The KDJ Team


David D. Mueller – PRESIDENT/CEO

David graduated from Texas Lutheran College in 1971 and settled in Marion with his family in 1974. He spent several years in the Life Insurance industry before opening his own business, KDJ Insurance Agency, in Marion in 1981. David was elected to the Board of Directors of Hochheim Prairie Farm Mutual Insurance Company of Texas in 1997, and just the following year was elected Mayor of the newly formed city of Santa Clara, Texas. In 2002 the Hochheim Prairie Board of Directors named him Chairman of the Board. David is a past Director of the Texas Association of Mutual Insurance Companies and an active member of the Marion Economic Development District and the Marion Education Foundation.

Jewell P. Davenport – VICE PRESIDENT

Jewell P Davenport became a licensed Agent in 1986.   She graduated from Texas Lutheran University with Bachelor’s degree of Business Administration with an accounting concentration. In 2004 Jewell became a Partner of the Agency, and opened the KDJ Schertz office. KDJ Insurance Agency was established in 1981 and has strong roots in its community. Jewell is a founding board member of the Schertz Chamber of Commerce where she served as Vice Chair and Chair.   She currently volunteers as an advisory board member, and on the Biz Bud committee of the Chamber. She is also very involved in the Schertz Area Senior Center, Guadalupe County Children’s Advocacy Center and serves as the Treasurer for the Schertz Cibolo Universal City Education Foundation.   In her spare time, Jewell enjoys gardening, working out and spending time with her Husband, Friends and Family.

Cori Jett – Customer Service Rep.

Cori is a 1996 graduate from Marion High School who went on to graduate from Texas State University in 2003 with a BA in Finance.  She began her career working for Helzberg Diamonds in 2001 while completing her BA, and rose the corporate ladder to become a store manager.  In 2008 Cori joined KDJ Insurance Agency, and became a licensed agent.  During her time at KDJ, she was involved in Junior Achievement who partnered with Schertz-Cibolo-Universal City ISD to empower young people to own their economic success.  In 2013 she went to work in the corporate world for RBFCU. Cori rejoined KDJ Insurance Agency in June 2015 to develop new business and provide leadership for the team.  She enjoys spending time with her family and traveling.

“ My background in sales and the experience taken from the last 10 years in the insurance industry makes me uniquely qualified to service the needs of  KDJ clients.   I look forward to meeting you!”

Festus Davenport-Marketing Representative/Head Security

Insurance quote free auto life home
Festus Insurance Guru

Festus joined the KDJ Team in March 2018.  As the newest member of the KDJ Team Festus is excited to meet all the KDJ clients.  He is available for public appearances and barking engagements upon request.