Michael D. "Mike" Fabius

Caleb’s practice focuses on complex environmental litigation and environmental compliance. Caleb has represented clients in state and federal courts and in administrative proceedings. In his environmental litigation practice, Caleb often represents corporate clients in cost recovery, contribution and government enforcement actions under Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Caleb has litigated such matters through trial and has also helped clien...

Gregory R. Gifford is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Personal Injury Litigation - Plaintiffs. Gregory R., who practices law in Colmar, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory R. is held by other top lawyers in the same geographic and legal practice area.

John represents a broad array of clients, ranging from Fortune 500 companies to smaller closely held businesses, facing diverse environmental issues. John is co-practice leader of the firm's New Jersey practice, is a partner in the firm’s environmental litigation group, and is also regularly called upon by clients to handle site remediation matters and complex negotiations with government entities and private parties. John’s work on contaminated sediment sites and related litigati...

Whether he is negotiating a settlement or trying a case to verdict, Edward Chacker is recognized as one of the leading trial lawyers in Pennsylvania. As Senior Managing Partner and Chair of Gay & Chacker, Edward has built a successful career representing clients in the personal injury and civil litigation arenas, particularly in cases involving car and truck crashes , workplace injuries, slip and fall accidents, medical malpractice , and police and correctional guard abuse. He is an appro...

Robert A. Silverman joined the firm’s Philadelphia office in March 2009 as a member in the Business Law Department. For the period from September 1981 through his arrival at Cozen O'Connor he practiced in the Real Estate Department of another major Philadelphia law firm, where he was a partner since 1989. A member in the Real Estate Practice Group, Robert represents developers, lenders and owners in a variety of sophisticated transactions, including the development of office buildings, ...

Tyler J. Therriault is an attorney with Donaghue & Labrum LLP in Media, Pennsylvania. He represents individuals and families throughout the greater Philadelphia region and across Pennsylvania who have been harmed by negligent, careless, or unlawful conduct. His practice focuses on helping clients navigate complex legal matters with care, preparation, and attention to detail. Mr. Therriault handles a wide range of personal injury and wrongful death matters, including Medical Malpractice La...

Nancy B. G. Lassen is a partner in the Philadelphia office of Willig, Williams & Davidson. Nan has focused her practice on labor law at WWD since 1984. Nan grew up in Detroit, MI in a family with strong ties to labor. Her father (a disabled veteran) was a Teamster. Her mother was a UAW member. And her grandfather was a Steelworker. Nan herself has been a tireless and courageous advocate for working men and women for decades. Working in industry since age 15, including on a Chrysler assemb...

Robert L. Sachs, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Plaintiffs and Personal Injury Litigation - Plaintiffs. Robert L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert L. is held by other top lawyers in the same geographic and legal practice area.

Stephen Harvey is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Stephen, who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen is held by other top lawyers in the same geographic and legal practice area. In addition to his litigation practice, Steve counsel clients in sensitive matters involving corporate, employmen...

Kayci D. Petenko is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Kayci D., who practices law in Philadelphia, Pennsylvania, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kayci D. is held by other top lawyers in the same geographic and legal practice area.