Leah Lavigne

Leah Lavigne


M.S. in Accountancy
B.S. in Accountancy
Bentley University

Years of Experience

14 Years

Industry Expertise

Biotechnology, Life Sciences, Manufacturing, Pharmaceuticals, Software, Technology

Leah Lavigne, CPA

Partner – Tax

Leah brings over 14 years of corporate income tax accounting and financial reporting experience to WilliamsMarston. Since joining WilliamsMarston, Leah has focused primarily on the accounting for income taxes under ASC 740 and advising clients on complex transactions such as initial public offerings, mergers and acquisitions, accounting standard updates, pro-forma tax modeling, and long-range tax rate planning for GAAP and non-GAAP reporting purposes. She has also successfully assisted clients in remediating internal control deficiencies and material weaknesses, identifying and correcting tax issues for restatements and process improvements for the tax provision. Leah’s extensive industry experience includes biotechnology, pharmaceuticals, life sciences, manufacturing, software and technology.

Prior to joining WilliamsMarston, Leah spent seven years at RSM US LLP where she was responsible for managing income tax accounting engagements and providing corporate income tax compliance services for large multinational public and private corporations. While at RSM, she also provided services on a broad range of tax consulting projects including tax controversies, tax accounting method changes, calculating credits and incentives, and the research and documentation of complex technical tax issues.

Leah is a Certified Public Accountant in the Commonwealth of Massachusetts and holds a Master of Science in Accountancy degree and a Graduate Certification in Taxation from Bentley University, where she graduated cum laude. She also holds a Bachelor of Science in Accountancy degree from Bentley University.