
Jenn McQuilkin, CPA, MS(Tax)
Managing Partner, Tacoma Office
Jenn McQuilkin leads the Tax practice in the Tacoma office. Jenn was with The Doty Group from 2005 to 2024 before The Doty Group joined USXA and has extensive experience in federal taxation, primarily focused on Partnerships and S-Corporations in the real estate and construction industries. She is also a Construction Financial Management Association (CFMA) South Sound Chapter member.

Katy Bardizian, CPA, MAcc
Partner, Tacoma Office
Katy Bardizian leads Accounting Services in the Tacoma office. Katy graduated Magna Cum Laude with a BS in Business Administration from the University of Montana in 2002, and in 2003 received a Masters in Accounting. She received the Outstanding Senior in the School of Business Administration award and the Robert O. Lindsay Scholar Athlete President’s Award.

Shelley Adams Drury, CPA, CVA, ABV, CFF
Partner, Tacoma Office
Shelley leads Litigation and Valuation in the Tacoma office and has over 25 years of experience in public accounting. Shelley has spent her entire career focusing exclusively on business valuation, forensic accounting, pension valuation, stock option analysis, economic damage calculations, and other litigation-related calculations. Her work is primarily prepared for marital dissolution cases, shareholder disputes, damage claims, fraud claims, and gift and estate tax filings.

Darryl Spencer, CPA, MS (Tax)
Director of Tax Services, Tacoma Office
Darryl Spencer is the Director of Tax Services at United States X Advisors Washington, LLC (formerly The Doty Group). He has been an integral part of the team since 2012.With a strong focus on Construction, Real Estate, and Manufacturing industries, Darryl brings a wealth of expertise to his clients, including restaurant owners, professional service businesses, and entrepreneurs.

Amanda Brynn, SHRM-SCP
Director, Organizational Development and Human Capital Management, Tacoma Office
Amanda is the Director of Organizational Development and Human Capital Management at USXA WA. With over 20 years of combined experience in business ownership, executive leadership, and people development, she brings a comprehensive array of expertise to the operational management of the firm. As a SHRM Senior Certified Professional and a Gallup-Certified Clifton Strengths Coach, Amanda is passionate about talent optimization, organizational design, and strengths-based development. Her candid approach positively impacts the balance and alignment of individual contributions with firmwide goals, resulting in sustainable growth and exemplary client service.