Mr. Lannan’s primary areas of concentration include transaction structuring, legal entity rationalization, tax modeling, and tax attribute analysis in connection with mergers, acquisitions, dispositions, IPOs, spin-offs, restructurings, bankruptcies, and recapitalizations.

With over 10 years of experience in transaction tax advisory, Mr. Lannan has developed deep expertise in federal tax attributes, including Section 382 limitations, earnings and profits planning, stock and asset basis optimization, unified loss rules, and debt forgiveness implications. His work spans quantitative analyses such as transaction cost studies, debt modification analyses, cash tax modeling, and gain/loss calculations, as well as specialized knowledge of tax implications in Federal Deposit Insurance Corporation (FDIC) receivership matters.

Mr. Lannan has served a wide range of clients, including Fortune 500 corporations and small-, mid-, and large-cap private equity firms across various industries. His restructuring tax work has been instrumental in helping clients optimize tax outcomes during complex transactions and financial reorganizations.

Prior to joining A&M, Mr. Lannan spent five years as a Manager with EY’s Transaction Tax Advisory practice in the Washington, DC office, where he gained extensive experience in M&A tax planning and execution. Before that, he was an Associate with KPMG’s M&A Tax practice in Boston for two years, where he established his foundations in transaction tax structuring and advisory.

Mr. Lannan earned a bachelor’s degree in European history from Bentley University, a JD from Northeastern University, and an LLM in taxation from Georgetown University Law Center. He is a licensed attorney in the Commonwealth of Massachusetts.