Winston Post is a Principal in Ryan’s Sales and Use Tax practice, based in the Firm’s Plano office. He advises organizations on complex, multijurisdictional transaction tax matters, helping clients navigate evolving regulatory requirements with clarity, confidence, and disciplined execution.
With more than 24 years of experience in indirect tax consulting, Winston specializes in supporting clients within the aerospace and defense, government services, electronics manufacturing, data center, and software development industries. He also provides relationship oversight across a broad range of sectors, including telecommunications, oil and gas, banking, healthcare, and manufacturing. Known for building long-term client partnerships, Winston brings a strategic and collaborative approach to tax compliance, risk mitigation, and operational efficiency. He is an active contributor to Ryan’s leadership and professional development initiatives and is a frequent speaker on transaction tax practice and technical topics.
Education and Qualifications
Bachelor of Business Administration, Accounting, Louisiana State University
Experience and Achievements
Principal, Sales and Use Tax, Ryan, Plano office
Advises clients on multistate transaction tax consulting and compliance strategy
Focuses on aerospace and defense, government services, electronics manufacturing, data centers, and software development
Graduate, Leadership Development Program, Ryan
Completed 80+ hours of multidisciplinary leadership training
Continues to support program development in an advisory capacity
Director, Transaction Tax, Ryan, Dallas office
Manager, Ryan, Dallas office
Team Leader, Ryan, Dallas office
Member, Government Contractor Industry Committee, Ryan
Member, Technology Vision Committee, Ryan
Member and Subject Matter Expert, Professional Development Committee, Ryan