Brent Watson, CPA


Brent has thirty-one years of practice in sales tax, property tax, and tax incentive programs.  Brent has focused his services for clients in educating personnel, improving sales tax processes, and building rapport with taxing authorities to effectively resolve tax issues on behalf of clients in Arkansas, Oklahoma and Texas.  He is an Avalara sales tax software implementation partner.

Brent launched the non-income tax group at Tyson Foods in 1990, then led that group for ten years. He has fifteen years of experience as a consultant and has extensive experience in the manufacturing, oil and gas, construction, and multi-state retailing industries. 

Brent frequently speaks before many organizations including the Oklahoma and Arkansas Societies of CPAs, COPAS, and Institute for Professionals in Taxation.  Additionally, Brent has authored numerous articles for the OSCPA Focus and COPAS Accounts magazines.

Brent is a member of the Institute for Professionals in Taxation, Oklahoma Society of Certified Public Accountants, and the Tulsa Chapter of the Oklahoma Society. 

Haven Willis, CMI


Haven has 33 years of experience in sales and use tax matters, including 31 years with the Illinois Department of Revenue, auditing for sales tax and business income tax.  She conducted over 500 complex audits of multi-national corporations and partnerships.

Haven’s skillful application of tax law, accounting, and audit methodology (including statistical sampling techniques), as well as her respectful treatment of auditors, enables her to provide great representation to clients who are under audit.

Since joining SALTA in 2018, Haven has served clients with tax recovery projects, audit coordination, compliance reviews, voluntary disclosures, state tax registrations, tax research, sales tax return preparation, due diligence and tax planning.  Haven has recently earned the designation of CMI with the Institute for Professionals in Taxation, signifying her expertise in sales and use taxation.