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314.552.6890
  • Education
    • J.D., cum laude, Washington University-St. Louis School of Law, 2017, Chief Project Editor of Washington University Journal of Law and Policy; Dean's List
    • B.A., cum laude, Tulane University, 2013, Economics, Political Science, International Development, Latin American Studies

Sean is an Associate at Polsinelli PC, where his practice focuses on the intersection of litigation and transactional matters involving tech and the environment. On the litigation side, Sean assists clients through all stages of business disputes and methods of dispute resolution, including litigation, mediation, and arbitration. Sean has defended industry clients in state and federal courts on matters relating to land use rights, chemical exposure, and IP-related disputes, among others.

On the transactional side, Sean assists industry clients in working with regulatory agencies to minimize risk on the front-end of corporate transactions, real estate deals, licensing, and infrastructure projects. His work with regulatory agencies includes avoidance and minimization of environmental and safety enforcement actions and creatively resolving disputes between clients and regulatory agencies, primarily concerning the Clean Air Act, Clean Water Act, TSCA, RCRA, CERCLA, FIFRA, OSHA, and the Endangered Species and Migratory Bird Treaty Acts.

Before joining Polsinelli, Sean graduated cum laude from Washington University in St. Louis School of Law. He received the Dean’s Leadership Award for his work in promoting gender diversity on campus. He was a board member of the university’s Sexual Assault Investigation Board and was on the Honor Board for the law school. Sean also assisted low-income taxpayers and environmental protection groups as a part of Washington University’s clinic programs.

Currently representing fitness equipment manufacturer in patent litigation concerning bicycle training equipment in the Unites States District Court for the Northern District of Georgia.

Currently representing wind farm developers in various state court actions relating to  land use, development and permitting of wind and solar energy facilities across the country.

Currently serving on litigation team for defendant client in In Re: Generic Pharmaceuticals Pricing Antitrust Litigation, Civil Action No. 16-MD-2724, pending in the U.S. District Court for the Eastern District of Pennsylvania.

Routinely serve as environmental and permitting counsel for development of renewable energy projects across the nation. Conducted permitting, compliance and environmental due diligence review of renewable energy projects, including wind, solar and biofuel. Clients include national investors and developers of renewable energy projects.

Advised Fortune 100 corporations on TSCA, OSHA, RCRA, FIFRA, Clean Water, and Clean Air laws.

Guided well-known chemical company facing OSHA inspection of its business.

Helped international chemical manufacturer navigate the transportation of its products by air, rail, water, and truck.

Handled environmental and health and safety due diligence for corporate mergers and acquisitions.

Defended a Fortune 100 Company in a multi-party cost recovery claim for a vapor intrusion remedy allegedly necessitated by disposal of hazardous substances at a landfill in Dayton, Ohio.

Defended a Fortune 200 in a 300-plus plaintiff action alleging property damage and emotional distress from mercury released at a mercury cell chloralkali plant. The case settled favorably after plaintiffs’ experts were excluded.