Michael J. O'Brien

Ellen C. Brotman began her career as a law clerk in the United States District Court, Southern District of New York. She has served as an Assistant Federal Defender in Philadelphia, PA and practiced in small, medium and large firms with a focus on criminal defense, appellate advocacy, professional responsibility and ethics. She has defended a wide variety of high-profile criminal cases, including political and public corruption, securities fraud, tax fraud, money laundering, currency structur...

Keld R. Wenge is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Keld R., who practices law in Philadelphia, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keld R. is held by other top lawyers in the same geographic and legal practice area.

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

Ted Murphy began practicing Immigration Law in 1994. During his early years as a sole practitioner, he represented individuals in detained and juvenile immigration matters. In 1997, he entered federal service, where he spent more than a decade with U.S. Immigration and Customs Enforcement (ICE) and the former Immigration and Naturalization Service (INS). His background includes work on complex immigration cases and regular speaking engagements addressing developments in immigration law. In 20...

Joe concentrates in state and local taxation, regularly assisting business and individual taxpayers regarding corporate, financial institution, sales and use, income, real estate, transfer, and all other state and local taxes. A former chief counsel of the Pennsylvania Department of Revenue, he has since represented hundreds of taxpayers — including businesses, individuals, and nonprofit entities — in state and local tax planning, administrative, legislative, and litigation matter...

A partner in Willig, Williams & Davidson’s labor department, Amy L. Rosenberger represents labor unions and individual employees before state and federal courts and in arbitrations, negotiations and administrative proceedings. With more than 15 years of experience as a labor practitioner, Amy also counsels and trains employees and union representatives with respect to employment disputes and their rights under the law. Amy considers it a privilege to assist working individuals by ad...

James M. Kwartnik is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. James M., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James M. is held by other top lawyers in the same geographic and legal practice area.

Stephen M. Packman is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Stephen M., who practices law in Philadelphia, Pennsylvania, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen M. is held by other top lawyers in the same geographic and legal practice area.

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

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