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Meet Our Team


David C. Koski D.M.D. 



Dr. Koski graduated from Case Western Reserve University and obtained a Bachelor of Arts and Science degree. He continued his graduate studies at Case Western Reserve University school of Dentistry and achieved his D.M.D. degree in 1987. After his graduation, Dr. Koski broadened his dental and medical skills by completing a general practice residency at the Veteran's Administration Hospital in Cleveland, Ohio.

Today, he continues to further his expertise and training in areas of biologics/PRF, facial esthetics, laser therapy, implantology, TMJ, and endodontics.


Dr. Koski enjoys spending time with his family and friends. His interests include playing golf and sailing competitions.

Every day, Dr. Koski strives to provide a higher level of care for his patients by creating the smile they deserve.

Diane M. DePaul D.D.S. 



Dr. DePaul began her undergraduate education at John Carroll University, but received her Bachelor of Arts and Science Degree from Case Western Reserve University due to an early admittance into Dental School. In 1987, she achieved a D.D.S. degree from Case Western Reserve University School of Dentistry with special honors in Periodontics.

Dr. Diane M. DePaul married Dr. David Koski in 1990. They have four children-Kyle, Conner, Chandler, and Kaleigh. Attending sporting events with her spouse and children are always on Dr. Diane’s agenda, she also has a passion for art. Growing up in a dental family, Dr. Diane always knew dentistry would be for her and what it meant to follow in her dad’s footsteps. After many years in practice, she still continues her quest for knowledge in all facets of dentistry. She finds aesthetic dentistry particularly fulfilling and enjoys making a positive impact on a person's life.


Both Dr. Dave and Dr. Diane are committed to making their employees and patients  feel like extended family!


Nada Francis RDH, 24 years with Koski DePaul Dental Group 

Nada was born in Senegal, West Africa and then relocated to Cleveland at age 12. She attended Cuyahoga Community College where she earned her associates degree in Dental Hygiene. She thoroughly enjoys her hygienist position, creating long lasting relationships with patients, and changing their lives for the better. Nada strives to grow within the profession by learning new techniques as they develop. In her free time, she enjoys travelling, and spending it with family and friends.


Megan Koski, RDH, 4 years with Koski DePaul Dental Group


Megan was born and raised right here in Highland Heights, Ohio. She is a graduate of Youngstown State University. Go Guins! Megan has been a hygienist for 6 years with experience in pediatrics and periodontics. She has a passion for helping patients reach their best smile potential! Megan would love to help you with your dental needs, from gum issues to whitening! When she's not caring for patients, she's enjoying time with her new husband, Dr. Kyle Koski and their Bernedoodle, Manny.  Megan loves cheering on the Cleveland Indians, baking delicious treats, and playing with her nephew and nieces aka her "Mini's".


Andrea Johnson RDH, 9 years with Koski DePaul Dental Group 

Andrea pioneered her dentistry career as an assistant in the early 1990's.  Soon after she enrolled in college and earned her Registered Dental Hygiene degree from Lakeland Community College in 1995. Andrea has been married for 25 years and has raised three wonderful children. She spends her spare time reading, watching movies, swimming, being a mom a yellow lab named Deacon. Andrea has been a part of the Koski DePaul team for a long time and she never ceases to rise up to a challenge. She still finds her dental career very rewarding especially when she is assisting patients with maintaining their healthy smiles.

Office Administrators

Afsaneh Pantani, 4 years with Koski DePaul Dental Group 


Afsaneh was born in Tehran, Iran and lived there until age 15.  Then she and her family moved to Mallorca, Spain where she finished her high school education.  At age 17, she moved to the United States to attend The College of Wooster where she obtained a BA in Biology, with a concentration in Spanish and Economics.  Her 35 year career in dentistry spans all facets, but found her true passion is managing dental operations.  She heads up all of the day to day practice operations at KDDG.  Some of her hobbies include traveling, ice skating, reading and spending time with friends and family.  As a proud mom, she’s so thankful to experience many of her children’s accomplishments, including being a grandma!

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Nicole Maltry, 7 months Koski DePaul Dental Group 


We are so excited to welcome Nicole to the Koski DePaul Dental team!  Nicole is a native Clevelander that grew up in Mentor, Ohio.  She is new to dentistry, but has always had a strong interest in the dental field.  She loves people and her extensive customer service experience fits perfectly in our office.  She is mom to  fur kids, cocker spaniels, Lucy and Lila and cats, Fiji and Floyd.  In her free time she enjoys volunteering at her local animal shelter and cheering on her favorite team the Pittsburgh Steelers with family.

All members of the Koski DePaul Dental Group team hold certifications in Radiology and HIPAA.

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