Best Lawyers in Washington, United States for Tax Law
Bob Mahon, chair of the firm's State & Local Tax practice, focuses his practice on helping clients minimize state and local taxes and comply with state and local tax laws. Bob represents clients in state and local tax audits, refunds, appeals, and litigation, as well as assists clients with tax planning and business transactions. Bob is the past president of the Tax Section of the Washington State Bar Association and teaches State and Local Tax as an adjunct professor at the University of...
Dirk Giseburt is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Dirk practices law in Seattle, Washington Best Lawyers has recognized Dirk Giseburt since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Dirk Giseburt is held by other lawyers.
Konrad’s practice focuses on advising high net-worth individuals and businesses with sophisticated tax planning. Prior to joining Lasher, Konrad obtained his CPA and worked as both a tax consultant and auditor gaining a strong understanding and acumen of tax returns, financial statements and business operations. After obtaining his law degree, Konrad went on to advise Fortune 500 companies in sophisticated tax planning and compliance. Konrad now brings his experience to medium-sized bus...
Susan Dippold advises privately held companies, entrepreneurs, and business owners in mergers and acquisitions, strategic business transactions, corporate governance, and succession planning. She serves as outside general counsel to family-owned, founder-led, and growth-stage businesses, helping clients navigate critical business decisions at every stage of the company lifecycle. Susan has extensive experience representing buyers and sellers in mergers, acquisitions, recapitalizations, and ot...
Professional Experience Greg serves as a trusted advisor for individuals and families navigating the complex legal landscape of their lives. He advises clients on the full array of estate planning matters, including wills, trusts, charitable planning, tax planning, and international estate planning—always focused on providing practical and creative solutions. Greg also assists tax-exempt organizations on entity formation, grant-making, board fiduciary duties, corporate governance matter...
Dianlyn Cenidoza is a lawyer recognized by Best Lawyers in the practice areas of Closely Held Companies and Family Businesses Law, Tax Law and Trusts and Estates. Dianlyn practices law in Seattle, Washington Best Lawyers has recognized Dianlyn Cenidoza since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Dianlyn Cenidoza is held by other lawyers.
Caitlin is a Seattle, Washington attorney with Helsell Fetterman LLP whose practice focuses on estate planning , trust administration, probate, and related tax matters. She works with individuals, families, and business owners to address estate, tax, and succession considerations at many stages of life. Her work includes advising on trusts, wills, and strategies designed to help clients manage wealth transfer while navigating federal and Washington tax rules. Caitlin’s practice includes...
Olga Barajas is a lawyer recognized by Best Lawyers in the practice areas of Tax Law and Trusts and Estates. Olga practices law in Seattle, Washington Best Lawyers has recognized Olga Barajas since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Olga Barajas is held by other lawyers.
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.
