Mark L. Parisi

A partner in Willig, Williams & Davidson’s labor department, Bruce M. Ludwig has been representing unions and working individuals for more than 30 years. He counsels and represents clients in state and federal courts and administrative matters ranging from discrimination and civil rights disputes to pension, retirement, unemployment compensation and wage and hour issues. Resident in the firm’s Philadelphia office, Bruce is a skilled litigator and strategist who has served as c...

Patrick J. O´Connor is vice chairman of Cozen O´Connor. He is a trial lawyer who focuses his practice on litigation arising out of contracts, banking matters, estates, professional liability involving legal and accounting matters, health care, and aviation-related claims. Prior to joining Cozen O´Connor in 1973, he served as law clerk to the Hon. Thomas J. Clary, chief judge of the U.S. District Court for the Eastern District of Pennsylvania, and was an associate attorney at...

Ryan A. Hauck is a lawyer recognized by Best Lawyers in the practice area of Workers' Compensation Law - Employers. Ryan A. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Ryan A. Hauck since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ryan A. Hauck is held by other lawyers.

A Willig, Williams & Davidson partner, Linda M. Martin counsels and represents labor organizations and individuals in a broad range of labor and employment matters. She routinely advocates on behalf of her clients in state and federal courts, and before arbitrators and administrative agencies. Linda’s substantial professional experience includes labor practice proceedings, contract negotiations, ERISA litigation, employment claims and labor disputes, among other areas. In addition, ...

Todd Kantorczyk is a partner at the environmental and energy law firm of Manko, Gold, Katcher & Fox. He has extensive experience advising clients on complex issues related to regulatory compliance, litigation, and transactional matters, particularly in the areas of wetlands and stormwater permitting, chemical regulation, air, climate change, and energy. Todd’s practice has included matters related to chemical regulation under the Toxic Substances Control Act, as well as natural gas ...

Steve T. Park is a lawyer recognized by Best Lawyers in the practice areas of Project Finance Law and Public Finance Law. Steve T. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Steve T. Park since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Steve T. Park is held by other lawyers.

Priscilla E. Jimenez joined Kline & Specter after gaining experience with a federal civil rights office, a Philadelphia hospital and another city law firm while also being an active leader in the Hispanic legal community. She is also an accomplished violinist. Jimenez earned her undergraduate degree from Gordon College in Massachusetts, where she was the recipient of the A.J. Gordon Scholarship, and her law degree from the Thomas R. Kline School of Law at Drexel University. She earned sev...

Andrea M. Kirshenbaum is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. Andrea M. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Andrea M. Kirshenbaum since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Andrea M. Kirshenbaum is held by other lawyers.

Nicole J. Aiken-Shaban is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Nicole J. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Nicole J. Aiken-Shaban since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Nicole J. Aiken-Shaban is held by other lawyers.

Deborah R. Willig has served as Willig, Williams & Davidson’s managing partner since the firm’s founding in 1979. A determined advocate for workers, Deborah has focused her practice on labor relations and employment law since 1976. As a labor and employment attorney, Deborah has been involved in representing a wide range of labor unions including teachers, and non-professional public school employees, public health, social, and recreation workers, firefighters, teamsters and o...