Catherine Somerville-Frost

Laura Maffei brings her experience as a geologist to her practice in environmental and natural resources law. She has extensive experience in Clean Water Act regulation in both Oregon and Washington where she assists clients with negotiating permit conditions and complying with permits. Ms. Maffei has litigated a number of Clean Water Act cases in both state and federal court, including defending against citizen suits and challenges to state-wide Clean Water Act regulations. Ms. Maffei provid...

Natascha George advises clients with respect to all aspects of employee benefits and compensation, including retirement plans, health plans, stock option plans and executive compensation. Natascha has been a Lecturer in Law at Boston University School of Law in the Tax LLM program since 2010. Prior to joining the firm, Natascha was a member of the compliance departments at Fidelity Investments Tax-Exempt Services Company and Watson Wyatt Worldwide.

Kimberly Thibault is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Kimberly, who practices law in Miami, Florida, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kimberly is held by other top lawyers in the same geographic and legal practice area.

John R. Ivimey is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. John R., who practices law in Hartford, Connecticut, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John R. is held by other top lawyers in the same geographic and legal practice area.

Casey Gonyea is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Employers. Casey, who practices law in Greenville, South Carolina, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Casey is held by other top lawyers in the same geographic and legal practice area.

Aaron Hand is a trial lawyer at Bunsow De Mory LLP in Redwood City, California . His practice focuses on Litigation - Intellectual Property and Litigation - Patent matters , including disputes involving patents and trade secrets across a range of technologies. His work has involved cases related to consumer products, semiconductor processing, data storage, wireless technologies, biologics, and diagnostic products. Aaron has participated in multiple patent litigation trials and has helped clie...

Mary L. O’Connor’s practice focuses on representing public companies and their officers and directors in commercial litigation and arbitration, securities litigation, internal investigations, and regulatory investigations and enforcement proceedings. Ms. O’Connor is a member of the Commercial Panel of the American Arbitration Association and is a FINRA arbitrator.

Lew is the director of Sullivan's Corporate Department in Boston. His practice is focused on a number of transactional areas. He regularly represents public and private companies in equity and debt financings, joint ventures, domestic and international mergers and acquisitions, and general corporate matters. Lew also represents financial institutions in secured and unsecured credit facilities. His clients consist of major financial institutions, private equity groups, family-owned businesses,...

Hayden R. Dempsey is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Government Relations Practice. Hayden R., who practices law in Tallahassee, Florida, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hayden R. is held by other top lawyers in the same geographic and legal practice area.

Lawrence S. Lustberg chairs the Gibbons Criminal Defense Department and is a longtime Director of the firm’s John J. Gibbons Fellowship in Public Interest & Constitutional Law, which litigates historic, cutting-edge civil rights and civil liberties cases. A magna cum laude graduate of Harvard College (1979) and cum laude graduate of Harvard Law School (1983), as well as recipient of the International Graduate School Fellowship at the University of Stockholm (1980), Mr. Lustberg cler...