“Clean Water Act: New Developments in the Trump Administration and Courts,” 23rd Annual Conference on Western Water Law, CLE International, Las Vegas, Nevada, February 8-9, 2018
“The Clean Water Act and the Scope of Federal Power,” University of Denver Water Law Review Tenth Annual Symposium, Denver, Colorado, April 7, 2017
“Update on New Critical Habitat Rules for Both Designation and Adverse Modification,” Endangered Species in California, Law Seminars International, Long Beach, California, June 2-3, 2016
“You Mean Just Having a Water Right Isn’t Good Enough? How the ESA, Streambed Alteration Agreements, and the Clean Water Act are Curtailing the Exercise of Water Rights,” ACWA 2015 Fall Conference, Association of California Water Agencies, Indian Wells, California, December 1-4, 2015
“Conservation Easements – The Primer,” State Bar of California, Real Property Law Section Retreat, Lake Tahoe, California (May 4, 2012)
“Project Permitting: Clean Water Act, Clean Air Act, and Endangered Species Act,” Tribal Energy and the California Market Conference, Law Seminars International, Cabazon, California (June 23, 2008)
“Environmental Assessment or Environmental Impact Statement?” CLE International Third Annual NEPA Conference, San Francisco, California (Mar. 2007)
“NEPA in a Nutshell,” CLE International 13th Annual California Wetlands Conference, Sacramento, California ( Jan. 2007)
“Wetlands and Endangered Species Regulation in California,” Lorman Education Services, Seminar on Zoning and Land Use in California, Redding, California (Apr. 2006)
“Federal and State Regulatory Hurdles: Water Quality, Wildlife, and Air Quality,” Lorman Education Services, Seminar on Zoning and Land Use in California, San Francisco, California (June 2004)
“Wetlands Regulation: Recent Developments,” State Bar of California, Environmental Law Section, Hot Environmental Legal Issues on the California Central Coast, Santa Barbara, California (July 2002)
“Wetlands and Wildlife Regulation: Recent Developments,” Lorman Education Services, California Zoning and Land Use Seminar, San Francisco, California (Oct. 2001)
Panelist, “Environmental Concerns in Real Estate Transactions,” online seminar, law.com (Jan-Feb. 2001)
“The Year in Review: 1999-2000 Developments in Wetlands Law,” CLE International California Wetlands Conference, San Francisco, California (Sept. 2000)
“1999 Fall Wetlands and Endangered Species Workshop,” Association of Environmental Professionals, Oakland, California (Sept. 1999)
“Update on Federal and State Endangered Species Legislation,” Conference on Recent Water Law and Policy, Water Education Foundation, San Francisco, California (July 1997)
“California Environmental Quality Act and Environmental Planning,” Course on Private Development, Business Management and Urban Planning, San Jose State University, San Jose, California (Apr. 1997)
“Federal and State Endangered Species Programs at the Crossroads,” State Bar of California, Environmental Law Section, Fifth Annual Environmental Law Institute at Yosemite, Yosemite National Park, California (Oct. 1996)
“Wetlands Update: Vernal Pools, Mitigation Banking and Other Concerns,” Conference on California Land Use Law, CLE International, Sacramento, California (June 1996)
“Getting Water Projects Through the 404 Process,” Conference on Recent Water Law and Policy, Water Education Foundation, San Francisco, California (July 1995)
“Impact of the Endangered Species Act and Wetland Regulation: The Takings Question of the ‘90s?” Conference on Regulatory Takings: Government Regulation vs. Private Property Rights, CLE International, San Francisco, California (Mar. 1995)
“Ecosystem Management and Property Rights,” 1995 Annual Conference, California Licensed Foresters Association, Sacramento, California (Mar. 1995)
“Endangered Species: What’s New,” 20th Annual Edison Electric Institute Biologists’ Task Force Workshop, Monterey, California (Sept. 1994)
“The New Federal and State Wetlands Mitigation Banking Policies,” Wetland Mitigation Banking in California: A Statewide Conference, University of California, Davis Extension, Davis, California (July 1994)
“Wetland Policy: Federal and State Reforms,” 23rd Annual Conference on Environmental Law, American Bar Association Section on Natural Resources, Energy and Environmental Law, Keystone, Colorado (Mar. 1994)
“Balancing Development with Environmental Concerns: How to Procure Project Permits,” Conference on California Land Use Law, CLE International, San Francisco, California (Nov. 1992)
“Perspectives on Policies for Regional Growth Management,” Midyear Real Estate Forecast Conference, Center for Real Estate and Urban Economics, University of California, and California Building Industry Association, San Francisco, California (Apr. 1991)
Chair, “Seminar on Wetlands and Real Estate Development,” Urban Land Institute, Orlando, Florida (Nov. 1990)
“Wetlands Regulation,” Seminar on Realistic Real Estate: Proposition 65 and Other Emerging Trends and Issues, California Building Industry Foundation, Los Angeles, California (Jan. 1989)
“Wetlands, Vernal Pools, and Endangered Species,” Building Industry Association of Northern California, Santa Rosa, California (Dec. 1988)