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US Biochar Coalition

Welcome to the US Biochar Coalition

Welcome to the US Biochar CoalitionWelcome to the US Biochar CoalitionWelcome to the US Biochar Coalition

About Us

U.S. Biochar Coalition Leadership Team

The U.S. Biochar Coalition is led by industry icons, subject matter experts, and a policy team uniquely skilled to advocate for biochar before Congress and Federal agencies. 


Beyond our daily work supporting the growth of the biochar industry, we have extensive experience leading industry trade associations including: 


  • American Biomass Energy Association
  • Baseload Power Coalition
  • Renewable Fuel Standard Coalition
  • American Biogas Council
  • Partnership for Electric Pathways
  • European Biochar Consortium Initiative
  • German Carbon Dioxide Removal Association, 
  • Climate Alliance for Jobs & Clean Energy 
  • U.S. Composting Council 
  • Circular Economy Coalition


Policy Expertise

Coalition policy work is led by the dynamic team who built the American Biogas Council’s Policy program from the ground up in 2011, taking the organization from 20 companies with no federal recognition or incentives, to more than 400 companies and hundreds of millions of dollars in federal incentives, to create $68 Billion worth of economic value in 12 years. 


We could not be more thrilled to provide their guidance and industry building expertise to the biochar industry.

Association Management

SMART Policy Group manages the USBC's Association functions.  SPG has decades of experience guiding trade associations through all phases of growth, responsibly.

Board of Directors

Mayo Ryan, AFM

Mayo Ryan, AFM

Mayo Ryan, AFM

Mayo Ryan, AFM, is Co-Founder & CEO of Sitos Group, and USBC Chair.


Mayo is a regenerative agriculture, biochar & CDR expert & entrepreneur who brings extraordinary leadership experience, agribusiness expertise & strategic vision to the USBC Board of Directors. 


Prior to co-founding The Sitos Group, Mayo served as  General Manager of North 

Mayo Ryan, AFM, is Co-Founder & CEO of Sitos Group, and USBC Chair.


Mayo is a regenerative agriculture, biochar & CDR expert & entrepreneur who brings extraordinary leadership experience, agribusiness expertise & strategic vision to the USBC Board of Directors. 


Prior to co-founding The Sitos Group, Mayo served as  General Manager of North State Hulling Cooperative,  where he led construction of a $30M almond hulling facility. 


Former Manager of Water Resources for Wonderful Orchards & General Manager of California Olive Ranch, Mayo is passionate about the essential role biochar has to play in safeguarding food security, supporting farmer resilience & building climate smart communities.


Mayo holds a BS in Political Science, an MBA in Agribusiness, is a California Ag Leadership graduate, and holds accreditation in farm management.   

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Tom Marrero

Mayo Ryan, AFM

Mayo Ryan, AFM

Tom Marrero is co-owner and president at Wakefield Biochar and the Vice President of USBC.


Tom is an experienced entrepreneur with an impressive track record  of leading advancements in renewables, environment, and climate industries. Skilled in commercialization, leadership, science, and public speaking he is a strong business development

Tom Marrero is co-owner and president at Wakefield Biochar and the Vice President of USBC.


Tom is an experienced entrepreneur with an impressive track record  of leading advancements in renewables, environment, and climate industries. Skilled in commercialization, leadership, science, and public speaking he is a strong business development professional. Wakefield is a commercial grade biochar industry leader with USDA National Organics Program OMRI listed biochar products distributed at hundreds of locations in the U.S. through Home Depot Pro Centers, Lowes, Tractor Supply Co, Walmart, Meijer and Amazon.


Tom is an expert in design of biochar systems for remediating  and stabilizing radioactive wastes and holds a Doctor of Philosophy (PhD) focused in Analytical Chemistry from University of Missouri-Columbia..

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Karl Strahl

Mayo Ryan, AFM

Will Hessert

Karl Strahl is Vice President of Sales & Marketing at Oregon Biochar Solutions, USBC Treasurer, snd Standards Committee Leader.


