Sean is counsel in the strategic risk and crisis management practice based in Washington, DC. Sean’s practice is cross-disciplinary, focusing on both high-stakes investigations in Congress and before federal agencies, as well as regulatory strategy and controversies in complex, highly regulated industries. He also consults on product design, compliance, and commercial matters, especially related to internet platform services, content moderation, machine learning artificial intelligence, and big data.

Prior to joining Freshfields, Sean was investigative counsel for the US House of Representatives. In that role, he conducted dozens of depositions of key witnesses, including members of Congress, and led inquiries as lead attorney investigating criminal allegations including corruption and fraud, conflicts of interest, campaign finance issues, and ethics violations under House rules.

Earlier in his career, Sean was an associate at Williams & Connolly LLP, where he specialized in complex litigation and white-collar defense. He is now also an adjunct Professor at the Georgetown University Law Center teaching a seminar on ethics, professional responsibility, and career development.