Washington State Tax Conference 2025 WEBCAST
Overview
Join us at the 2025 Washington State Tax Conference – the must-attend event for tax professionals in Washington!
Immerse yourself in insightful sessions covering key topics such as the latest Court Case Update and ANTIO, an Oregon Update, a comprehensive Legislative Update, and an essential Multi-State Update session, where critical changes in state tax laws are explored.
Stay ahead of local and regional tax trends with in-depth discussions on emerging issues impacting businesses and taxpayers across Washington and beyond.
Special Offer: Bundle your registration for both the Washington State Tax and International Tax Conferences and save $100! This is your opportunity to enhance your expertise, stay informed on evolving regulations, and network with industry leaders—all at an unbeatable value. Don’t miss out! Use code TAX100—promo code valid until May 13th, 2025. 
Highlights
- Stay up-to-date on the latest court case rulings and significant developments in tax law.
- Discover strategies for navigating multi-state taxation and unclaimed property.
- Gain insights into Oregon’s tax updates and their impact on your practice.
- Stay informed on critical legislative changes affecting the tax landscape.
- Connect with peers and industry experts to exchange knowledge and best practices.
- Enhance your expertise with actionable insights to navigate today’s complex tax challenges.
Prerequisites
None.
Designed For
CPAs and tax practitioners practicing in Washington State.
Objectives
Stay ahead of local and regional tax trends with in-depth discussions on emerging issues impacting businesses and taxpayers across Washington and beyond.
Preparation
None.
Leader(s):
Leader Bios
Aaron Johnson, Shareholder, Tax Attorney & Professor, Ballard Spahr
Aaron Johnson is a Shareholder at Lane Powell representing businesses in SALT matters including tax litigation, audit defense, appeals, planning and structuring tax efficient transactions. Aaron is the WSBA Tax Section’s SALT Committee Chair, on the Legislative and DEI committees, and on the ABA Tax Section SALT Executive Committee. He teaches fed. tax and tax research and writing at the UW School of Law, previously taught corp. tax at UW Foster School of Business (MST), and fed. tax at SPU (prof. of the year). He is also an appointed member of the DOR’s Business Advisory Council, and an advisory member of AWB. Before joining Lane Powell, Aaron was at PwC, a Judicial Law Clerk, Stockbroker and Financial Advisor, and enlisted U.S. Army Soldier. He received his LL.M. and B.A. from UW, and his J.D. from the Northwestern School of Law at Lewis & Clark College.
Darcy Kooiker, Managing Director, EY (Seattle)
Darcy is a CPA licensed in Washington state and has focused in the area of state and local taxation since 1991. She started her career in the government sector working for the City of Bellevue’s tax department as an intern then became a Revenue Auditor for the State of Washington Department of Revenue. Darcy has since been a tax consultant working at several accounting/consulting firms in the Seattle area. In this capacity Darcy helps clients with nexus issues, tax minimization reporting and restructuring opportunities, transaction planning, audit management and administrative appeal representation. Darcy’s specialty is Washington tax and she enjoys helping businesses understand how the complex state and local sales/use taxes and Business and Occupation tax complex apply to their activities. Business organizations seek her technical expertise for speaking engagements and articles including Bloomberg, Institute for Professionals in Taxation, Journal of State Taxation, the Washington and Oregon Society of CPAs, and many others. She has served as an advisor to the Washington Department of Revenue and the Association of General Contractors of Washington. Darcy is an active member of the Association of Washington Business and Washington Society of CPAs. She has testified before the Washington State legislature on tax matters and has influenced tax legislation. She received her accounting degree from the University of Washington’s Seattle campus, and a Masters Certificate in State and Local Taxation from the University of Wisconsin. She has also been an adjunct professor at Gonzaga University teaching a State Tax Concepts class in the Masters Accounting program. She is the co-chair of the Institute for Professionals Seattle Luncheon Group and is also an Avalara Certified Implementation Partner.
Kimberly Lohr, Principal, Delap LLP
Kim specializes in providing state and local taxation advisory and compliance services to her clients. With more than 26 years of experience in state and local tax, she serves a diverse client base in a variety of industries, including manufacturing, financial institutions, transportation, and services to name a few. Kim focuses on multi-state income and franchise tax matters such as nexus, state tax base modifications, apportionment of income, business/non-business income, unitary taxation, gross receipt taxes, allocation of partnership items, state filing options, audit defense and voluntary disclosures. In addition to recommending strategies to minimize clients’ state and local tax liabilities, Kim consults on all aspects of state income tax, including participating in mergers and acquisition transactions, due diligence reviews, representation on state tax controversy matters, and assisting companies with state tax compliance and state tax accrual reviews. Prior to joining Delap, Kim was a managing director at BDO USA LLP’s state and local tax practice in Seattle. She has also worked for several multi-national companies, including several Fortune 500 companies, a small and mid-sized accounting firm, and a state tax authority. Outside the office, Kim enjoys spending time with her family and traveling, especially to the Disney parks.
Mark Hawkins
Mark Hawkins is a senior manager in Moss Adams’ State and Local Tax Practice. He has consulted in state and local tax matters since 2001. Mark provides tax advisory services to clients in a wide array of industries including retailing, manufacturing, automotive, transportation, and financial services. Mark assists clients in analyzing the state tax implications of business reorganizations and other transactions. Mark also assists clients in their state and local tax compliance functions as well as during audits and examinations and represents them in administrative proceedings with state departments of revenue and taxation. Mark holds a BA from the University of Washington and a JD from Ohio State University.
Megan Chyan, Senior Consultant
Megan started her career in the government sector as an internal auditor for Pierce County Budget and Finance and also worked for the City of Tacoma Finance Department. In 2017, she became a Revenue Auditor for the State of Washington’s Department of Revenue and has specialized in Washington state and local taxes ever since. During her time with the Department, Megan contributed to the development of audit practices in emerging industries and helped establish tax registration procedures with Washington’s tax statutes through the State’s Voluntary Disclosure program. Megan is now a senior consultant at Ernst & Young in Seattle, helping clients with state tax compliance problems such as determining if nexus applies, tax registration and reporting, audit management and administrative appeal petitions. Her focus is in helping businesses understand how Washington’s Business and Occupation tax system and the complex state and local sales/use taxes apply to their operating activities.
Non-Member Price $499.00
Member Price $399.00