Henry J. Donner

Jennifer W. Karpchuk represents companies and individuals in various matters related to state and local taxation, with an emphasis on the minimization of state and local tax obligations. She has extensive experience handling state and local tax matters, including those related to: corporate income taxes, franchise taxes, gross receipts taxes, excise taxes, personal income taxes, sales and use taxes, business privilege taxes, and real estate taxes. Jennifer serves in a number of leadership rol...

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...

Ira C. Gubernick is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Ira C. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Ira C. Gubernick 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 Ira C. Gubernick is held by other lawyers.

Scott M. Slomowitz is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Scott M. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Scott M. Slomowitz since 2024. 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 Scott M. Slomowitz is held by other lawyers.

Ellen Brotman is the founder of BrotmanLaw PLLC, with offices in Philadelphia and Washington, DC. An attorney with more than 30 years in practice, she represents attorneys in disciplinary, licensure, and reinstatement matters and counsels lawyers and law firms on legal ethics and professional responsibility. For more than 20 years, she has represented hundreds of clients in matters before the Pennsylvania Board of Law Examiners, the Pennsylvania Disciplinary Board, the Pennsylvania Lawyers&rs...

Sarah A. Kelly concentrates her practice in employment law and employment discrimination law and related litigation, sexual harassment law, and in counseling employers on issues in labor and employment law. She has over 30 years of experience, both at leading law firms and as in-house counsel for two major financial services corporations. Sarah provides practical experience in managing and litigating the full range of employment law issues, from individual cases to class action lawsuits. She ...

Brian Balduzzi is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Brian practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Brian Balduzzi since 2027. 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 Brian Balduzzi is held by other lawyers.

William A. Denmark is a lawyer recognized by Best Lawyers in the practice area of Construction Law. William A. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized William A. Denmark since 2013. 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 William A. Denmark is held by other lawyers.

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 ...

Nataliya Rymer focuses her practice on employment-based immigration and compliance. She represents employers of various sizes across all industries, helping them plan and effectuate movement of an international workforce to the United States, as well as with the nuances involved with hiring foreign nationals. She has considerable experience in a wide range of employment-based immigrant and non-immigrant matters, including those involving professionals, managers and executives; educational ins...