Meet the Team of KMN CPA LLC

The team of KMN CPA LLC is located in Marietta, Georgia and are experts in all areas of accounting, taxes, consulting, and business services.

Certified Public Accountant, Owner/Manager

About Kathy Moore-Nietrzeba, CPA

Kathy Moore-Nietrzeba prides herself on her over 30 years of experience working in the accounting field. Kathy is a Georgia native who received her Bachelor’s degree in Accounting from Kennesaw State University in 1987. Kathy began an internship at 21 years of age at Williamson & Sneed, Inc. which later turned into a 17 year career there. She became a CPA in 1994, and has enjoyed every moment since working with a variety of clients to ensure their financials and taxes are in order.

After Williamson & Sneed, Kathy opened her own CPA firm, Moore & Associates. Kathy had the opportunity to work with many clients within the medical and dental fields. From there, Kathy went on to work for Henssler Financial as an Accounting/Tax Manager for eight years.

It was in 2014 that Kathy decided to relaunch her own firm, KMN CPA LLC. She was then able to tailor her services directly to her clients’ wants and needs by providing them with an optimal level of service, whether it be done in person, over the phone or virtually. Kathy is also a proud member of the GA Society of CPAs.

Kathy lives in Marietta with her husband. She has two children and three grandchildren. During her free time, Kathy can be found spending time with her family and church, leaving some time for personal fitness and travel.

Certified Public Accountant

About Whitney Boyd, CPA

Whitney Boyd joined KMN CPA in May 2017 with over 10 years of experience working as a CPA in public accounting. She received both her Bachelor’s degree in Accounting and her MBA from Kennesaw State University and became a Licensed CPA in 2008. She spent her first few years of her career as a Staff Accountant for a local financial planning firm, The Henssler Financial Group.

In 2009 Whitney took the opportunity to relocate to New York City. She worked as a Business Manager and CPA for a highly regarded mid-sized CPA firm in Manhattan. Her clients were primarily in the entertainment industry – actors, directors, producers, and writers for television, film and Broadway. During these years, Whitney handled a variety of matters for her clients’ personal and business financial affairs from maintaining general ledgers, to preparing net worth statements for co-op boards, overseeing routine bill pay and managing her clients’ day to day cash flow. Additionally, she worked with a diverse set of advisors for her clients such as talent agents, attorneys, financial advisors, insurance agents, household employees, assistants – you name it!

After living in NYC for 7 years, Whitney and her husband decided to pursue yet another dream. They sold their belongings, filled a couple backpacks and set off. The couple backpacked around the world for 8 months, visiting 27 countries and making memories to last a lifetime. Now that she has settled in back home, Whitney currently resides in Milton, GA with her husband and daughter. In her free time, she enjoys running, hiking, cooking and of course traveling.


About Kristin Wickey

Kristin Wickey joined KMN CPA in July of 2019 as an Accountant contributing over 10 years of experience in the Accounting field. She earned her Bachelor’s degree in Accounting from the University of Central Florida and her Masters in Forensic Accounting from Florida Atlantic University. She is currently working towards obtaining her CPA license.

Prior to joining KMN CPA, Kristin worked for mid-size CPA firms in Florida and Georgia preparing financial statements and tax returns as well as participating in audits focused on clients in the educational and charitable industries. Kristin then took an opportunity with a top 25 defense contractor where she spent six years in multiple roles of increasing responsibility in commercial accounting, eventually becoming the senior finance lead for multiple internal IT projects.

Kristin grew up in Central Florida, bestowing a love for all things Disney. She currently resides in Cumming with her husband, six children, and three cats. She enjoys spending time with her family watching movies, going to baseball games, cooking, and, of course, visiting The Mouse as often as possible.


About Cathy Crain

Cathy Crain joined KMN CPA LLC in September of 2014 as a bookkeeper. She brings with her over 30 years of experience working in the accounting field. Her career began as a bookkeeper for Domino’s Distribution Center in 1985 and continued for 11 years as assistant to the Controller. Since then she has worked for SpaceMakers of America and Metamorphosis LLC. This has enabled her to work with different types of businesses, continually learning different aspects of accounting. Her dedication and knowledge make her a valuable addition to KMN CPA LLC.

Cathy was born and grew up in Queens, New York. She has called Georgia her home for over 30 years and now lives in Kennesaw with her husband and two dogs. She has two grown children and three grandchildren. During her spare time Cathy enjoys spending time with her family, reading, and exercising.


About Tonya Henderson

Tonya Henderson joined KMN CPA LLC in November of 2022 as a Bookkeeper. She brings almost 20 years of experience in various aspects of administrative and financial roles for small business including working with music entertainers and professional athletes. She is eager to expand her experience in the medical/dental industry.

Tonya currently resides in Adairsville, GA with her husband, three beautiful daughters and dog Moka. She enjoys spending time with her family, attending sports events, and traveling as often as possible.


About Stephanie Butler

Stephanie A. Butler joined KMN CPA, LLC in December 2022 as a Bookkeeper. She brings with her over 20 years of varied accounting experience.

She began her career as a Staff Accountant in a small sole-proprietor CPA firm performing bookkeeping, preparing financial statements, as well as taxes for high net-worth individuals and small business owners. Over the years she’s had the opportunity to work for large muti-billion-dollar companies in the travel and cold food storage industries, as a senior accountant where she advanced to managing her own teams. Stephanie has also worked as an auditor in Big-4 successfully reaching the level of manager.

Stephanie grew up in Mississippi but left shortly after finishing high school and joined the U.S. Army. After 4 years in the service, she earned her bachelor’s degree in accounting from Augusta College (currently Augusta University). She now resides in Marietta, GA where she enjoys spending time looking after her mother, trying to keep up with her little Yorkie named Bella, reading and eating good food!