We work with you on a personal level to determine the best solutions for your unique needs, then leverage our seasoned expertise to achieve the best possible results.


We are your trusted partner in success. Our firm is large enough to offer a full range of professional services at a fair price, but small enough to give you the individual attention that you deserve.


Rest assured that when a need arises, our firm is ready and capable to handle everything for you so you can focus on what matters most to you.

Staff Profiles


Darlene Luster-Davis

Darlene Luster-Davis is the firm’s founder. She is a graduate of Saint Louis University and is licensed as a certified public accountant by the state of Missouri. She oversees all aspects of the Tax Prep Zone.

Prior to founding the firm in 2016, she worked as Chief Financial Officer of two privately held businesses where she managed the accounting, finance and human resource departments for both entities. She traveled the world while employed by a major manufacturer of agricultural products, auditing its worldwide plants, offices, and operations. She began her professional career with one of the regions largest CPA firms. She was an Inroads Intern with the General Dynamics Corporation.

Luster-Davis has over 30 years of progressive accounting, audit and tax experience and has expertise in tax matters.

monaMona Jefferson

Mona L. Jefferson has over thirty (40) years of experience in tax preparation and financial consulting. She lends her expertise as Tax Manager of the Tax Prep Zone.  Mona Jefferson’s areas of expertise include:

  • Tax Preparation
  • Electronic Recordkeeping
  • Optimizing Payroll Packages