Beveridge & Diamond, P.C. > Washington DC, United States > Firm Profile
Beveridge & Diamond, P.C. Offices

Beveridge & Diamond, P.C.
1900 N Street, NW
Suite 100
Washington, DC 20036
United States
1900 N Street, NW
Suite 100
Washington, DC 20036
United States
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Beveridge & Diamond, P.C. > The Legal 500 Rankings
Environment > Environment: regulatory Tier 1
Domestic and multinational clients regularly turn to boutique firm Beveridge & Diamond, P.C. for expertise across contamination, circular economy, ESG, environmental justice, plastic waste, sustainability, and PFAS liability issues. The team is co-chaired by Washington DC-based Paul Hagen, who remains the first port of call for market access, global supply chain, and product stewardship matters, and Allyn Stern, who offers deep industry experience and key advice to businesses on environmental compliance strategies and government regulations from the Seattle office. Elsewhere in the DC office, John Cruden advises on environmental and natural resources compliance, while Russell LaMotte assists multinational clients in developing product compliance and market-access strategies. The Seattle office is home to Eric Christensen, a key name for renewable and traditional energy companies on regulatory matters, and Dave Weber, who is active in environmental compliance counseling across air and water quality regulation, hazardous waste handling, and contaminated site cleanups. Leading the International Environmental Practice Group from the Austin office, Maddie Boyer handles environmental regulatory counseling and enforcement matters. Karen Hansen left the team in 2024, while the team expanded with several new hires including Patrick Redmond, who joined in April 2024 from the US Department of Agriculture.Practice head(s):
Paul Hagen; Allyn Stern
Other key lawyers:
John Cruden; Russell LaMotte; Eric Christensen; Dave Weber; Maddie Boyer; Patrick Redmond; Brook Detterman
Key clients
BASF Corporation
BNSF Railway Company
Chevron Phillips Chemical Company
Clarios
Mountain Valley Pipeline
Shell USA
Textron
United Airlines
Walmart
Westlake Corporation
Work highlights
- Serves as lead regulatory counsel for the Mountain Valley Pipeline project on Endangered Species Act and other federal environmental issues issues.
- Serves as outside counsel to United Airlines with respect to its compliance with federal and state environmental issues nationwide.
Environment > Environment: litigation Tier 2
Beveridge & Diamond, P.C., a specialist environmental law firm, handles significant U.S. environmental cases, with a distinguished team – including former DOJ, EPA, and state agency professionals. The firm has a strong record on critical issues like climate change, PFAS, and sustainability. Recent hires, including Louis Manzo – from the U.S Department of Justice, Taylor Ferrell – from the US Department of Defense, and Amber Ahmed – from the Texas Office of the Attorney General, enhance the firm’s national litigation strength. John Cruden, a former Assistant Attorney General for the DOJ’s Environmental Division, leads high-profile cases as co-chair of the litigation group. Maddie Boyer, a founder of the firm’s Austin office and Latin American group, brings deep experience advising multinational clients on environmental matters, specializing in air permitting and litigation for the chemical and petroleum sectors. Daniel Krainin is a seasoned environmental litigator specializing in toxic tort and product liability cases. Also key are Parker Moore and Katrina Krebs, who advise on NEPA and Wetlands regulation – as well as many other areas.Practice head(s):
John Cruden; Dan Krainin; Maddie Boyer
Other key lawyers:
Key clients
American Petroleum Institute
BASF Corporation
Bayer Cropscience
City of Los Angeles
City of San Francisco
Mountain Valley Pipeline
Textron
United Airlines
Walmart
Waste Connections
Work highlights
- Representing Waste Connections, Inc., and certain subsidiaries in four putative class action lawsuits and 11 mass tort actions filed on behalf of 800 individual plaintiffs.
- Representing Clarios, the world’s largest producer of lead-acid batteries for automobiles in federal CERCLA litigation at the most high-profile environmental justice site in California.
- Environment > Environment: regulatory
Top Tier Firm Rankings
- Environment > Environment: litigation