Ernest P. "Ernie" DeSimone

Alan Rose founded the firm in 1995. A former Assistant U.S. Attorney in Massachusetts, he represents clients in a wide variety of civil litigation matters and defends individuals and companies in governmental and regulatory investigations and prosecutions. Alan has been recognized as one of the Top 100 Lawyers in Massachusetts by Boston Magazine . From 2002 to 2006, he served, by appointment of the Supreme Judicial Court of Massachusetts, on the Board of Bar Overseers, including serving as it...

Daryl L. Wiesen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Daryl L., who practices law in Boston, Massachusetts, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daryl L. is held by other top lawyers in the same geographic and legal practice area.

Rob is a regulatory and business lawyer with extensive experience dealing with legal issues faced by clients in highly regulated industries. He represents competitive energy and communications companies nationally and routinely represents clients in a wide range of regulatory issues. Rob has covered every aspect of New England regulations for electricity, communications, natural gas and water clients, from obtaining utility commission and local licenses to ensuring ongoing compliance with sta...

Jeffrey Fritz is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jeffrey, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Andrea Studley Knowles is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment and Product Liability Litigation - Defendants. Andrea Studley, who practices law in Boston, Massachusetts, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrea Studley is held by other top lawyers in the same geographic and legal practice area.

Mike Sartor is a corporate partner in the Boston office of Kirkland & Ellis LLP. Mike focuses on representing private equity sponsors as well as public and private companies in connection with mergers and acquisitions. Mike also has substantial experience representing private equity firms in their fund formation activities and strategic transactions and representing public and private companies in general corporate law matters. Representative clients include 3i Group plc, Cerberus Capital...

Michael J. Griffin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Michael J., who practices law in Boston, Massachusetts, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Julia R. Hesse is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Julia R., who practices law in Boston, Massachusetts, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julia R. is held by other top lawyers in the same geographic and legal practice area.

Jerome (Jerry) B. Tichner focuses his practice on representing hospitals and health systems in transactional matters, including mergers, acquisitions, joint ventures, affiliations and dispositions. He also devotes a significant portion of his practice to representing private equity firms and their platform companies with respect to the acquisition and divestiture of health care-related companies and assets. In recent years, Jerry has led or played a leading role in transactions involving the ...

Andrew L. Eisenberg is a partner in the Boston office of Constangy. His practice encompasses all aspects of labor law, labor relations and employment law. Mr. Eisenberg has extensive experience assisting the firm's clients in responding to union organizing campaigns, negotiating and advising clients with respect to the administration of collective bargaining agreements and representing clients in grievance and arbitration proceedings. He also assists clients with respect to the full range of ...