Karl is an industrial scale biochar production, quality, & application expert with vast knowledge of biochar characterization and performance metrics for agriculture, drought resilience, soil & water remediation, 

Karl Strahl is Vice President of Sales & Marketing at Oregon Biochar Solutions, USBC Treasurer, snd Standards Committee Leader.


Karl is an industrial scale biochar production, quality, & application expert with vast knowledge of biochar characterization and performance metrics for agriculture, drought resilience, soil & water remediation, among other uses.  


Karl brings invaluable biochar field performance knowledge & a track record of success in high volume, high quality biochar marketing and sales that is unique in the industry.  

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Will Hessert

Will Hessert

Will Hessert

Will Hessert is the Co-Founder & CEO of BluSky Carbon and Membership and Engagement Chair of the USBC.


Will is a CDR expert with a lengthy entrepreneurial background. Catalyzed by the growing global need for carbon negative solutions, he co-founded BluSky has led the innovation of hybrid carbon removal and decarbonizations technologies. Hi

Will Hessert is the Co-Founder & CEO of BluSky Carbon and Membership and Engagement Chair of the USBC.


Will is a CDR expert with a lengthy entrepreneurial background. Catalyzed by the growing global need for carbon negative solutions, he co-founded BluSky has led the innovation of hybrid carbon removal and decarbonizations technologies. Him and his team have one major goal in mind: to remove billions of tonnes of CO2 from the atmosphere. Will is currently overseeing the deployment of multiple industrial biochar and CDR projects worldwide. He brings his engineering, operations and business expertise to the USBC Board of Directors

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Jack Wong

Will Hessert

Jack Wong

Jack Wong is the Chairman of Verde Resources and the Secretary-Chair of USBC.


Jack has been the driving force behind Verde Resources’ transformation into a emerging leader in Net Zero road solutions since joining the company in December 2020. As CEO, he led a comprehensive restructuring of the company’s corporate strategy, C-suite, and ope

Jack Wong is the Chairman of Verde Resources and the Secretary-Chair of USBC.


Jack has been the driving force behind Verde Resources’ transformation into a emerging leader in Net Zero road solutions since joining the company in December 2020. As CEO, he led a comprehensive restructuring of the company’s corporate strategy, C-suite, and operations. Under his leadership, Verde has achieved historic milestones and established strategic partnerships across the carbon credit and building materials sectors, positioning the company at the forefront of sustainable infrastructure development. His vision and execution discipline have reshaped Verde’s trajectory and established a clear, pragmatic pathway toward a Nasdaq uplisting.

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Government Relations & Management Team

Maureen Walsh

Markus Videnieks

Maureen Walsh

Maureen Walsh is the Executive Director at the U.S. Biochar Coalition and Co-Founder & Partner at SMART Policy Group. 


Maureen brings over two decades of legislative, regulatory, and government relations expertise. Her creative, proactive approach to advocacy has generated many critical wins for emerging climate tech industries, including 

Maureen Walsh is the Executive Director at the U.S. Biochar Coalition and Co-Founder & Partner at SMART Policy Group. 


Maureen brings over two decades of legislative, regulatory, and government relations expertise. Her creative, proactive approach to advocacy has generated many critical wins for emerging climate tech industries, including biogas, compost, and advanced recycling. 


Maureen has served as lobbyist for the American Biogas Council for the last 12 years, successfully navigating regulatory hurdles, raising the profile of biogas, and obtaining hundreds of millions of dollars of incentives for the industry. Her record of achievement growing nascent climate tech industries in the U.S. through policy and industry organization is second to none.

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Carrie Annand United States Biochar Coalition U.S. Biochar Coalition

Carrie Annand

Markus Videnieks

Maureen Walsh

Carrie Annand is Policy Director at the U.S. Biochar Coalition and Co-Founder and Partner at SMART Policy Group. 


Carrie is a biomass policy subject matter expert, with unparalleled legislative, regulatory, and industry knowledge and extensive government & private sector relationships. 


She has served as lobbyist for the Biomass Power Assoc

Carrie Annand is Policy Director at the U.S. Biochar Coalition and Co-Founder and Partner at SMART Policy Group. 


