Tracy Allen, John Lauseng, Diana Strassmaier, and Joshua Vannetti Each Named to the Publication’s 2026 Best-In-State-CPA List
LAKE OSWEGO, OR, APRIL 17, 2026—Forbes named the following Aldrich CPAs + Advisors leaders to the 2026 Best-In-State CPAs list:
- Tracy Allen, Partner + Leader of the Oregon Construction practice: Best-In-State for Oregon
- John Lauseng, CEO + Partner: Best-In-State for Oregon
- Diana Strassmaier, Partner + Leader of the Architecture and Engineering practice: Best-In-State for Oregon
- Joshua Vannetti, Director of Valuation Services: Best-In-State for California
The Forbes Best-In-State list recognizes CPAs who have demonstrated professional excellence, leadership in the accounting field, and consistent service to their clients and communities. This recognition highlights their impact on public accounting and their roles in shaping the strategic direction of Aldrich, one of the ten largest accounting firms headquartered on the West Coast.
About Tracy Allen, CPA, CCIFP®
Tracy Allen joined Aldrich CPAs + Advisors in 2003 and is a Partner and leads the firm’s construction practice in Oregon. With over 20 years of experience, she provides audit, attest, and consulting services to closely held construction businesses, with specialization in cash flow, succession planning, and surety requirements. A recognized speaker, Tracy serves on the AICPA Council and the Oregon Society of CPAs board. She was named a Forbes Best-In-State CPA for Oregon in 2025, a DJC Women of Vision in 2017.
About John Lauseng, CPA
John Lauseng is CEO and Partner of the Aldrich group of companies and has been with the firm since 2009. He specializes in assurance and consulting for manufacturing, professional services, and closely held businesses. John was named a Forbes Best-In-State CPA for Oregon in 2025, Portland Business Journal Executive of the Year in 2023, recognized on Accounting Today’s MP Elite list in 2023, and serves as Chair of CPAmerica.
About Diana Strassmaier, CPA, CCIFP®
Diana Strassmaier joined Aldrich CPAs + Advisors in 2018 with nearly two decades of experience serving construction, engineering, manufacturing, and government contracting clients. She is the leader of Aldrich’s Architecture and Engineering practice and specializes in overhead audits, helping government contractors understand indirect cost rates and optimize compensation. Diana provides audit and assurance services, tax planning, and operational guidance. She is a CPA and certified instructor on the AASHTO Audit Guide. A frequent industry speaker, she has been recognized among Forbes’ Top 200 CPAs in 2025 and as a Daily Journal of Commerce Woman of Vision in 2023.
About Joshua Vannetti, CPA/ABV, CVA
Joshua Vannetti joined Aldrich in 2024 as Director of Valuation Services. He specializes in complex valuations for mergers and acquisitions, financial and tax reporting, and litigation support, including economic damages and forensic accounting. Joshua is a CPA, ABV, and CVA, and was recognized by the National Association of Certified Valuators and Analysts’ 40 Under 40 list in 2015 and 2017, as well as in Forbes’ inaugural list of Top CPAs for Valuations in 2025.
About Forbes
Forbes is a global media company known for its coverage of business, finance, entrepreneurship, technology, and leadership. It is recognized for its rankings and lists, such as the Forbes 400 and World’s Billionaires, which highlight influential individuals and companies. The brand operates through digital content, print magazine, and events, targeting professionals, investors, and business leaders worldwide.
About Aldrich
For more than 50 years, Aldrich has worked with businesses, their owners, and their employees to help them achieve their professional and personal financial goals. The firm pairs deep industry experience with a full suite of integrated financial, tax, accounting, wealth, corporate retirement, business transition, and consulting services to help bring clarity to every phase of our clients’ personal and professional life cycles.
The Aldrich group of companies is composed of Aldrich CPAs + Advisors LLP, one of the top 70 accounting firms in the US; Aldrich Wealth LP, a Registered Investment Advisory firm with over $7.4 billion in assets under advisement (as of Dec. 31, 2025); Aldrich Capital Advisors LP, which provides advisory services for business transactions; and Aldrich Solutions LLC, which delivers business and technology consulting services driven by industry understanding and strategic insights.
Based in Oregon since its founding in 1973, Aldrich now serves clients across the country from its eight offices throughout the Western US.
Learn more at www.aldrichadvisors.com/about.
