Sean J. MacKenzie

1100 Rand Building
14 Lafayette Square
Buffalo, New York 14203

Sean J. MacKenzie

Sean J. MacKenzie is a partner at the Buffalo, New York law firm of Magavern Magavern Grimm LLP, practicing in the areas of corporate and commercial litigation, property litigation, personal injury, counseling medical and dental practices, general business law and obtaining liquor licenses and defending against disciplinary charges brought by the State Liquor Authority (SLA). Mr. MacKenzie practices out of the firm's office in Niagara Falls, New York and the main office in downtown Buffalo.

Practice Areas

Administrative Law, Business Law, Civil Litigation, Corporate and Commercial Litigation, Health Law, Litigation, Personal Injury


He worked with the law firm of Piper, Rudnick, Gray & Cary, LLP in San Diego, California before returning to Western New York.

Court Admissions

He is admitted to practice in New York State courts, the United States District Court for the Western District of New York, and the United States Bankruptcy Court for the Western District of New York.

Professional & Community Associations

He is a member of the Erie County and Niagara County Bar Associations and the New York State Bar Association.


Mr. MacKenzie graduated with bachelor's degrees in psychology and business management from the State University of New York at Fredonia. He received both Juris Doctorate (JD) and Master of Business Administration (MBA) degrees from the State University of New York at Buffalo.