About Martin R. Siegel

Attorney Siegel leads the firm’s Environment, Energy and Environmental Mediation Group in providing counsel to the firm’s local, regional and national clients.

Attorney Siegel brings 22 years of litigation and environmental law experience at the Pennsylvania Department of Environmental Protection. He was responsible for advising numerous programs, including those that implemented environmental cleanups, sewage planning, water permitting and enforcement, radiation protection, and solid waste. Attorney Siegel has extensive litigation experience before the Environmental Hearing Board (over 250 appeals) and state and federal courts, including complex litigation of solid waste, clean water, environmental remediation, and sewage planning cases.  He has spearheaded numerous complex litigation actions, including:


  • Superfund and HSCA litigation related to an abandoned solvent recycling facility that resulted in a private cleanup valued at approximately $30 million and over $4 million in cost recovery for the Commonwealth;
  • Litigation against Conrail related to the illegal disposal of hazardous waste, that resulted in a site remediation and over $2 million in civil and criminal penalties;
  • Litigation against the owner of over 100 mobile home parks in Pennsylvania that resulted in the bringing these facilities into compliance with the Clean Streams Law, the implementation of environmental management systems at all facilities, and an approximate $1.4 million civil penalty.

Attorney Siegel is also a trained mediator, having participated in the Office of General Counsel’s Mediation Program.

Since joining Stock and Leader in 2015, Attorney Siegel has also handled matters related to environmental issues impacting agriculture (including composting and the use of food processing waste), pipelines, safe drinking water, and environmental laboratories.  Attorney Siegel is also a frequent speaker and writer on a variety on environmental issues. For example, he is the co-author of the chapter on Pennsylvania’s Land Recycling and Environmental Remediation Standards Act (Act 2) in Pennsylvania Environmental Law & Practice, 9th Edition

Attorney Siegel also worked for the U.S. Centers for Disease Control and Prevention (CDC) and the Agency for Toxic Substances and Disease Registry (ATSDR) in Atlanta, and the Department of Energy’s Pacific Northwest Laboratory at the Hanford nuclear site in Washington State. In addition, Attorney Siegel served as a law clerk for the Commonwealth Court.

Practice Areas