Our Firm

Meet Our Attorneys

Marshall Bleefeld, Lance Rosen, Dan Moss, Kellyanne Parry Inverso, Marc Snyder

  • Dan Moss
  • Marshall Bleetfeld
  • Marc Snyder
  • Kellyanne Parry

Lance Rosen


His practice areas include civil litigation, workers compensation, personal injury, social security, long term disability and legal malpractice.

Lance Rosen 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 and Western 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. Mr. Rosen is a member of the Philadelphia Trial Lawyers Association and the Pennsylvania Trial Lawyers Association

Dan Moss


Daniel Moss, Esq. - Senior Managing Partner & Co-Founder of the Firm

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 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 2001 Outstanding Volunteer Attorney Award from CBAP, working for free with disabled individuals. In 2002, Mr. Moss was 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 is 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.

Marshall Bleefeld


Marshall Bleefeld is a partner with the law firm of Rosen, Moss, Snyder & Bleefeld, LLP where he concentrates his practice in the areas of significant personal injury and civil litigation.

Since 1998, Mr. Bleefeld has represented hundreds of individual clients and businesses in Pennsylvania and New Jersey, successfully litigating cases involving Motor Vehicle Liability, Premises Liability, Product Liability, Civil Rights, Municipal Liability, Wrongful Death, Short and Long Term Disability and Breach of Contract.

Mr. Bleefeld is admitted to practice law in Pennsylvania and New Jersey. He has also been admitted to practice before the United States District Courts for the Eastern and Middle Districts of Pennsylvania and the United States District Court of New Jersey.

Mr. Bleefeld is a zealous advocate for each of his clients and presents claims by individuals injured due to the wrongful conduct of others securing significant monetary compensation, as well as, disability benefits wrongfully withheld or terminated by insurance companies. Mr. Bleefeld also represents businesses for a variety of services, including contract interpretation and breach of contract. Mr. Bleefeld takes pride in litigating every case, from initial intake through trial and appeal, with the passion clients appreciate and have come to expect.

Marshall Bleefeld graduated from the University of Cincinnati in 1994 with a Bachelor of Arts degree in Political Science. Mr. Bleefeld earned his Juris Doctorate degree from the University of Akron in 1997.

Mr. Bleefeld is an active member of the community as a volunteer for the Whitpain Recreation Association (WRA). Founded in 1963, WRA is a non-profit organization providing athletic competition for over 3,000 children participating in baseball, basketball, field hockey, softball and soccer. Having served on the WRA Board of Directors since 2005, Mr. Bleefeld has been the President since 2014. Prior to assuming his position as President, Mr. Bleefeld served as Secretary and has been active as a league commissioner and coach.

Mr. Bleefeld is an active member of the Pennsylvania Bar Association, Montgomery Bar Association, Pennsylvania Association for Justice and the Philadelphia Trial Lawyers Association.

Marc Snyder


Marc Snyder is a partner with the law firm of Rosen, Moss, Snyder & Bleefeld, LLP, and manages the firm’s disability practice. Mr. Snyder works together with an experienced staff dedicated and focused on assisting disabled clients through all stages of the disability claims practices. Prior to entering the field of disability law, Mr. Snyder received a BS degree from the Pennsylvania State University in 1983, in Quantitative Business Analysis and worked for over 10 years, in actuarial management for a prominent life/health insurance company. Mr. Snyder received his J.D. from the Widener University School of Law in 1997.

Mr. Snyder is licensed to practice law in Delaware, Pennsylvania, and New Jersey. He is also admitted to practice before the United States Court for the District of Delaware, the United States District Courts for the Eastern District, Middle District and Western District of Pennsylvania, the United States Court for the District of New Jersey, and the Third Circuit Court of Appeals.


Mr. Snyder is an experienced, passionate and skilled ERISA and private disability litigator. Mr. Snyder has been practicing law since 1998. 100% of Mr. Snyder’s practice is dedicated to representing his clients through all stages of a disability claim; including applications, denials, appeals, lawsuits, and settlement buy-out negotiations. Mr. Snyder has successfully litigated several hundred disability claims both in and out of the courtroom against every major insurance company in the country; including Cigna, MetLife, Prudential, Unum, The Hartford, Liberty Mutual, Mass Mutual, Equitable, Mutual of Omaha, CNA, Guardian, Principal, Jefferson Pilot, Lincoln Financial, Sun Life, The Standard, Aetna, and Reliance Standard.


Though Mr. Snyder has successfully recovered several million dollars in disability income on behalf of his clients, he takes great pride in being able to say that he vigorously fights equally for all his clients, irrespective of the value of the claim. Mr. Snyder understands that disability clients are often in a perilous financial situation. For this reason, he handles disability claims on a contingent fee basis so he willingly will share in the risk of fighting against an insurance company alongside his client.


With a proven track record, Mr. Snyder has earned a reputation of being a dedicated, aggressive and skilled disability lawyer. He thrives on handling the most difficult cases which other attorneys may reject as either being too cumbersome, risky or complex. He will handle each case from the application stage all the way to an appellate circuit decision. He knows and understands how important each case is to his clients, and his clients quickly realize his passionate personal attention.


Mr. Snyder has been frequently asked to lecture on a variety of ERISA disability issues. He recently lectured at the 10th Annual Northeast Regional Employment Law Institute. Mr. Snyder has also authored chapters on ERISA litigation in books published by The Pennsylvania Bar Institute entitled “Employment Law in Pennsylvania.” (2012, 2014, and 2016).

Kellyanne Parry Inverso


Kellyanne Parry

Kellyanne Parry concentrates her practice in the areas of supplemental social security disability and supplemental security income.  Kellyanne also handles group long term and short term disability (ERISA) and private short and long term disability.

Kellyanne is admitted to practice in Pennsylvania and Massachusetts. For four years prior to joining Rosen, Moss, Snyder & Bleefeld, L.L.P., she represented clients seeking SSI and SSDI benefits at hearings before the Social Security Administration in Pennsylvania, Delaware, New Jersey, New York and Maryland.

Kellyanne graduated from the College of Arts and Sciences Honors Program at Boston College in 2007 with a Bachelor of Arts degree in History.  She received her Juris Doctorate in 2011 from Boston University School of Law, where she was awarded the Honorable Albert P. Pettoruto Memorial Award for excellence.

What clients have to say.

Who We Are

Our experienced team at Rosen, Moss, Snyder and Bleefeld is dedicated to providing personal attention to each individual and anticipating the needs of existing clients and potential clients.

We provide high quality legal services in a wide range of areas such as long and short term disability, worker's compensation claims, personal injury matters, social security disability, professional malpractice, wrongful death, and domestic relations.

No matter what type of case you have, we are committed to helping you achieve the best result.

Over the years, we have successfully and expeditiously recovered compensation for thousands of individuals involving numerous types of cases. Also, we have worked hard to protect and defend people who have been victims of injustice.

Further, we take great pride in giving back to the community. Both individually and collectively at Rosen, Moss, Snyder & Bleefeld, we volunteer our time and have made donations to a number of charitable organizations and community groups.

Back row, left to right:
Lance S. Rosen, Marshall D. Bleefeld, Heather Moss, Daniel L. Moss, Kellyanne Parry Inverso, Faye Leuzzi, Marc H. Snyder

Front row, left to right:
Brooke Rose, Jennifer Uber, Staci Cooperstein, Vicky Eugene