Our Hygienists
Shelley R Barnd, RDH
School: Oregon Health & Science University
Year Graduated: 1988
Hire Date: 07/20/1988
Bio: Shelly obtained a Bachelor of Science Degree in Dental Hygiene in 1988 at Oregon Health & Science University School of Dentistry. She has been with Wendel Family Dental Centre since 1988 and is our managing hygienist. She has a special interest in providing periodontal treatment.
Shelley is married and has one son. She lives in the country on acreage and enjoys spending time with her family and many various animals.
Nancy K Sweeney, RDH
School: Clark College
Year Graduated: 1995
Hire Date: 03/27/1998
Bio: Nancy graduated from Ridgefield High School. She graduated from Clark College Dental Hygiene School. Nancy has been with Wendel Family Dental Centre since 1998. Nancy is a busy Mom of twins. She enjoys hiking and traveling.
Valentyna Sapizhinska, RDH
School: Clark College
Year Graduated: 2023
Hire Date: 10/14/2023
Bio: Valentyna moved to the USA from Ukraine in 2017. She received her Associate of Science in 2019 and Bachelor’s in Applied Science in Dental Hygiene in 2023.
She likes to explore nature and hike in Oregon and Washington. Her favorite hiking trail is the Maple Pass Loop in North Cascades National Park. Her favorite TV show is Anne of Green Gables and she enjoys Vietnamese and Indian cuisine.
Jessica Stubblefield, RDH
School: Portland Community College
Year Graduated: 2023
Hire Date: 2025
Bio: Jessica graduated from Portland Community College with her degree in Dental Hygiene in 2023. Since then, she has worked in both Portland and Vancouver and is passionate about providing thoughtful, compassionate care to her patients. Originally from Southern Oregon, Jessica moved to Vancouver in 2019 and is happy to call the Pacific Northwest home. Outside of the office, she loves spending time outdoors, including skiing, paddleboarding, hiking, and camping with her husband.
Olya Rezaei Sadri, BSDH
Hire Date: 10/14/2023
Bio: Olya holds a Bachelor of Science degree in Dental Hygiene, graduating from Pacific University (2009), a Bachelor of Science with a minor in Biology from Portland State University (2004), and an AA degree from Clark College (2002). She has worked full-time building her career as a dental hygienist since 2009 and has served as a part-time clinical and restorative lab instructor at Pacific University for three years. Olya is married to a dentist and has one son, born in 2017. Outside of work, she enjoys traveling, hiking, fitness, and reading scientific literature, including National Geographic. She is fluent in Farsi / Persian language.
