Michael Mitrione is a shareholder who is a part of Gunster’s Corporate practice as well as the firm’s Banking and Securities practices.

Mike joined the firm after practicing in New York City for four years. He served as the chair of Gunster’s Corporate practice for more than three decades, as well as served on the firm’s board of directors.

Mike routinely advises clients in a wide variety of matters including business, corporate, securities and banking law. Mike strives to bring a value-oriented, practical, problem-solving approach to all matters.

Mike has represented companies and investors in a wide variety of industries and at all stages of growth, from private start-up ventures to large public companies. Mike provides strategic counseling for and advises U.S. and foreign based entities and their directors and officers on mergers and acquisitions, equity and debt financings, corporate governance and joint ventures. Mike also advises clients on corporate structuring and restructuring, employment, compensation and non-compete arrangements, securities and banking regulatory compliance, and licensing, distribution, sports and other business agreements.

Mike has received recognition from numerous industry publications, including The Best Lawyers in America®, Chambers USA, Super Lawyers, Florida Trend and South Florida Business Journal.

Mike speaks Italian, so he has particular experience in advising various Italian organizations conducting business in the United States.

  • $500 million sale of a company in the employee benefits space
  • $165 million sale of a national pest control company
  • $310 million merger of two publicly traded bank holding companies
  • Purchases and sales of several aviation parts companies
  • Nationwide representation of a private equity fund in numerous investment transactions
  • Sale of an agribusiness with operations in Ohio and Missouri to a Northeastern private equity firm
  • Sale of an auto parts distribution company
  • Sale of a business providing technology solutions for financial services companies
  • Merger of two not-for-profit hospice businesses
  • Purchase and sale of several conference and publication businesses for a privately owned publications company
  • $80.5 million public offering of stock for a Florida bank holding company
  • Sale of a pump manufacturing business
  • Sale of a steel fabrication business
  • Sale of a food production business
  • Sale of a business providing technology solutions for the automotive industry
  • Sale of numerous insurance agencies
  • Purchase of several cement businesses
  • Purchase and sale of over 20 community banks and bank holding companies
  • Numerous distribution and sponsorship agreements for alcoholic beverage producers
  • Employment, equity incentive and retirement plan agreements for various executives of publicly traded companies
  • Purchase and sale of several alcoholic beverage production businesses
  • Numerous golf course design and endorsement/licensing agreements for a prominent professional golfer
  • Purchase and sale of various investment advisory businesses
  • Purchase of an oil field services business
  • The Best Lawyers in America®, Mergers and Acquisitions Law, Banking & Finance Law, Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Business Law, and Corporate Law, 1991-2023
  • Chambers & Partners, “Leaders in Their Field,” Corporate/Mergers & Acquisitions and Private Equity, 2009-22, and Banking & Finance: Transactional, 2011-22
  • Florida Super Lawyers, 2006-22
  • Florida Trend, “Legal Elite,” 2007, 2011, 2013-14, 2018-19
  • South Florida Legal Guide, “Top Lawyer,” Corporate & Business; Mergers & Acquisitions, 2005-14
  • The Best Lawyers in America®, Corporate Lawyer of the Year in West Palm Beach, 2010
  • Boca Raton Observer, “Top Lawyers,” 2022
  • Palm Beach Illustrated, “Top Lawyers,” Banking and Finance, Mergers and Acquisitions, Corporate Law, Corporate Governance and Complaints Law, 2018-22
  • Jupiter Magazine, “Top Lawyers,” Banking and Finance, Mergers and Acquisitions, Corporate Law, Corporate Governance and Complaints Law, 2021 & 2023
  • “Community Leader of the Year,” Palm Beach North Chamber of Commerce, 2018
  • Gaeta Chairman’s Award of Excellence, Palm Beach North Chamber of Commerce, 2022
  • AV Rated as independently determined by Martindale-Hubbell
  • “Bank Executive Compensation and Employee Retention: Get It Right or Forget Doing a Bank Merger,” Florida Bankers’ Association annual meeting, Miami Beach, FL, June 2016
  • South Florida Legal Guide, Top Attorneys handle important financial transactions for their clients (Financial Edition, October 2014)
  • “Director Duties and Liabilities,” Florida Bankers Association Annual Convention
  • “Financing Growth in a Volatile Market,” Florida 100 Conference
  • “Going Public,” Florida 100 Conference
  • “Growth Financing,” Florida 100 Conference
  • “Duties and Responsibilities of Bank Directors – How to Avoid Liability,” University of Florida’s Third Annual Seminar for Directors of Financial Institutions
  • “The Practicalities of Capital Raising,” Treasure Coast Entrepreneurs Club
  • “Legislative Developments Affecting Not-For-Profit Corporations and Condominium Associations,” Broward County Chapter of the Florida Institute of CPAs
  • “The New Florida Business Corporation Act,” various chapters of the Florida Institute of CPAs
  • Florida Corporate Practice, 4th Ed., contributing author
  • Florida Bar
    • Corporations and Securities Committee
    • Corporate Law Revision Committee
    • Business Law Section
    • Legislative Subcommittee, Ch. 517
    • Revision Committee
  • New York Bar
  • Palm Beach Gardens Medical Center
    • Vice-chair, 2022
    • Governing board, 2015-present
      • Chairman, 2023-present
  • Children’s Healthcare Charity, Inc. (Honda Classic Golf Tournament)
    • Board of directors, 2020-present
    • Executive committee, 2021-present
    • Treasurer, 2022
  • Quantum House
    • Chairman, 2017-19
    • Board of directors, 2011-present
    • Executive committee, 2012-present
  • Leadership Florida, Class XXVIII, 2009-10
  • Max Planck Florida Institute for Neuroscience, board of trustees, 2010-present
  • The Gary Carter Foundation, Inc., board of trustees, 2008-18
  • Palm Beach North Chamber of Commerce, Executive Committee, 2007-16, chairman, 2010-11
  • Fordham University School of Law, regional president, Alumni Association, 2007-present
  • Angel Forum of Florida, board of directors, 2013-14
  • Special award for “Visionary Leadership” by the Palm Beach North Chamber of Commerce, 2011
  • University of Florida Center for Entrepreneurship & Innovation, advisory board
  • The Pine School, board of trustees, 2006-11
  • Juvenile Diabetes Research Foundation, Greater Palm Beach County Chapter, board of directors and Executive Committee, president, 2002-04
  • Business Development Board of Palm Beach County, board of directors, chairman, 1989-90
  • National Association of Corporate Directors, South Florida Chapter, vice president and secretary, 1987-90
  • SunFest of Palm Beach County, Inc., board of directors

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