Meet Our Attorneys
Lance Rosen was born in Philadelphia, Pennsylvania on May 6, 1966. He graduated from Lower Moreland High School in 1984. He thereafter attended and graduated from the University of Delaware in 1988 with a Bachelors of Science in Economics. He received his Juris Doctorate in 1991 from The Widener University School of Law. In law school Mr. Rosen was the vice president of the Moot Court Honor Society.
Mr. Rosen is admitted to practice in Pennsylvania, New Jersey and before the United States District Court for the Eastern District of Pennsylvania and the United States District Court for the District of New Jersey. Over the years, Mr. Rosen has handled major civil litigation in Philadelphia and the surrounding counties as well as in the State of New Jersey. His practice areas include civil litigation, workers compensation, personal injury, social security, long term disability and legal malpractice. Mr. Rosen is a member of the Philadelphia Trial Lawyers Association and the Pennsylvania Trial Lawyers Association.
Mr. Moss has handled major civil litigation mostly in Philadelphia and its surrounding counties as well as in the state of New Jersey. Mr. Moss has also worked with clients all over the country and even internationally. Mr. Moss’ practice areas include civil litigation, negligence/personal injury, long/short term disability (ERISA and Private Policies), social security, corporate representation, and commercial litigation. Daniel Moss was born in Philadelphia, Pennsylvania in 1971. He graduated from the University of Maryland in 1993 as a distinguished Dean’s Honor List Graduate and worked for a United States Senator on Capitol Hill in Washington, D.C.
He received his Juris Doctorate in 1996 from The Temple University School of Law graduating with honors. While at Temple Law, Mr. Moss was selected as Senator of his entire law school class by his fellow law school classmates. Mr. Moss is admitted to practice in Pennsylvania, New Jersey and before the United States District Court for the Eastern District of Pennsylvania and the United States District Court for the District of New Jersey where he has compassionately advocated for countless clients for decades.
He has often sat as the lead Arbitrator in the Philadelphia Court of Common Pleas where he has decided and ruled on numerous cases. Known by many as a strong community leader and extremely charitable man, Mr. Moss has received professional recognition for his attorney volunteer service for the disabled. He was a recipient of the Outstanding Volunteer Attorney Award from CBAP, working for free with disabled individuals and was subsequently elected to the Board of Directors of CBAP due to his work.
He continues to volunteer as an Attorney and Mentor providing free legal services to indigent, disabled clients. Mr. Moss has also volunteered his time for The Big Brother Big Sister Association of Philadelphia (serving as a Mentor to a young child), The Upper Dublin Community Study Program (annually giving a local high school student the opportunity to apply theoretical knowledge to real life situations at the workplace) and has been an extremely active community volunteer for various local and regional sports programs (Penn Alliance Select Soccer {President, Founder, & Professionally Licensed Coach}, Upper Dublin Soccer Club {Vice President, Board Member, Director & Professionally Licensed Coach} and The Upper Dublin Junior Athletic Association (Coach).
While under Mr. Moss’ strong leadership, UDSC was the winner of the 2016 Upper Dublin Medal for excellence as a non-profit organization. This Medal is historically recognized as the most prestigious of all area community involvement recognition programs. Mr. Moss also head coached two separate soccer teams to gold medals for the Mid-Atlantic Regional Games (2013 Girls & 2014 Boys).
Further, he is a long-standing member of the Tau Epsilon Rho Legal Fraternity, the Philadelphia Trial Lawyers Association, the Pennsylvania Trial Lawyers Association, and the American Bar Association. Upon meeting Mr. Moss, you will soon know that he will take the time to listen to your story and quickly understand your needs. Mr. Moss will dedicate himself to helping you and your families achieve the best possible legal result and focus on helping restore your lives. The most common feedback that our firm receives about Mr. Moss is that he is “more like a friend than an attorney”. Please be sure to read the numerous testimonials herein documenting Mr. Moss’ long history of satisfied clients and long track record of proven results.
215-607-8772 | MSnyder@RMS.law
Professional Overview
Marc Snyder is a partner at Rosen Moss Snyder LLP, where he leads the firm’s Disability Law Practice. He works closely with a dedicated team that focuses exclusively on supporting individuals with disabilities through every phase of the claims process. Known for his strategic approach and compassionate advocacy, Marc is committed to guiding clients through applications, appeals, litigation, and settlement negotiations.
