Lance Rosen was born in Philadelphia, Pennsylvania, on May 6, 1966, and has spent his life rooted in the communities he now serves as an advocate. He graduated from Lower Moreland High School in 1984 and went on to attend the University of Delaware, where he earned a Bachelor of Science in Economics in 1988. He received his Juris Doctor from Widener University School of Law in 1991. While in law school, Mr. Rosen distinguished himself as Vice President of the Moot Court Honor Society, an early indication of his passion for courtroom advocacy and litigation.
Mr. Rosen is admitted to practice law in Pennsylvania and New Jersey, as well as 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 course of his career, he has handled complex and high-stakes civil litigation matters throughout Philadelphia, the surrounding counties, and across the State of New Jersey. His extensive litigation experience allows him to navigate cases from initial investigation through trial with confidence and precision.
His practice concentrates on civil litigation, workers’ compensation, personal injury, Social Security disability, long-term disability, and legal malpractice matters. Mr. Rosen has built a reputation for thorough preparation, strategic thinking, and relentless advocacy, particularly in cases where individuals are facing powerful insurance companies, employers, or institutions.
Client-Centered Philosophy
At the core of Mr. Rosen’s practice is a deeply client-centered philosophy. He understands that clients often come to him during some of the most difficult moments of their lives—after serious injuries, job loss, or the denial of critical benefits. Mr. Rosen believes that effective legal representation begins with listening. He takes the time to understand not only the legal issues, but also the personal and financial impact a case has on a client and their family. Clients work directly with Mr. Rosen, not layers of staff, ensuring personal attention, clear communication, and honest guidance at every stage of the case. His goal is not only to achieve strong legal results, but also to provide clients with confidence, clarity, and peace of mind throughout the process.
Mr. Rosen is a member of the Philadelphia Trial Lawyers Association and the Pennsylvania Trial Lawyers Association. He is known for combining seasoned trial experience with a practical, compassionate approach, fighting tirelessly to protect his clients’ rights while treating every case with the care and respect it deserves.
Daniel Moss has devoted his career to standing up for people who need a powerful advocate in their corner. For over three decades, he has handled significant civil litigation matters throughout Philadelphia, its surrounding counties, and across New Jersey—while also helping clients nationwide and internationally. His practice has spanned civil litigation, negligence and personal injury matters, long- and short-term disability (both ERISA and private policies), Social Security disability, corporate representation, and commercial litigation.
Born in Philadelphia in 1971, Mr. Moss graduated from the University of Maryland in 1993 as a distinguished Dean’s Honor List scholar and worked on Capitol Hill in Washington, D.C. for a United States Senator. He earned his Juris Doctor in 1996 from Temple University School of Law, graduating with honors. While at Temple, his classmates elected him Senator of the entire law school class—an early sign of the trust and respect he continues to inspire.
Mr. Moss is admitted to practice in Pennsylvania, New Jersey, the United States District Court for the Eastern District of Pennsylvania, and the United States District Court for the District of New Jersey. For decades, he has fiercely and compassionately advocated for disabled individuals, injured clients, small businesses, and families navigating some of the most difficult chapters of their lives. Those who work with him quickly learn that he is a tireless and fearless fighter—someone who will not back down from a challenge and will pursue every avenue to secure the justice his clients deserve.
In addition to his litigation work, Mr. Moss has frequently served as a lead Arbitrator in the Philadelphia Court of Common Pleas, presiding over and deciding numerous cases. His commitment to community service is equally well-known. He has been honored with the Outstanding Volunteer Attorney Award from CBAP for his extensive pro bono work on behalf of disabled individuals and was later elected to CBAP’s Board of Directors.
Mr. Moss continues to devote significant time to volunteer legal service as both an attorney and mentor for indigent and disabled clients. Beyond the legal field, he has volunteered with 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 deeply involved in local and regional sports programs. His leadership roles have included President, Founder, and professionally licensed coach for Penn Alliance Select Soccer; Vice President, Board Member, Director, and professionally licensed coach for the Upper Dublin Soccer Club; and long-time coach within the Upper Dublin Junior Athletic Association. Under his leadership, UDSC received the 2016 Upper Dublin Medal—one of the area’s most respected community honors. He also coached two separate soccer teams to gold medals in the Mid-Atlantic Regional Games.
Mr. Moss has been a long-standing member of the Philadelphia Trial Lawyers Association, the Pennsylvania Trial Lawyers Association, and the American Bar Association.
Clients often say that Mr. Moss feels “more like a friend than an attorney”—someone who listens deeply, understands what truly matters, and stands by them from the first meeting to the final outcome. He remains dedicated to helping each client achieve the best possible result while working to restore stability and dignity to their lives. His long history of proven results and the many testimonials from those he has helped stand as a testament to his unwavering commitment to justice and to the people he serves.
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:
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:
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.
