Geoffrey began his career in public accounting in 1977 with Arthur Andersen in Chicago where he worked in the areas of banking, regulated industries, governmental contracts and… read full bio

Christopher is a Principal of Quinn & Company and Chief of all professional staff. Chris has worked with Quinn & Company in public accounting since 1999 and brings years of…read full bio

Hsiang-Ting (“Natasha”) Chen is an Illinois and California licensed Certified Public Accountant. She joined Quinn & Company in 2015 and is a Principal at the Firm. In her current role…read full bio

Lee is a longtime friend and colleague of Geoffrey Quinn. Their friendship dates all the way back to 1969 when they meet in high school. In 2020, after more than 40 years in public and private…read full bio

With years of experience as an auditor in the world of multi-employer benefit plans, Chris intimately understands the value of accuracy, efficiency, and communication in providing clients the….read full bio

Amanda is a senior accountant with Quinn & Company. Her career started in public accounting in 2007, and she brings her years of accounting and tax experience to individuals…read full bio

Chandler Claudé is a staff accountant with Quinn & Company. Prior to joining the firm in 2021, he worked in the real estate industry while also gaining income tax preparation experience…read full bio

Olonbayar Munkhdash is a senior staff member with Quinn and Company. Before joining the firm in 2022, she worked in the banking industry for over 10 years and gained income tax…read full bio

As a Senior Staff member in Quinn & Company’s Tax Practice, Ken provides tax, accounting and tax planning services to privately held businesses and high-net-worth individuals and…read full bio

Geoffrey Thomas grew up in the public accounting profession as the son of the Firm’s founder, Geoffrey M Quinn and is one of the Firm’s junior staff members. Geoffrey Thomas joined…read full bio

Sarah is a junior staff member with Quinn & Company. Bringing eight years of accounting and bookkeeping experience when joining the firm in 2022, she is excited to help clients…read full bio