educate our patients to help them live healthier lives through dental hygiene.
With eight grandchildren, I am truly blessed with a loving family, both at home and at work!”

Ann is also in charge of our continuing care call system. You will get a call or email from her if it is time for you to schedule your next cleaning and exam visit.

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Wendy Biront

RDH – Dental Hygienist

“As one of our dental hygienists, I am proud to say our hygiene department takes the latest technology and current research combined with caring personal service creating what we hope is your best dental experience ever.”

I’m a graduate of Thomas Jefferson University (B.S. in dental hygiene) and have completed Masters courses in Public Health at West Chester University. Of the plethora of continuing education I’ve attended my interests lean toward children’s dental health, periodontal disease, and sterilization techniques. After 21 years of full-time fun at the office I am now a part-timer. If I’m not working out at the YMCA I’m spending time at our West Chester home with my husband Mike, 14 year old Michael and 12 year old Bradley. They are the most challenging dental patients I’ve ever had. But yes, their teeth get brushed and flossed everyday!”

dentists offices west chester pa renee hasse our team
Renee Hasse

Dental Assistant

“I just celebrated my 23rd year in our office and it has been a lot of laughs and loads of fun. I’ve enjoyed getting to know all of you that continue to see us on a regular basis. If you’re not a patient, but have visited our website and are considering having us as your dentist, I know you’ll be happy with our dental team and the level of care you will receive. I look forward to seeing you soon!”

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Corinne Olson

Dental Assistant

“I moved to Chester County over 20 years ago and have been amazed at the rapid growth. I hope all new residents will come to trust our dental practice for all their family’s needs. We all are committed to staying informed on the latest dental education and technology.”

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Danielle Sydenstricker

RDH – Dental Hygienist

“I graduated from the University of Pittsburgh’s Dental Hygiene program in 2004. Originally from Pittsburgh, I moved here to the Greater Philadelphia area to join this amazing dental practice and be able to educate our patients on the mouth/body connection as well as the importance of good oral hygiene. Dentistry is an ever-changing art and I enjoy taking continuing education courses with my colleagues to keep up with the new schools of thought. I live in West Chester with my husband and our dog, Katie. We enjoy hiking and spending time with our family.”

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Erin P.

RDH – Dental Hygienist

“Dental Hygiene is a stimulating career with new advancements and technology. Each patient is diverse and unique requiring different treatment needs and education that varies from appointment to appointment. That is what makes each day new and exciting.”

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Shelley Brown

Financial Coordinator

“I began working in the dental field 20 years ago and truly enjoy what I do. I am one of your first points of contact at Chester County Family Dentistry; here to assist and guide you through the first steps of achieving the smile you have always dreamed of. I strive for meaningful and thorough patient relationships, ensuring every patient is comfortable and fully-informed about their treatment options.”

Outside of the office, I love spending time with my wonderful family.  I enjoy spending time with my three boys, fishing, camping, going to the beach and attending all of their sports activities. My three boys; Khalil, Joseph Jr., and Camwren, never allows me to have dull moment!

Meet Our Team Pam Allen Chester County Family Dentistry
Pam Allen

Patient Coordinator

“I grew up in Delaware County and moved to Chester County 11 years ago. I have four children and four grand children and enjoy spending my free time with them. I recently joined the practice after many years as a patient and also brought my children to the office for their dental needs. Both my sister (Jackie) and my daughter (Becky) have been team members for many years. I am very grateful to have this opportunity to work with such a great dental family and I am excited for my future here. I look forward to answering your calls and helping you schedule your cleanings and appointments. My goal is to greet you with a smile and make sure your visit to our practice is a pleasant experience. See you soon...”

dentists offices west chester pa becky allen meet our team
Becky Shotwell

CDA, EFDA – Certified Dental Assistant, Expanded Function Dental Assistant

“I am a Chester County transplant, originally from Delaware County born and raised. I have been working here with the office for over 18 years now, and still loving every minute of it. Throughout the years here I have strived to be the best at what I do. I am one of our Expanded Function Dental Assistants (EFDA). This means that you will see me with a more “hands-on” role while you are in our dental chair as I help the doctors to improve your smile. I am the Lead Instructor at the Contemporary Health Career Institute in Exton where I teach a weekly dental assistant training program designed to introduce new assistants into our dental field. I thoroughly enjoy working with our patients here in the office. I look forward to putting beautiful smiles on their faces because they put a smile on mine every day. I couldn’t ask for a better team to be a part of. I look forward to meeting you and welcome to our Dental Family.”

dentists offices west chester pa kristen s waits meet our team
Kristen S. Waits

Dental Assistant

““I’ve been working at Chester County Family Dentistry for over 10 years now, and truly love it. We’re a family here at the office. You will see me when you come in for your cleaning, working very closely with our wonderful hygienists to provide you with the best experience. I hope to see you soon!””

When not at work, I can usually be found in my hometown of Gap, in Lancaster County. My husband and I are enjoying raising our daughter and plan to stay in the area for years to come. We love it here!

Teonna Harris

Dental Assistant

“It makes me so happy to see patients walk out of our office with a smile on their face!”

I’ve been working for Chester County Family Dentistry for almost a year now and I love it here! It’s welcoming atmosphere makes me feel so blessed that I was given a chance to be a part of such a great team. I graduated from Contemporary Health Career Institute in 2018, where Becky (our EFDA) was my teacher. I enjoy helping others, and getting to know each and everyone. I am so excited to see what the future holds!

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