About ABA

ABA is unique in its passionate pursuit of techniques enabling professionals to take home more of their hard-earned money. We are constantly bringing new ideas to our clients for driving revenue in your practices, reducing overhead, and minimizing your income tax burden. The result of adding ABA to your professional team is less stress for you, happier patients, better staff morale, and more take home pay.

The History of ABA

ABA's Advisors draw on experience dating back to our roots in the early 1980s. Our Business Advisors know medical business, and they also know what it's like to be an entreprenuer. The end result is cutting edge advice, given after thorough analysis and proper consideration from the perspective of business owners. Our staff is specialized as well - so our reporting and our tax return preparation is timely, appropriate, insightful, and accurate, as the entire ABA Team understands your professional world.


William D. "Bill" King, CPA

William D. "Bill" King, CPA

William D. "Bill" King, CPA

Bill is the Founder and President of ABA and is a Certified Public Accountant. He is a leading expert in the implementation of Tax Minimization Strategies. Bill's vision for ABA is predicated on an approach to tax planning designed to minimize your income tax burden. Bill is an accomplished speaker on business and income tax matters and constantly stays ahead of the strategy curve on both fronts. He is a tireless advocate for the clients of ABA. He has implemented a philosophy within the firm that assures that all Business Advisors are as well, and they are routinely available beyond normal work hours. You will find the advice from all ABA Advisors to be cutting edge, prompt, and shrewd.

I am fanatical about client service – which manifests itself in exceptional access for clients, timely work product, rapid replies, cutting edge strategies, and a demand for accuracy.
— Bill King

Joe Pitcher

Joe Pitcher

Joe Pitcher

Joe Pitcher has an extensive and diverse background covering many aspects of accounting and advisory services.  Specific areas of expertise include income tax minimization, financial accounting, forensic accounting, and business advisory services. Joe has also successfully managed his own private practice in Tampa, Florida, as well as in Knoxville, Tennessee.  Providing accurate, relevant, and timely advice to clients is a staple of Joe’s professional philosophy.  Outside of his professional career, Joe enjoys spending time with his wife and two sons.  He is an avid tennis player and outdoorsman.  Currently, Joe is working on backpacking all of the trails of the Smoky Mountains (over 900 miles).


Preston Rouse

Preston Rouse

Preston Rouse

Preston is the Director of ABA for Small Business, Inc. (ABA). He began working for ABA after earning his Masters Degree in Business Management from Austin Peay State University’s College of Business. Preston attended Austin Peay on a full athletic scholarship for football, where he earned his undergraduate degree in International Business, with minors in Finance and Real Estate. His ethos is to provide ABA’s small business clients with impeccable customer service, availability, and flexibility. There are many different avenues that allow small business owners to reach their financial goals – which usually include driving profit in their business, and minimizing their income taxes. Preston is relentless when it comes to coaching ABA’s clients regarding the most effective, well-rounded strategies that enable these specific goals to be met.  


Mike Cullum

Mike Cullum

Mike Cullum

Mike brings over 20 years of dental industry-specific experience to ABA for dentists.  During this time he has developed critical dental expertise in the laboratory, insurance, software and equipment segments.  However, the bulk of his career has been firmly rooted in practice management for all types and sizes of dental offices.  This full spectrum of experience and knowledge allows Mike to understand the very unique challenges that face dental practitioners every day.  Understanding these challenges is the first step in developing meaningful strategies that are tailored to each client’s needs.  Mike is committed to leveraging this knowledge to assist ABA’s clients in maximizing practice efficiency and profits through sound financial and management solutions.  Mike has been married to Julie for over 25 years and has 3 wonderful children: Coral, Stuart and Spencer.