Steven T. Senior

Steven T. Senior


Practice Areas

Steven T. Senior


Steven T. Senior is a Partner and Co-Chair of the Firm’s Environmental Group.

He has developed extensive expertise in complex regulatory and transactional matters, including brownfields redevelopment, site remediation and ISRA, permitting and counseling, due diligence, and enforcement defense. His practice serves a wide array of industries and businesses, including brownfields redevelopers, the energy, manufacturing and pharmaceutical sectors and environmental consulting and engineering firms.

Steve has been a leading attorney involved in the development of the Licensed Site Remediation Professional (LSRP) program and the New Jersey Site Remediation Reform Act. He participated in the New Jersey Department of Environmental Protection’s Legislative Reform Stakeholder Process for the Site Remediation Program.

Steve has published and given presentations on various environmental topics, including brownfields, site remediation, natural resource damages, cost recovery issues and Superfund, and environmental compliance.

Prior to joining Riker Danzig, Steve was an environmental consultant with ICF Kaiser Engineers, Inc., where he conducted site assessments and audits, policy analysis, and community outreach for public and private sector clients.

Steve is a former Chair of the Environmental Law Section of the New Jersey State Bar Association, Co-Chairperson of the Technical Regulations Advisory Coalition (TRAC) and co-founder of the Justice Stewart G. Pollock Environmental American Inn of Court.

In addition to his J.D., Steve has an LL.M. from New York University. He is a former member of the New York Law School Journal of Human Rights.

Areas of Emphasis

Brownfields Cleanup and Redevelopment


Permitting and Compliance

Enforcement Defense

Cost Recovery


Bar Admissions

New Jersey

U.S. District Court, District of New Jersey

New York


New York University School of Law, LL.M., 1995

New York Law School, J.D., cum laude, 1994

Rutgers University, B.A., 1988

Professional Activities

Immediate Past Chair, Environmental Law Section, New Jersey State Bar Association

Co-Chair, Technical Regulations Advisory Coalition

Founding Member, Justice Stewart G. Pollock Environmental American Inn of Court

Former Board Member, New Jersey Licensed Site Remediation Professionals Association

Rankings & Recognitions

Chambers USA: America’s Leading Lawyers for Business has included Steve in its Client’s Guide for Environmental Law attorneys in New Jersey since 2009. Included in Band One, Chambers notes that Steve “has experience advising large corporations on site remediation, redevelopment issues and environmental regulatory compliance.” Clients note that Steve is “a very smart guy, very good on regulatory issues, and he is the one that if I had a complex regulatory matter, I wouldn’t hesitate to go to.” He “stands out for his ‘technical dexterity’ and high-quality input” on environmental law matters and is singled out as a “very personable attorney who knows what he’s talking about.” Clients also say that he “is great at focusing on the essential issues, and a very good detail man.”

Steve received the Best Lawyers in America® “Lawyer of the Year” award in the area of Environmental Litigation in the Newark region for 2023, an honor given to a single attorney in a particular practice area in each region, annually. In 2014 and again in 2019, Steve was named Environmental Law “Lawyer of the Year” for Newark. In addition, Steve has also been included in The Best Lawyers in America in the fields of Environmental Law and Environmental Litigation since 2012.

Thomson Reuters has included him on New Jersey’s “Super Lawyers” list for Environmental Law since 2008.

See Awards and Honors Methodology.

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