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About Thacker Insurance Service LLC
Meet Our Staff

As our client, you will have a team of highly qualified professionals working for you to provide you with the best coverage for you, your family, or your business. Building a long-lasting relationship with our clients is our number one priority.

Curtis A. Thacker
Agency Owner
Direct: (618) 664-4266

Curtis is excited to bring new energy and approach to the family agency started by his parents in 1982. He brings 31 years of insurance experience to his role as both owner and producer, working closely with commercial and personal insurance clients to find the right policy for their needs. Curtis also relies on the leadership skills he gained from collegiate baseball to guide his strong team of professionals to deliver quality service to you.

Curtis is the proud husband of Natalie and proud father of one daughter and one son. When not in the office, Curtis is active in his community, serving on the boards of HSHS Holy Family Hospital Foundation and the Greenville Chamber of Commerce. He is an avid fan of the St. Louis Cardinals, St. Louis Blues, and Dallas Cowboys (but don’t hold that against him).

Shellie Simmonds
Office Manager
Direct: (618) 664-4266

Shellie came to Thacker Insurance Service in March 2017. She has 9 years of insurance experience and takes pride in her attention to Client Login and insurance education. Shellie loves to ensure her clients fully understand their policy decisions. Raised in the Mulberry Grove and Greenville area, Shellie and her husband live on their family farm just south of Greenville and enjoy spending time with their two adult sons and their families.



blake knox
Sales Agent
Direct: (618)664-4266
Blake Knox joined Thacker Insurance Service in December 2020 and brings over 6 years experience in the insurance industry. A Greenville native, Blake is determined to provide the best service and coverage options for you and your family. Blake has a love of learning, and believes one should never stop learning new things. He enjoys teaching his clients about the details of coverage and the insurance industry in general. Blake loves Greenville and the surrounding area in which he grew up. Much of his “free time” is spent trying to make Greenville a better place to live and raise a family. In April 2023, at the age of 27, Blake became the youngest person ever elected to serve on the Greenville City Council and is honored to do so.



Rene Barr
Sales Agent
Direct: (618) 664-4266

Rene Barr joined Thacker Insurance Service in August 2021 with a background in agriculture and 16 years of experience as an agriculture teacher. The ability to apply her previous experience helps customers understand their policies and choose the best coverages for their needs. Rene grew up in and lives just north of Grantfork. She is blessed with a wonderful husband and five amazing daughters. She enjoys working on their small hobby farm, gardening, raising and showing livestock with her children, and supporting all things agriculture.

Ky Stoecklin
Sales Agent
Direct: (618) 664-4266

Ky Stoecklin has joined Thacker Insurance as a Commercial Insurance Producer that can also assist you with your home, auto, and life insurance needs.  A lifelong resident of Greenville, IL, Ky is excited to offer the best policies to his native community and his many friends and family.  Ky said, “When the opportunity to join the incredible team at Thacker Insurance Service came along, it was an easy decision.  We focus on providing the best protection at the best possible rate while offering the best service a client could ever need.

Jackie Williams
Client Login Representative
Direct: (618) 664-4266

Jackie joined Thacker Insurance Service with a fresh perspective, bringing along her stellar Client Login skills honed over 26 years in a Fortune 500 company. Although new to the insurance industry, her enthusiasm for helping customers is evident. Her journey back home to southern Illinois after years up north reflects her love for community, a value she upholds while volunteering at the Bond County Senior Center and being an active member of the Moose Organization.

Jackie not only thrives in her role as a CSR but also enjoys exploring the world as a travel agent, reveling in live music, and indulging in pasta and chocolate. Her knack for giving and receiving surprises embodies her approach at Thacker Insurance Service—always ready to go the extra mile to ensure clients are well-informed and satisfied.