Robert J. Mack

Jonathan L. Kotlier is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Jonathan L., who practices law in Boston, Massachusetts, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan L. is held by other top lawyers in the same geographic and legal practice area.

R. Daniel O'Connor is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Banking and Finance and Litigation - Regulatory Enforcement (SEC, Telecom, Energy). R. Daniel, who practices law in Boston, Massachusetts, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Daniel is held by other top lawyers in the same geographic and legal practice area.

Brian Mukherjee is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Brian, 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 Brian is held by other top lawyers in the same geographic and legal practice area.

Sean is a corporate partner in Kirkland’s Investment Funds Group who focuses on representation of investment managers in all aspects of their business and operations, with a particular emphasis on formation of private investment funds, and in structuring and execution of secondary transactions. He is described by clients in Chambers USA as “clearly a gem” who is “hands-on, precise and articulate” and “very practical and business-minded.” Chambers Glob...

Dominic E. Massa is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Dominic E., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dominic E. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey T. Collins is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jeffrey T., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey T. is held by other top lawyers in the same geographic and legal practice area.

Michael J. McGrail is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Michael J., who practices law in Boston, Massachusetts, has been recognized since 2025. 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.

Johanna L. Matloff is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Johanna L., 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 Johanna L. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey W. Roberts is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Jeffrey W., who practices law in Boston, Massachusetts, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey W. is held by other top lawyers in the same geographic and legal practice area.

Joel is particularly experienced in the tax structuring of complex business and investment arrangements using partnerships, limited liability companies and Subchapter S corporations. He advises a broad range of private and institutional investors, including real estate investment firms, on a wide variety of U.S. federal income tax matters, including in connection with fund formation matters, the acquisition and disposition of property, structuring debt and equity investments, equity compensat...