Bar Admissions

  • California

Court Admissions

  • U.S. Court of Appeals for the Ninth Circuit


  • J.D., University of California, Hastings College of the Law, 1999
  • B.A., Princeton University, 1994


  • California Manufacturers and Technology Association, Climate Change Advisory Committee

    Energy Bar Association

    Environmental Law Institute

    American Bar Association, Environment, Energy and Resources Section

T +1 415.343.4490
F +1 415.653.3755

William M. Sloan


Bill Sloan is a partner in Venable's Environmental practice, where he represents domestic and international clients on regulatory and litigation issues related to development, water resources, air quality, climate change, energy, and endangered species. He advises clients on permitting, compliance strategies, risk management, and project defense. With regard to climate change, he has counseled clients on carbon trading and monetizing the environmental benefits of new technologies and processes. He is experienced with water rights, water supply assessments, groundwater basin adjudications, and water quality compliance.

Bill has significant experience handling matters before regulatory agencies and in state, federal, and international courts. He has successfully litigated cases for the public and private sector that have been resolved in the California and United States Supreme Courts. Throughout his career, he also has extensive compliance, permitting, and litigation experience involving the Clean Air Act, the Clean Water Act, the Endangered Species Act, the California Environmental Quality Act, and other environmental statutes.

Prior to joining Venable, Bill worked at an international law firm, where he chaired the carbon team of the firm's environmental practice. Before entering private practice, he served in externships with the U.S. Department of Justice, the U.S. Environmental Protection Agency, and the California Attorney General's Office.