Attorney Sean P. Gallagher

Sean P. Gallagher

Shareholder / Lansing


  • Michigan State University Law School (J.D., magna cum laude 2009)
  • University of Notre Dame (B.A., 1998)

Bar & Court Admissions

  • State Bar of Michigan
  • United States District Courts, Eastern and Western Districts of Michigan
  • United States Court of Appeals for the Sixth Circuit

Sean Gallagher is Chair of the firm's Administrative & Regulatory department. His experience includes serving as an advisor, advocate, counselor, and strategist, with particular focus on highly regulated areas of law, including energy regulation and procurement matters involving industrial and other businesses, hazardous materials pipeline regulation, telecommunications, cannabis and industrial hemp, and municipal public employee pension funds.

Sean has assisted in protecting the interests of public pension participants, retirees, and their beneficiaries in both investment and benefits-side related litigation and advising on governmental transparency and statutory report regulatory compliance matters, serving as legal counsel to the Retirement Systems of the City of Detroit before, during, and after the City of Detroit’s Chapter 9 bankruptcy proceedings.

Prior to joining the firm, Sean spent nearly a decade with a multinational law firm before operating his own independent practice focused on value delivery and client outcomes in highly regulated fields. Beyond his practice, Sean enjoys spending time with his wife and four of Michigan's most vocal young citizens, volunteering with various professional and educational organizations, coaching youth baseball, basketball, and football, jogging, and canoeing Michigan rivers. 

Professional Associations
  • State Bar of Michigan
    • Administrative Law Section
    • Cannabis Law Section
  • Ingham County Bar Association, Member (2013-Present)
  • MSU College of Law Inn of Court, Member (2008-Present)
  • St. Thomas Aquinas Parish Education Council, East Lansing, Member (2016-Present)
    • Chair, 2020-Present
  • Detroit Catholic Central High School Law Day, Detroit, Volunteer (2014-Present)
  • Detroit Catholic Central Shamrock Bar Association (2019-present)
Honors & Distinctions
  • Listed in The Best Lawyers in America: Environmental Law, Litigation - Environmental in Lansing (2024)
  • Michigan Super Lawyers Rising Star, 2015 - 2019, Business Litigation
  • Ingham County Bar Association Top 5 Under 35, 2014
Publications & Presentations
  • General Session Speaker, Michigan Association of Public Employee Retirement Systems Fall Conference, Kalamazoo, Michigan, September 2019
    • Topic: “The Groovy Ostrich, The Classic Rock Wrestler, and The Lame Duck Keep Disco Alive: A Recent History of Efforts in Michigan to Address Local Financial Stability and the Importance for Public Employee Retirement Systems.”