Our Firm


MIKE RUSENKO – MANAGING PARTNER Mike is the owner at Rusenko CPA, PC and has been with the firm since 2008 (when it was previously J.W. Llop CPA, PC). He earned a Bachelor of Science in Financial Management from Clemson University. A Certified Public Accountant since 2010, Mike works primarily with our individual and small business clients assisting them with tax preparation, financial reporting and business consulting services.  He has extensive experience serving clients in the restaurant, health care and real estate industries.  He also assists in financial audits and managing the firm’s staff.  When not in the office, Mike enjoys networking with other business professionals, traveling with his wife Bethany, playing golf and attending Clemson football games in the fall.

J. WILLIAM LLOP, CPA William is a native of Atlanta having attended Our Lady of Assumption Parochial School and completed his high school education at Riverwood High School in Sandy Springs.  William continued his education attending Atlanta Law School and John Marshall School of Law sitting for the Bar Exam in 1991.  William started preparing financial statements and tax returns in 1984.  He genuinely cares about the success of his clients and works closely with them to reach their financial goals.  William is a self starter and he surrounds himself with a staff that follows the same philosophy. When William is not working, he enjoys spending time with his wife and children.  William is an active volunteer having been a board member of the Rotary Club of Sandy Springs.  He also coaches his children in Soccer and Softball.

BECKYE S. YOUNG, CPA Beckye worked with Rusenko CPA, PC from 2006-2013 and rejoined the firm March 2017, after spending time as a controller of a small manufacturing facility that sold in the fall of 2016. She took the opportunity to return to her public accounting roots. Beckye started as an auditor with KPMG after college and has worked in many industries including manufacturing, non-profit, distribution, and various small businesses. Beckye is a graduate of Vanderbilt University and became a Certified Public Accountant in 1987. Beckye primarily assists our small business clients and individuals with financial reporting and tax preparation. When not at work enjoys time with her husband and their four children.

CHERYL MAYFIELD – STAFF ACCOUNTANT Cheryl started working for the firm in 1991 while attending Mercer University’s Macon campus. Her initial role in marketing quickly transitioned into full time staff accountant as she became responsible for the preparation of financial statements, payroll & sales tax reporting. Cheryl enjoys assisting new business owners in understanding the accounting & bookkeeping process along with various legal requirements for establishing a new business. When not working, Cheryl enjoys gardening, hiking along river trails and spending time with her adorable grandchildren Kaelyn & Daviel.

BEN THEISEN – STAFF ACCOUNTANT Ben has been with Rusenko CPA, PC since February of 2018. He grew up in Alpharetta, Georgia and attended Clemson University where he graduated with a Bachelor of Science in Accounting and a Minor in Finance. Ben started his career at Atlanta based regional firm Frazier & Deeter working in the tax compliance division. At Rusenko CPA, he has continued to work primarily with individuals with closely held entities and small to midsize business clients, assisting with their tax preparation and planning needs. Ben likes to spend his free time on the soccer field and on the lakes outside Clemson, SC (when there is not a home football game to attend).

THOMAS BUSH- STAFF ACCOUNTANT Thomas has been with Rusenko CPA, PC since June 2013.  Thomas is a graduate of the University of Alabama’s Culverhouse School of Accountancy, where he earned his Bachelor’s of Science Degree in Professional Accounting.  He works primarily with our small to midsize business clients assisting them with tax preparation, financial audits, reviews, and is our resident not-for-profit accounting specialist. An avid outdoorsman, Thomas enjoys being outdoors when not at work, and never misses an Alabama football game.
DIANA NEIGEBORN- STAFF ACCOUNTANT Diana Neigeborn joined Rusenko CPA in the Fall of 2018. She JUST GRADUATED FORM Kennesaw State University with a Bachelor of Science Degree in Accounting this past December. Diana is originally from Kyiv, Ukraine, and has lived in Atlanta since 2005. When not working, she loves to spend her free time with family and friends. Also, she is well traveled and enjoys exploring new destinations.
CINDY TIBBETS- STAFF ACCOUNTANT

JAN ROBERTS – STAFF BOOKKEEPER Jan started working for the firm in January of 2008. After graduating from Stephens College and the University of Georgia, Jan started her career working in the family businesses.  She “retired” for several years to be a stay at home mom and play a lot of golf, then began a second career working in restaurant accounting. As a staff bookkeeper with Rusenko CPA, Jan is responsible for client payrolls, sales reports, bill payments and monthly financial statements. Her favorite thing to do is visit her son and his family in Brooklyn and spoil her grandchildren.

LEIGH MOTZ- STAFF BOOKKEEPER Leigh has been working at Rusenko CPA, PC since January of 2012. Leigh is currently a  bookkeeper for the firm, and is responsible for processing payrolls, submitting sales tax returns, and the day-to-day entry of client information. Leigh has been married for 35 years and has one son.  She enjoys walking their dog at Lake Lanier, and attending Braves games.
DONNA HALL  Donna is a finance and accounting professional with more than 20 years’ experience. She is the proud mother of three young adults, and enjoys volunteering, reading, music and traveling in her spare time.