MG+M Elevates Attorneys Stephanie Chesney and Shannon O’Neil Partner


stephanie Chesney and Shannon O’Neil

MG+M The Law Firm (MG+M) is pleased to announce that it has elevated attorneys Stephanie M. Chesney and Shannon M. O’Neil to partner, effective Jan. 1, 2021. Both are based in the firm's Boston office. Across all the firm's offices, five attorneys were elevated to partner.

“We congratulate this group of outstanding attorneys on their accomplishments that have earned them new roles and promotions to partner at our firm,” said MG+M Chairperson and Partner John B. Manning. “They are representative of our many talented and highly skilled attorneys who serve clients in diverse practice areas, spanning our offices from coast to coast.”

Chesney has significant experience defending a wide variety of civil cases, focusing specifically in commercial litigation and catastrophic injury. Her experience includes representing clients in diverse business and commercial litigation matters, including employment, general liability, products liability, construction, and premises liability. Chesney also handles professional liability matters in the defense of health care providers and institutions. She received her J.D. from New England School of Law and her Bachelor of Arts from Saint Mary’s College of Maryland.

O’Neil focuses her practice on complex civil litigation, including toxic tort, mass tort, and products liability defense. She has extensive knowledge of asbestos and toxic tort litigation matters in Rhode Island and Massachusetts. She received her J.D. from Roger Williams University School of Law and her Bachelor of Arts from Rhode Island College.

About MG+M

MG+M The Law Firm (MG+M) is a national litigation and trial firm that provides coordinated, coast-to-coast services for corporate clients in high stakes matters. The firm offers national coverage through 14 offices and a vast local counsel network that can rapidly respond to litigation demands in all levels of court, anywhere in the country. The experienced team of diverse attorneys, collaborative approach, and national resources enable the firm to provide superior value and achieve optimal results in addressing clients’ most complex litigation challenges. For more information, visit

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