Andrew J. Koopman

Jay regularly represents clients in all aspects of employee benefits and executive compensation matters and related fiduciary and tax concerns. Jay has extensive experience with qualified and non-qualified employee benefit plans. He represents clients before the IRS, the Department of Labor, and the Pension Benefit Guaranty Corporation. He has extensive experience handling the employee benefits aspects of mergers and acquisitions, the fiduciary issues pertaining to plan assets, and other comm...

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 ...

Mark Mullen has particular experience in federal court procedure, spoliation issues, and the economic loss doctrine.Throughout his career handling subrogation matters for more than 25 years, Mark has investigated fires in refineries, warehouses, commercial properties, and vehicles, as well as explosions, building collapses, energy losses, machine failures, and floods all over the country and internationally. He has investigated failures in more than 20 states and tried cases or handled appeal...

Morris Wilson Knepp Jacquette, P.C.’s founder, Bob, is well known in the legal community throughout the Greater Philadelphia region for achieving record-setting verdicts and settlements on behalf of his clients. He represents victims of medical malpractice, car accidents, product liability, and criminal securities fraud. He also works as a mediator, arbitrator, and legal expert witness. Bob is both locally and nationally recognized as a talented civil trial lawyer, having achieved Natio...

Clark Whitney is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Clark practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Clark Whitney since 2018. 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 Clark Whitney is held by other lawyers.

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.

Adam Pantano is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Adam practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Adam Pantano 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 Adam Pantano is held by other lawyers.

Jonathan is an experienced family law attorney handling a wide range of domestic relations matters including divorce, support, custody, equitable distribution, prenuptial/postnuptial agreements and protection from abuse actions. His practice also consists of tax-related issues in complex support and equitable distribution matters. Jonathan is a frequent speaker and author on such topics as taxation and divorce, ethics in family law matters, divorce over 50, the judicial interview of children ...

Arthur R. Armstrong is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Arthur R. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Arthur R. Armstrong 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 Arthur R. Armstrong is held by other lawyers.

Michael J. Heller is the chief executive officer of Cozen O'Connor. He serves on the firm's board of directors, management committee and heads the emerging business and venture capital practice. Michael approaches each situation with an entrepreneurial zeal, and his investing experience arms him with a unique ability to provide legal and business insight into a variety of complex corporate matters. He understands, first hand, the critical roles of modern executives. Michael is a recognized le...