Carbon Roots International Inc.

Carbon Roots International is a leading sustainable charcoal organization.

it's tight.

this is how we do it.


Hannah working with La Coupe farmers on demo plot
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Michael Sesko

Michael is a Manager of Corporate Strategy at The Climate Corporation, a company that aims to protect and improve farmers operations through the application of data science. Prior to joining The Climate Corporation, Michael led Environmental Strategy at Woolf Farming & Processing, a diversified and integrated grower/processor in the Central Valley of California. Previously, Michael co-founded Encendia Biochar, a company that developed carbon-based soil amendments for the horticulture market. He began his career in equity research covering the Food sector for Prudential Equity Group and JPMorgan. Michael has a B.A. in Economics from Colby College, an M.B.A. from the Yale School of Management and a Masters in Environmental Management (M.E.M.) from the Yale School of Forestry & Environmental Studies.

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Nan Krafft

Nan is Head of Product Supervision at Crisis Text Line. As a health care ecosystem specialist I offer a unique and valuable perspective to individuals, non-profit organizations and companies working on health care issues, products and investments. I hold a MS in Health Policy and a BA in Public Health and Health Economics. I am also a clinical care provider with experience working as a Registered Nurse (RN) and Remote Medical Provider (RMAP) in the United States (UCSF & UWMC), West Africa and in Haiti. Through my work I aim to better shape health promoting environments and technologies, and to ameliorate the economic, ethical and social impacts of heath disparity

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Nick Cain

Nick is a Program Manager at, where he helps Google support innovative non-profits that are using technology to address social problems at scale. Before joining Google, Nick spent time at FundWell, a startup that matches small businesses to financing, and he was the first employee at Vittana, a non-profit that pioneered the development of a student loan product for the microfinance market. Nick's work at Vittana took him to 11 countries in Latin America and Africa. Nick has an MBA with honors from the Berkeley-Haas School of Business, where he was Co-Chair of the Global Social Venture Competition, and he graduated with a BA in American Studies from Columbia University.

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Hannah Erickson

Hannah is a Development Officer at Silicon Valley Community Foundation where she supports new donors to further their philanthropic interests with a focus on corporate relationships and consulting services. Prior to joining SVCF, Hannah served as the founder and principal at Adaptive Philanthropy, a strategy consultancy that supported donors, foundations and aid groups. She also previously served as the program manager for Imagine H2O, as an analyst at both the American Carbon Registry and the World Wildlife Fund. Hannah holds a master's degree from the University of Michigan School of Natural Resources and Environment, where she was awarded the Glancy Climate Innovation Prize, and a bachelor's from Whittier College. 

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Colin Tetreault

Colin is the Principal and Founder at S-2 Consulting, as well as a faculty member at the School of Sustainability at Arizona State University. Colin formerly served as the Senior Policy Advisor of Sustainability to Mayor Stanton of Phoenix, Arizona, where he oversaw the development  of policy germane to sustainability over the 520 mile, 1.5 million person population of the City of Phoenix. Colin is charged with enabling organizational structure, culture, and operations to be more profitable and sustainability minded through business acumen and scientific rigor. His efforts impact all levels of systems from employees and managers to suppliers and customers. 

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Mike Cahill

Mike Cahill is Director of Operations at CAST Centers.  Previously, Mike was General Counsel and Director of Business Development for, an IoT based technology company in Los Angeles, California. Mike is an attorney licensed to practice law in California State and Federal courts. Prior to his current role at, Mike was an associate attorney with Michelman & Robinson LLP., and Jones, Bell, Abbott, Fleming & Fitgerald, LLP. Mike has represented large financial institutions, hospitals, and businesses across Southern California in a wide range of litigation and corporate transactions. Mike has a B.A. in Politics from Occidental College, and a J.D. from the Pepperdine University School of Law.