About Thomas

Thomas Lan is an Assurance partner at Marcum with more than 20 years of public and private accounting experience. He provides audit and advisory services to domestic and international entities, including private companies and publicly traded companies. He serves clients from diversified industries, including aerospace, biotech, energy, petrochemical, pharmaceutical, public relations & marketing, maritime, manufacturing & distribution and retail.

Thomas has extensive experience in complex accounting transactions such as revenue recognition, lease accounting, inventory and complex financial instruments.

He is fluent in both English and Chinese.

Professional & Civic Affiliations

  • American Institute of Certified Public Accountants (AICPA)
  • New York State Society of Certified Public Accountants (NYSSCPA)
  • Institute of Management Accountants
  • Chartered Global Management Accountants

Industry Focus

Accounting, Audit & Assurance
Asia Practice
International Services
Public Company Accounting


Master of Science, Accountancy
George Washington University

Professional Designations

Certified Management Accountant (CMA)
Chartered Global Management Accountant (CGMA)