Professor Danielsen is an experienced lawyer and scholar with dual interests in legal academia and the world of legal practice. He teaches International Business Regulation; International Law; Corporations; Conflict of Laws; and Law and Economic Development. Professor Danielsen's current research focuses on the role of corporate actors in transnational regulation and governance. His work seeks to identify regulatory strategies at various local, national, transnational and institutional levels to shape and harness corporate power to improve social welfare and increase economic development around the globe.

Prior to joining the faculty, Professor Danielsen was executive vice president and general counsel of Europe Online Networks S.A., a pioneer in the provision of broadband Internet and interactive multimedia services to consumers across Europe. Previously, Professor Danielsen was a partner at Foley, Hoag & Eliot in Boston, where his practice focused on the representation of US and European public and privately held business with respect to corporate finance, mergers and acquisitions, strategic partnerships and joint ventures, content and technology licensing and corporate strategy.

Throughout his time in legal practice, Professor Danielsen regularly taught as an adjunct professor at the School of Law, where, in addition to his current course offerings, he taught Torts and Modern Legal Theory. He also taught a course titled Law, Sex and Identity for two years at Harvard Law School. Professor Danielsen is the coauthor of After Identity: A Reader in Law and Culture (Routledge Press, 1994) and has written a number of law review articles.