The Gillon Group Members

William H. Gillon, III

William H. Gillon, III, CPA (retired)


Mississippi State University, B.S.
School of Business and Industry

Billy Gillon is the founding member of The Gillon Group, PLLC. For over 30 years, he has provided audit, tax and consulting services to a diversified client base in the Natchez, Brookhaven, Monroe LA and Mississippi Delta area. His experience includes work in the automobile, manufacturing, government and not for profit industries, among many others.

Billy began his career with the Internal Revenue Service after graduation from Mississippi State University, and before forming his own firm Gillon & Company, Ltd. in 1974. A native of Minter City, MS, Billy has served as President of the Mississippi Society of CPA’s and the national MSU Alumni Association.

Licenses: MS #1122, LA #B-5144

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J. Scott Christian

J. Scott Christian, CPA


Millsaps College, B.B.A.
Christian Brothers University, M.B.A.
University of Memphis, M.S.

Scott Christian is the newest member of our firm.  He has over 20 years of experience providing clients with a variety of accounting solutions. His experience includes work in the banking, healthcare, manufacturing, and not for profit industries, among many others.

Scott, a Natchez native, spent the last 13 years with the public accounting firm PricewaterhouseCoopers in Dallas, Texas where he held key roles in both client service and risk and quality management. Prior to moving to Dallas, Scott spent 7 years in Memphis with Union Planters Corp (now part of Regions Bank) and Rhea and Ivey CPAs. 

Licenses: MS #4168, TX #84609

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Deanne L. Tanksley

Deanne L. Tanksley, CPA


Hendrix College, B.A.

Deanne Tanksley joined our firm in 2002 and heads our audit department. She has over 20 years of experience providing clients with a quality service in auditing and accounting engagements. Her experience includes extensive work in the governmental and not for profit industries, as well as financial institutions, construction, manufacturing and many others.

Deanne is originally from North Little Rock, Arkansas. She has worked for Ernst & Young in their Little Rock, Arkansas and Kansas City, Missouri offices; as well as mid-sized regional and smaller local firms in Kansas City, Missouri and Lenexa, Kansas. She also operated as sole proprietor in Olathe, Kansas. 

Licenses: AR #5201, MS #R2940, LA #B25274

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