Carrie is a biomass policy subject matter expert, with unparalleled legislative, regulatory, and industry knowledge and extensive government & private sector relationships. 


She has served as lobbyist for the Biomass Power Association for the last 9 years and has built, run, and achieved tremendous success for numerous industry coalitions and associations including the Renewable Fuel Standard Coalition, the Baseload Power Coalition, and the Circular Economy Coalition, among others.

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Markus Videnieks

Markus Videnieks

Markus Videnieks

Markus Videnieks, a strategic advisor at SMART Policy Group, has over 20 years of experience in public policy and communications. He helps clients navigate legislative and regulatory challenges, from securing Congressional appropriations to addressing complex agency rules.  


Specializing in renewable energy, he has guided clients through r

Markus Videnieks, a strategic advisor at SMART Policy Group, has over 20 years of experience in public policy and communications. He helps clients navigate legislative and regulatory challenges, from securing Congressional appropriations to addressing complex agency rules.  


Specializing in renewable energy, he has guided clients through rulemakings and legislation on converting organic matter into energy. He has also led national advocacy campaigns in transportation policy, including safety and environmental issues. Previously, Markus spent a decade at a top lobbying firm, securing legislative wins in transportation, energy, education, and municipal policy.

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Michelle Torelli

Markus Videnieks

Markus Videnieks

Michelle has been serving as a senior researcher, process engineer, portfolio manager, and innovation ecosystem architect on innovative materials and process technologies with profound national security implications for over a decade. And now, she addresses cross-sector science policy and strategic interoperability to fortify U.S. global 

Michelle has been serving as a senior researcher, process engineer, portfolio manager, and innovation ecosystem architect on innovative materials and process technologies with profound national security implications for over a decade. And now, she addresses cross-sector science policy and strategic interoperability to fortify U.S. global leadership across defense, diplomacy, and development.


Her background enables her to steward technical insights, commercial ventures, and policy leadership to ultimately deliver organizational and programmatic influence throughout sectors and stakeholders. 


She has authored and co-authored various publications and is also an alumnus of prestigious fellowships such as Udall, Gilman, and ACS, among others. She holds a Master’s degree in environmental engineering with thesis focus on thermodynamics, risk, and supply chain modeling and Bachelor’s degree in chemical engineering from Drexel University.

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Deirdre Seling

Deirdre Seling

Deirdre Seling

Deirdre Seling is Communications & Marketing Manager at the U.S. Biochar Coalition (USBC) and Manager at SMART Policy Group (SPG).  


Deirdre comes to USBC & SPG with a B.A. in Political Science and a blend of skills in communication, design, and policy. Her experience includes social media management across platforms, and she has experienc

Deirdre Seling is Communications & Marketing Manager at the U.S. Biochar Coalition (USBC) and Manager at SMART Policy Group (SPG).  


Deirdre comes to USBC & SPG with a B.A. in Political Science and a blend of skills in communication, design, and policy. Her experience includes social media management across platforms, and she has experience with graphic design for professional materials. 


Deirdre knows advocacy related to sustainability, bioenergy, and circular economy, bringing creativity and a thoughtful approach to these important topics.  

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Sean Trambley United States Biochar Coalition U.S. Biochar Coalition

Sean Trambley

Deirdre Seling

Deirdre Seling

Sean Trambley is Policy & Communications Director at the U.S. Biochar Coalition and a Senior Director at SMART Policy Group. 


Sean brings a decade of expertise in strategic communications, public affairs, media relations, and crisis management across the private and public sectors. 


Sean has cultivated strong relationships with reporters, p

Sean Trambley is Policy & Communications Director at the U.S. Biochar Coalition and a Senior Director at SMART Policy Group. 


Sean brings a decade of expertise in strategic communications, public affairs, media relations, and crisis management across the private and public sectors. 


Sean has cultivated strong relationships with reporters, producers, and columnists in markets from coast to coast focused on a variety of issues including government, housing, environment, energy, telecom, and campaigns.

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