Firm Profile

WLC Certified Public Accountants, PC was founded in July 1985 as a successor to the accounting firm of Carr, Mynatt & Henson, P.C.. Located in Oak Ridge, Tennessee, the firm provides tax, accounting, auditing, bookkeeping and consulting services to businesses, organizations and individuals primarily in the East Tennessee region including Anderson, Roane, Knox, Loudon, Sevier, Campbell, Union, Claiborne and Morgan counties.  

Membership in professional organizations include the American Institute of Certified Public Accountants (AICPA) and Tennessee Society of Certified Public Accountants (TSCPA). The AICPA Private Company Practice Section, AICPA Peer Review Quality Control Program and AICPA Employee Benefit Plan Audit Quality Center.  



  • Provide quality accounting, auditing, tax, and management advisory services to growth-oriented companies in our geographic area.  
  • Serve clients with outstanding business potential and to help each company reach its maximum potential through sound and efficient accounting, financial, and management advice. 
  • Offer close, personalized service on a timely basis.  
  • Be actively involved in professional, business, community, and civic affairs. The firm will project an image of excellence among its peers and within the community.  
  • Provide an atmosphere which encourages professional development of all staff and promotes a pleasant working relationship among the firm's members. 


Staff Biographies  

Willard L. Carr, CPA (Inactive)

Willard is a 1966 graduate of the University of Tennessee, Knoxville and began his accounting career in 1971. He originally established a public accounting firm in Oak Ridge, Tennessee, in February of 1972 providing valuable service to clients in the east Tennessee region for over fifty years.  

David W. Carr, CPA

David is a 1993 graduate of the University of Tennessee, Knoxville. He joined the firm in January of 1993. David received certification and licensing to practice public accounting in Tennessee in May of 1999. David has concentrated his efforts in the areas of taxation and attestation. Specific areas of knowledge and experience include individual, estate and trust, business and not-for-profit tax planning and preparation services including preparation, compilation and review attest services.  

Ellen K. Carr

Ellen is a native of Oak Ridge and has been working with WLC Certified Public Accountants, PC since 1989. She is currently the firm's Office Manager. Although her duties are mostly administrative, she assists in providing monthly bill paying and payroll services to clients in our community, as well as providing bookkeeping, payroll and management accounting services to businesses in our area. Through her many years with the firm, Ellen has gained knowledge of Payroll Tax Compliance, State and Local Business Tax reporting and Individual Income Tax preparation. Ellen is also a Notary Public. If you need an appointment, documents notarized or any of the above listed services, please give Ellen a call at our office.  

Grace Jin Zhao, CPA

Grace is a 2009 graduate with a Master of Accountancy from the University of Tennessee at Knoxville.  She joined the firm in July 2009. Grace received CPA certification and licensing to practice in Tennessee in August of 2010.  She concentrates her efforts in the areas of accounting and taxation. Specific areas include individual, estate and trust, business and not-for-profit tax preparation and planning, business and not-for-profit accounting, compilation and review.  

Tiffany A. Casey

Tiffany became a member of the firm in October 2005. Tiffany conentrates her efforts providing bookkeeping nad management accounting services. Tiffany is also a Notary Public and offers this service free of charge. If you have any questions regarding any of these services, please give Tiffany a call.  Specific services include; payroll processing, payroll tax compliance, local business and sales tax bookkeeping and management accounting services to businesses in the our area. 

Scott E. Washburn

Scott is a two time graduate of The University of Tennessee, having received his Bachelor of Science in Business Administration degree with a concentration in Operations Management in 1986 and Master of Business Administration (MBA) in 1990.  Scott has over 25 years of experience in computer software and hardware systems, and has experience in the automotive, healthcare, wholesale/distribution, aerospace and nuclear industries.  His quantitative analysis skills and experience are available to help you measure productivity, profitability, pricing strategies, financial reporting, variance analysis, etc.

Heather R. Thoms

Heather's smiling face will welcome you when you come by the office, and you will hear her sweet voice when she calls you to come pick up your return.  She performs administrative duties at the office and helps keep it running smoothly.  Heather is a graduate of Pasco High School in Washington.  She is currently pursuing a business administration degree from Roane State Community College.

WLC CPA pc ● 570 Oak Ridge Turnpike ● P.O. Box 6274 ● Oak Ridge, TN 37831-3855 ● (865) 482-2457


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