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Meet the Team

The Staff at  Dental Expressions

Erica, Patient Care Coordinator & Human Resource Manager at Dental Expressions.


Patient Care Coordinator & Human Resource Manager

Erica began her career in dentistry in 2011 as a Certified Expanded Functions Dental Assistant as part of the team at Dental Expressions. After spending a few years in that role, she transitioned to Patient Care Coordinator and HR manager. She has found her clinical knowledge a great asset to patient experience, being able to help patients over the phone with a deep understanding of each dental procedure and post operative care.

Erica is usually the first face you see when you enter the office and the first voice you’ll hear over the phone. Erica prides herself as being a team player and helping out anywhere needed in the office, occasionally you will even see her taking an X-rays or assisting the doctor.

Erica spends her time outside of the office with her adorable miniature dachshund, Howie and husband Joe. They love spending time on the Oregon coast or in wine county. Erica also enjoys cooking and baking; she loves sharing her creation with others and hosting dinner parties or brunch.

Gina, Patient Care Coordinator & AR Manager at Dental Expressions.


Patient Care Coordinator & AR Manager

Gina has been serving the dental community for many years, having served as a Dental Assistant for over 25 years. Gina joined Dr. Sheppard’s team in 2016 as his office manager.

Gina has a Bachelor’s of Science in business administration and major in marketing. Gina enjoys spending time getting to know our patients and says they all feel like family.

Gina loves fashion and fun bright colors! She enjoys traveling and visiting National parks, hiking and kayaking as well as live music. Gina spends a lot of time with her son and his family. She just shared the exciting news that she will be a grandma early next year!

Sierra, Registered Dental Hygienist BSDHE at Dental Expressions.


Registered Dental Hygienist BSDHE

Sierra, our fulltime Dental Hygienist has worked alongside Dr. Sheppard for 3 years. She has been serving our community for the last 10 years. She graduated from Mt. Hood Community College Dental Hygiene program in 2013.

Sierra has always felt passionate about helping others which was a driving factor in becoming a dental hygienist, she is able to demonstrate that passion by helping patients understand their oral health in a way that impowers them without making them feel bad or uncomfortable. She eases patients dental anxiety with her calming personality and use of minimal sedation nitrous oxide.

In her spare time, she loves to travel and chase the sun during our long winters in the pacific northwest. You will often find her spending time with her two dogs Duke and Duchess. Sierra focuses on maintaining a well-balanced and healthy lifestyle.

Kathryn “Kat”, Registered Dental Hygienist BSDH at Dental Expressions.

Kathryn “Kat”

Registered Dental Hygienist BSDH

Kat began her dental career in oral surgery as an assistant for 8 years. She then attended Mount Hood Community College and graduated with an Associate of Applied Science in Dental Hygiene in 1996. She later completed her bachelors of science with academic honors through Eastern Washington University.

Kat has worked in general Dentistry and several years in Periodontics while also teaching for 22 years as a senior clinical instructor at Mt. Hood Community College.

She joined our team in 2021 and enjoys the relationships she has with her patients and co- workers. She’s friendly, compassionate, caring and devoted to her patients and profession.

Kat adores her four grown children, eleven grandchildren and two kitties Lil’ Jon and Miss Purrl! She enjoys cooking, entertaining, volunteering, hiking, gardening, snorkeling and spending time with her husband Bill and family.

Lindsey, Registered Dental Hygienist BSDH at Dental Expressions.


Registered Dental Hygienist BSDH

Lindsey’s dental hygiene career started in 2013 in the Portland Metro area where she resides with her husband Tom and young son Benji. Growing up, Lindsey went to an exceptional dentist and always had a great experience, which sparked her passion for dentistry.

Lindsey shares, her heart is working in private practice. Where she can pass on that same experience and connect personally with her patients, while forming long lasting professional relationships. Her goal is to ensure that at each visit her patient is met with comfort, understanding, a positive experience, then get to leave with their best smile. Lindsey began working with Dr. Sheppard in 2021 and feels she has found a great fit in this private practice.

In Lindsey’s spare time, she enjoys the outdoors, traveling to Hawaii, different culinary experiences and most of all, spending time with family and friends.

Stacie Jean, Dental Assistant at Dental Expressions.

Stacie Jean

Dental Assistant

Stacie kick started her dental assisting career in 2014 graduating from Concord Carrer College.

She has been enjoying dentistry for the last 9 years and loves learning and always developing new skills to bring to her patient care. Stacie is very dedicated to the profession and has a very strong work ethic.

She is the newest asset to the team here at Dental Expressions, just wrapping up her first year as part of the family here she is looking forward to many more years to come!

When Stacie isn’t at the office you can be sure she is outside in the trees on a cozy rainy Oregon day or searching for the sun!

Becky, Dental Assistant at Dental Expressions.


Dental Assistant

Becky joined the dental field 23 years ago. October 2000, she joined her childhood dentist Dr. Tullis practice, a staple of the Lake Oswego community as his Dental Assistant. In 2018 Dr. Sheppard acquired the practice as Dr. Tullis retired. Becky was a great asset in the transition of all her long-time patients to the new location.

Becky and Dr. Sheppard have grown close working together for the last five years. Becky would say her favorite part of dentistry is the relationships she has made over the years, and the family aspect a privet practice provides.

In Becky’s spare time she loves spending time with her family, visiting National parks and exploring the United States. Becky spends as much time outside as she can from hiking, biking and kayaking to taking in a baseball game. She just loves being in nature.

Cali, Therapy Dog at Dental Expressions.


Therapy Dog

Cali joined the practice when Dr. Sheppard rescued her from southern California, where she gets her name. Cali was instantly meant for dentistry. She loves to sit with patients during their cleaning or treatment, sometimes she will even take a look in the mouth to check on what’s being done.

She loves all people and kids. Cali enjoys taking long walks at lunch time and playing with her squeaky toy, but she is always happiest when she is in Dr. Sheppard’s arms.

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Dental Expressions - Dr. Matthew M. Sheppard, 4200 SW Mercantile Dr. Suite #740, Lake Oswego, OR 97035 ^ (971) 353-4448 ^ ^ 6/22/2024 ^ Related Terms: dentist Lake Oswego OR ^