Panelist - William O'Brien
Counsel, Environmental Law Group Department

William J. O'Brien is counsel in the Environmental Law Group and a member of the firm's Climate Change Working Group. Mr. O'Brien has advised various private investment funds on the environmental aspects of investments in private and public companies and the acquisition of portfolio companies, including conventional and alternative energy companies. He has also advised on numerous financings and securities offerings. He has written and lectured on various aspects of environmental law, including environmental disclosure requirements in securities offerings, parent corporation liability for environmental obligations and environmental law aspects of real property transfers. Mr. O'Brien received his J.D. from the University of Pennsylvania Law School in 1986 and received his B.A. from Williams College in 1981.