Howard M. Klein

Jennifer is the founding partner of Horn Williamson & Collins and has devoted her more than 30-year career exclusively to construction law and litigation. Under Jennifer’s leadership, Horn Williamson & Collins has grown into a respected woman-owned construction litigation firm known for handling both residential and commercial construction matters arising from public and private projects. Her practice is defined by a combination of technical construction knowledge, practical lit...

Ruxandra M. Osgood is a lawyer recognized by Best Lawyers in the practice area of Workers' Compensation Law - Claimants. Ruxandra M. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Ruxandra M. Osgood 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 Ruxandra M. Osgood is held by other lawyers.

Leonard A. Sloane is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Personal Injury Litigation - Plaintiffs. Leonard A. practices law in Media, Pennsylvania Best Lawyers has recognized Leonard A. Sloane since 2014. 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 Leonard A. Sloane is held by other lawyers.

Gregory Spizer is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Gregory practices law in Philadelphia, Pennsylvania and handles cases such as medical malpractice, catastrophic injury, auto-accidents, and more. Best Lawyers has recognized Gregory Spizer since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice ...

Michael McKenna has been a partner in Margolis Edelstein since 1983 and has served as the firm’s Managing Partner since 1995. Before joining Margolis Edelstein in 1982, Michael was Assistant General Counsel for the Pennsylvania Manufacturers’ Association Insurance Company. He handles files, publishes, and speaks on a broad array of insurance and tort topics. As Managing Partner, Michael oversees all operations in a firm which has grown during his tenure from two to nine offices. M...

Noah H. Charlson is a lawyer recognized by Best Lawyers in the practice area of Construction Law. Noah H. practices law in Philadelphia, Pennsylvania Best Lawyers has recognized Noah H. Charlson 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 Noah H. Charlson is held by other lawyers.

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...

Stephen J. Olsen is a member of Gawthrop Greenwood’s Trusts & Estates Department, practicing in the areas of Estate, Trust Administration, Estate Planning Taxation, and Business Transactions. He is also one of the few Pennsylvania attorneys in private practice with a wide breadth of experience supporting the legal needs of medical marijuana operators. Recently Stephen’s Cannabis Law practice has expanded to provide support to medical marijuana permittees in operation after Pen...

Lester E. Lipschutz concentrates his practice on sophisticated estate and tax planning for high net worth families, including the preparation of wills and trusts, insurance planning, family limited partnerships, defective grantor trusts, grantor retained annuity trusts, residence trusts, asset protection planning, generation-skipping planning, dynasty trusts and the preparation of prenuptial agreements. He also assists clients with business succession planning, including shareholders’ a...

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...