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, a Knoxville native, and a graduate of KHS class of 2011. Chelsea continued her education and obtained her Bachelor of Science degree in Business Management. As our lead front office coordinator, she enjoys overseeing the daily office operations and administrative duties in the office and providing a welcoming environment for our patients. Chelsea resides in Knoxville with her boyfriend, Dustin, and daughters ,Payton & Brynlee. Outside of work, Chelsea enjoys watching her daughters' swimming events, attending our local sprint car races, cheering on the Iowa Hawkeyes and KC Chiefs, and spending time with her family and friends.

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Mary is our front desk receptionist, a Knoxville native, and a graduate 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 our office clinical lead and a native of Knoxville graduating KHS in 2011. She then went on to Indian Hills Community College where she obtained her Dental Assistant degree and continues to advance and expand her knowledge in the dental field by becoming an Expanded Functions Dental Assistant. Outside of the office, Rebecca enjoys spending her free time reading and with her husband, Ryan, and their lab, Aspen.

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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 fiancé, Ben, and their lab, Mötley. She also enjoys traveling, boating, sprint car racing, and Cardinals baseball.