Water Strategy & Technology Innovation Leader; Practice Lead for Water & Nature at Earth Finance; Founder of Water Foundry

Denver, CO, USA
Live Event: $10,000 - $20,000 Virtual Event: $5,000 - $10,000 More Fee Info

William Sarni Biography

William Sarni is a leader in water strategy, technology innovation, and investment, focusing on transforming how corporations, governments, and investors manage water resources. Sarni serves as the practice lead for water and nature at Earth Finance, a climate strategy and financing firm that acquired Water Foundry, the global water strategy consultancy he founded. Water Foundry has supported corporations and investors in addressing water-related risks and opportunities. Sarni advises multinational corporations, technology companies, investors, non-governmental organizations, and water technology hubs, accelerators, and prize competition programs.

Sarni's career includes advisory roles across public and private sectors. Before founding Water Foundry, he was a managing director at Deloitte Consulting, where he established and led the water strategy practice. Prior to Deloitte, he founded and led DOMANI, a sustainability strategy firm. Sarni has worked with multinational companies on evaluating water technologies, market entry strategies, and mergers and acquisitions. He is also the founder and general partner of Water Foundry Ventures, a water technology venture fund focused on water scarcity, quality, and equitable access.

Sarni is the author of several books, including "Corporate Water Strategies," "Water Tech – A Guide to Investment, Innovation and Business Opportunities in the Water Sector," "Beyond the Energy – Water – Food Nexus: New Strategies for 21st Century Growth," "Water Stewardship and Business Value: Creating Abundance from Scarcity," "Creating 21st Century Abundance through Public Policy Innovation: Moving Beyond Business as Usual," and "Digital Water: New Technologies for a More Resilient, Secure and Equitable Water Future." He is a columnist on sustainability and water strategies for GreenBiz and has published articles on water technology innovation, agriculture and the Internet of Things, and the energy-water-food nexus.

Sarni has contributed to initiatives such as the X-PRIZE Safe Drinking Water Team, the Scientific Program Committee for Stockholm World Water Week, the Executive Council of NOAA's National Integrated Drought Information System, the Editorial Board of the Journal of Water Security, and the Climate Bonds Initiative: Nature-Based Solutions for Climate and Water Resilience. He has been recognized by Worth Magazine and Smart Water Magazine for his influence in water strategy. Sarni is also a co-founder of WetDATA and host of the podcast "The Stream with Will and Tom."

Sarni's work bridges science, policy, and business, providing expertise in corporate water and nature strategy, technology innovation, and sustainable investing. He is recognized for advancing water stewardship strategies that create business value and address global water challenges.

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Speaker profile last updated by AAE Talent Team on 10/12/2026.

William Sarni Videos

Will Sarni, Director and Practice Leader, Enterprise Water Strategy ...

Will Sarni, Director and Practice Leader, Enterprise Water Strategy ...

William Sarni , Director and ​practice leader,​ water strategy,​ Social Impact ​ Services, ​Deloitte ​Consulting LLP.​ Will ​leads...

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William Sarni is a keynote speaker and industry expert who speaks on a wide range of topics. The estimated speaking fee range to book William Sarni for your event is $10,000 - $20,000. William Sarni generally travels from Denver, CO, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances. Similar motivational celebrity speakers are Mark Kramer, Carl Pope, Joel Swisher, PhD, Patrick Lencioni and Peter Gleick. Contact All American Speakers for ratings, reviews, videos and information on scheduling William Sarni for an upcoming live or virtual event.

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