Our Team

Get to know everyone who works at Knoxville Dental Center. Our team is made up of amazing individuals who want to make you feel your best.

Dr. Andrew Secory


Dr. Andrew Secory is from Clear Lake, IA. He received his Bachelor of Arts degree in Biology from Wartburg College. He then went on to the University of Iowa College of Dentistry and received his Doctor of Dental Surgery degree. Dr. Secory is a member of the American Dental Association, the Iowa Dental Association, and the Des Moines District Dental Society. As a dentist, Dr. Secory enjoys getting to know each and every one of his patients and strives to give his patients the best experience possible. He is active in the Knoxville community as a member of the Knoxville Chamber of Commerce and Celebrate Church. Outside of the office, Dr. Secory and his wife, Sarah, enjoy spending time with their two children (Ada and Benny) and dog (Hank), as well as other family and friends. They are passionate Iowa Hawkeye fans and love attending games in Iowa City. In his free time, Dr. Secory likes to be on the golf course or doing something outdoors.

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Chelsea is our lead front office coordinator and is happy to answer any questions you may have and find appointment times and treatment plans that work with your busy life. She is a native to Knoxville and graduated from KHS in 2011. Chelsea enjoys spending time with her significant other (Dustin), daughters (Payton & Brynlee), family, and friends. Chelsea enjoys raising her daughters, participating in outdoor activities, attending our local sprint car races, cheering on the Iowa Hawkeyes & KC Chiefs, and assisting Dustin with his many projects.

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Mary is our front desk receptionist, is a Knoxville native and graduated with the class of 2014. Mary resides in Knoxville with her boyfriend Zach and two dogs (Ellie and Floyd). Mary enjoys spending her free time at the lake boating, catching up with friends, and spending time with family.

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Rebecca is a native of Knoxville graduating in 2011. She then went on to Indian Hills Community College where she obtained her Dental Assistant certificate. Rebecca has a passion for advancing and expanding her knowledge in the dental field and has taken specialized training in Expanded Functions for Dental Assistants. Rebecca strives to create a relaxed and comfortable environment for each of her patients to ensure a positive dental experience. In her spare time, Rebecca enjoys spending time with her friends and family, traveling, rooting on the Iowa Hawkeyes and Cubs, and anything that involves the outdoors!

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Barbara graduated from the Dental Assisting Program at DMACC in 1996. With over 23 years of assisting experience, she has enhanced the team with her Expanded Functions Qualifications. Barbara strives for a positive patient experience in patients of all ages. In her time away from the dental chair, Barbara enjoys running, biking, and spending time with her husband Jim, and their three children, Haley, Jordan, and Carter.

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Cassie received her Dental Hygiene degree from DMACC and has been part of our team since 2013. She lives in Pella with her husband, Ben, and sons, Oliver and Elijah. In her free time, she enjoys baking, boating, camping, and spending time with friends and family. Her favorite part of dental hygiene is helping each patient to feel confident about their smile.

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Grace is a Knoxville native. She received her dental hygiene degree from Indian Hills Community College in 2021. Grace pursued a career in dental hygiene because she always notices a smile. In her free time she enjoys spending time with her boyfriend Ben and their lab Mötley. She also enjoys traveling, boating, sprint car racing, and Cardinals baseball.