Sean M. Sullivan


Business Phone: 919.835.4173
Business Fax: 919.829.8748


Sean Sullivan is a partner in the firm's environmental practice. His practice focuses on compliance counseling and enforcement defense regarding all of the major federal environmental statutes, as well as the preparation of comments on federal and state rulemakings, brownfields redevelopment, and environmental support for the firm’s corporate and real estate practices.

He regularly advises manufacturers and electric utilities regarding air permitting and compliance questions, NPDES and wetlands permitting, hazardous waste management, the regulation of pesticides, Tier II Reporting and Toxic Release Inventory Reporting.

Sean has also assisted developers to negotiate a number of Brownfields Agreements with the North Carolina Brownfields Program.

Representative Matters

  • Coordinating nationwide compliance audits for several international manufacturing companies.
  • Negotiating an audit and disclosure agreement with the North Carolina Department of Environment and Natural Resources.
  • Resolving the applicability of Toxic Release Inventory reporting to coal ash beneficiation facilities.
  • Preparing comments on EPA’s proposed SIP Call regarding Startup, Shutdown and Malfunction defenses.
  • Facilitating the closure of a RCRA-regulated wood treatment facility and negotiation of a Brownfields Agreement for a subsequent owner of the site.
  • Defending enforcement actions brought by the EPA regarding advertisements and product labels describing the antimicrobial properties of a product.

Presentations and Speaking Engagements


Professional and Community Involvement

  • North Carolina Bar Association, Section on Environment, Energy and Natural Resources – Section Treasurer, Programs Committee Chair, Section Newsletter Editor
  • American Bar Association, Natural Resources and Environment Section
  • Member, Carolinas Air Pollution Control Association

Rankings and Recognition

  • North Carolina, Environment, Chambers USA (2014-2018).
  • Recognized by Chambers USA as an "Up & Coming" attorney in Environmental Law (2012 & 2011)
  • Recognized by Business North Carolina magazine's "Legal Elite," for Environmental Law, (2011-2013, 2015)
  • Selected as a Rising Star in Environmental Law in the 2012-2015 editions of North Carolina Super Lawyers, published by Law & Politics and Charlotte Magazine.

Professional Experience

  • Partner, Troutman Sanders LLP, 2013-present
  • Shareholder, Williams Mullen



  • American University, J.D., cum laude, 2001
    Recent Developments Editor, Administrative Law Review
  • University of Miami, B.S., with honors, 1998

Bar Admissions

  • District of Columbia
  • Florida
  • North Carolina
  • Virginia

Court Admissions

  • Supreme Court of the United States
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the District of Columbia