Commitment to Clients & Case Outcomes
Having recovered millions of dollars in benefits for his clients, Marc measures success by the strength and quality of his advocacy rather than the size of the claim. Marc recognizes the financial hardships his clients face and handles almost all cases on a contingency fee basis—sharing in the risk and standing shoulder-to-shoulder with his clients in their fight for justice.
A Reputation for Tough Cases
Marc has built a reputation for taking on complex and challenging cases that many attorneys are unwilling to handle. From initial filings to appeals at the federal appellate level, Marc is relentless in his pursuit of justice. While other attorneys may seek a quick settlement, Marc remains committed to achieving the best possible outcome—whether through litigation or strategic negotiation.
ERISA & Private Disability Litigation
Marc is a seasoned and tenacious ERISA and private disability litigator. He has successfully represented clients in hundreds of disability cases across the country, both in and out of the courtroom. He has litigated against every major disability insurer, including New York Life, MetLife, Prudential, Unum, The Hartford, Lincoln Financial, MassMutual, Equitable, Guardian, Aetna, The Standard, Sun Life, and Reliance Standard.
Marc’s practice spans the entire life cycle of a disability claim—from initial applications and claim denials to federal lawsuits and settlement negotiations. He is particularly skilled in handling appeals of denied or terminated disability claims, meticulously building persuasive records to reverse unfavorable decisions. In addition, he is highly experienced in negotiating favorable lump-sum buyouts when such resolutions are in his client’s best interest, securing both immediate relief and long-term financial stability.
Social Security Disability (SSDI) Advocacy
Marc is also widely regarded as one of the region’s top SSDI attorneys. He takes pride in his hands-on approach, ensuring the Social Security Administration receives complete and accurate documentation and providing compelling representation at disability hearings.
Speaking Engagements & Publications
Marc is a respected speaker and published authority on ERISA and disability law. He has presented at:
- The 10th Annual Northeast Regional Employment Law Institute
- Continuing Legal Education (CLE) seminars in Pennsylvania and Delaware on a range of topics, including ERISA, private disability litigation, and Social Security Disability Insurance (SSDI)
- The Parkinson’s Council (2024)
- The Autism Spectrum Disorder Symposium (2025)
Marc is also a contributing author to several editions of Employment Law in Pennsylvania, published by the Pennsylvania Bar Institute (2012, 2014, 2016, 2018).
Education and Early Career
Marc earned his Bachelor of Science in Quantitative Business Analysis from Pennsylvania State University in 1983. Before entering the legal profession, he spent over a decade in actuarial management at a major life and health insurance company. In 1997, Marc received his Juris Doctor from Widener University School of Law and was admitted to practice law in 1998.
Admissions
Marc is licensed to practice law in Pennsylvania, New Jersey, and Delaware. He is also admitted to the following courts:
- United States District Courts for the Eastern, Middle, and Western Districts of Pennsylvania
- United States District Court for the District of Delaware
- United States District Court for the District of New Jersey
- United States Court of Appeals for the Third Circuit
215-935-1157 | CHarris@RMS.law
Chris Harris is an attorney at RMS LAW. Mr. Harris primarily handles Social Security Disability, Short Term Disability, ERISA and Private Long-Term Disability claims throughout all stages of the disability claims process. This includes fighting for clients during the initial benefit claims process, the appeals process, as well as the full-scale litigation process. Mr. Harris is dedicated to the passionate and zealous advocacy on behalf of the disabled and/or injured person.
Prior to joining RMS, Mr. Harris practiced law for several years in the Pennsylvania Attorney General’s Office as a litigator. Mr. Harris garnered experience as a vigorous and successful litigator and negotiator. Mr. Harris successfully negotiated favorable settlements for millions of dollars in this role. After leaving the Attorney General’s Office, Mr. Harris worked as an attorney for one of the top accounting firms in the world. In that position, Mr. Harris gained valuable experience anticipating and meeting his clients’ needs and helping clients navigate a complex and unfamiliar legal landscape to achieve favorable results.
While originally a native of Buffalo, NY, Mr. Harris has made Philadelphia his home. He received a BA degree in Psychology from S.U.N.Y Geneseo in 2016. Mr. Harris then received his Juris Doctorate Degree from the University of Pittsburgh in 2018 where he was an Editor for the Pittsburgh Tax Review. Mr. Harris was also proudly active in the Low Income Taxpayer Clinic where he assisted individuals, unable to speak for themselves, in defending against assesments and audits.
