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Sean M. Colonna

Direct Dial: 586-997-6468
Main Line: 5867261000

Sean Colonna is an associate in the firm’s estate planning, business law, and litigation and disputes practice groups. Mr. Colonna is skilled at preparing general estate planning documents, including wills, revocable trust agreements, and medical and financial powers of attorney documents. He also has extensive experience in complex retirement planning, charitable trusts, and transfer tax planning through the use of irrevocable trusts.

In addition, Mr. Colonna has experience creating and implementing business succession plans for closely held family businesses and key employees. He serves as a trusted advisor for business owners in the areas of commercial transactions, litigation, and tax planning.

Sean earned a Juris Doctor from the University of Detroit Mercy School of Law, graduating in 2013. He was a faculty research assistant contributing to published law review articles. He received numerous academic awards, including Book Awards for International Taxation, Canadian Law, and Estates and Trusts.

Sean earned a Bachelor of Arts degree in political science from Western Michigan University, with concentrations in public law, economics, and accounting. He was on the Dean’s List, held board positions in school organizations, and was a volunteer tutor for financial and managerial accounting students.

A Pennsylvania native, Mr. Colonna, who always wanted to be an attorney, is an avid Pittsburgh sports fan. He enjoys spending time with this golden lab, Lulu, playing golf, and traveling in his free time.

Bar Admissions

  • Michigan, 2013
  • United States District Court, Eastern District of Michigan, 2017
  • American Bar Association, Real Property, Trust, and Estate Law Group, 2013
  • Oakland County Bar Association, 2013
  • Wayne County Probate Bar Association, 2013

Education

  • University of Detroit Mercy School of Law, Detroit, Michigan
  • J.D., May 2013
  • Western Michigan University, Kalamazoo, Michigan
  • Bachelor of Arts in Political Science, May 2010

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Press Room

Jan
20
O’Reilly Rancilio attorney Brian Grant will host “Estate Planning Mistakes and How to Avoid Them” on March 16, 2022, at 10 a.m. at the Sterling Heights Senior… Read More
Jan
3
Hayley Tomich, of Grosse Pointe Park, recently joined the O’Reilly Rancilio legal team as an associate. She joins the firm’s business law, litigation and dispute… Read More
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Blog

Jan
18
The Michigan Supreme Court’s changes to case evaluations, which went into effect on Jan. 1, allow litigants to avoid the case evaluation process by specifying anot… Read More
Jan
12
People develop and purchase real estate with ambitious ideas of how to develop it. But simply owning property doesn’t give the person unlimited freedoms to do what… Read More
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