Lynn has over 35 years of experience helping global people with their U.S. taxes
Lynn Dempsey Boster is a U.S. CPA whose own life has taken her all over the globe — living on U.S. Navy and Army bases, a U.S. Embassy compound, and out on the local economy in Tokyo and Seoul, as well as on both the East and West Coasts of the United States. Along the way she raised a family, built a career with the Big Four, and eventually launched her own CPA tax practice. That global, on-the-ground experience isn’t just a résumé line — it’s the lens through which she understands what it actually feels like to manage U.S. taxes from thousands of miles away.
Lynn has over 35 years of experience helping people around the world navigate their U.S. tax obligations.
The world is a complex place, and even ordinary financial tasks can feel overwhelming when you’re juggling different time zones, currencies, banking systems, and reporting requirements. Lynn works with individuals, self-employed entrepreneurs, and small business owners to make sense of it all. Her job isn’t just filing tax returns — it’s helping you get your U.S. tax information organized and ready for compliance, and keeping you on track so you can keep pursuing life’s adventures, wherever they take you.
Lynn cares about your U.S. taxes so you can thrive.
Whether you’re catching up on past filings or already planning ahead for next year’s return, Lynn cares about your U.S. taxes so that you can thrive — not just survive tax season. She’s well qualified to guide you through U.S. income tax compliance and to take an objective, clear-eyed look at the personal wealth you’re building along the way. When tax notices arrive — and these days, they’re plentiful — Lynn will be your advocate with the tax authorities, working to resolve issues efficiently so you can keep moving forward with your life and ride the wave, rather than getting stuck in the undertow.
At the heart of her practice is a focus on bridging the gap between complex requirements and simple, manageable tasks — helping individuals and small businesses understand and comply with U.S. income tax and other financial reporting obligations, while showing you the real power of your own numbers.
Lynn prepares annual income tax returns and foreign bank account reports, organizes your financial information to keep you U.S. tax-ready year-round, and puts that information to work — giving you the data you need to make smart financial decisions, uncover tax savings, and focus your energy on building what truly matters to you.
PROFESSIONAL CREDENTIALS, AFFILIATION AND EDUCATION
CBA; California State Board of Accountancy Current licensee and licensed since 1990 & Missouri State Board of Accountancy Current Reciprocity via Licensure since 2025.
CALCPA; California Society of CPAS Current Member Executive, Elite Access Tier. Member since 2003; Women’s Leadership Forum Past Committee Chair 2021 & Member of Committee through May 2026.
MOCPA; Missouri Society of CPA Member since 2025.
AICPA; American Institute of Certified Public Accountants Regular Member Tier Partner Specialist with CGMA designation the premier management accounting credential as proficient in finance, operations, strategy and management. Lynn is also in both the Tax & Personal Financial Planning (PFP) Sections and stays abreast with current legislation, rules and regulations focused on these areas through constant continued education and participation in the activities of all memberships listed.
AFWA; Accounting & Women’s Financial Alliance (formerly ASWA) Current Member Los Angeles Chapter and ASWA San Francisco Chapter, Past President.
B.A. Accounting, Golden Gate University, San Francisco