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ABOUT US

350Solutions

Over 60 years of impacting our environment.

The team at 350Solutions has been evaluating and developing innovative technologies that impact our environment for over 60 years combined. We’ve developed testing protocols for innovations that have not yet been rigorously tested. We’ve managed multi-million dollar demonstration programs for new innovations. And we’ve been on the developer’s side, too — working from  proof of concept to large demonstrations.

Why Choose 350Solutions

Independent verification for proven performance and impact.

Independent verification for proven performance and impact. At 350Solutions, we provide technical assessments of innovations, with a focus on fundamentals. Our knowledge and application of mass and energy balances, measurement technology, analytical methods, fundamental science, and data quality ensures better data inputs result in high quality and credible outputs. This data can reduce uncertainty and risk and encourage wider, more rapid implementation. We hope this is part of the solution to get back to 350 ppm CO2.

Meet the experts

Meet the team behind 350Solutions. We believe in what we do.

Tim Hansen, P.E.
Founder
M.S., Engineering Science, Dartmouth College, 1995
B.S., Chemical Engineering, University of Virginia 1993

Tim is Founder and CEO of 350Solutions. He is a chemical engineer with over 26 years of experience managing and conducting technology research, development, demonstration and analysis. He has a broad technical background with experience in environmental consulting for industry, clean technology development, standards development, and business management.

Tim has worked extensively with commercial clients and partners, as well as state and federal agencies on numerous research and development programs while previously at Southern Research Institute. He has a broad range of energy and technology industry expertise and a large network of industry contacts. Tim served as the lead U.S. Technical Expert for the development and implementation of ISO 14034 Environmental Technology Verification (ETV), the 2016 international standard issued to unify the protocol for the evaluation of innovative technologies. He led the U.S. working group and served Head of Delegation for international technical committee meetings and provided significant technical input in the development of the final standard.

Tim is an outdoor enthusiast and enjoys mountain biking and camping. He’s also an aging volleyball player trying to hold on to his glory days.

Bill Chatterton
Verification Program Manager
B.S., Environmental Science, State University of NY, 1982
A.A.S., Environmental Technology, Paul Smith College, 1979

William Chatterton is an environmental scientist with 39 years of experience in technology evaluation and demonstration, project management and air pollution monitoring, testing, and regulation. He serves as Verification Program Manager for 350Solutions, where he manages projects and programs for commercial and government clients.

In his previous position at Southern Research, Bill managed and supported programs designed to integrate, demonstrate and evaluate technology performance in the advanced energy field. He led 350’s efforts in becoming the first accredited verification body in the U.S. for application of ISO 14034 ETV and completed two ISO 14034 conformant technology verifications in 2020. Bill is also a Certified Measurement and Verification Professional (CMVP).

Bill is an avid fly fisherman and can be found in the mountain streams of North Carolina whenever he can, catching trout until his arm is worn out and enjoying the spectacular scenery.

Lily Schacht
Senior Carbon Removal Verification Engineer

Lily is a Chemical Engineer with 4 years of experience in developing and verifying low-carbon and carbon removal technologies with a focus on mineralization.

Kelly Inder-Nesbitt
Senior Carbon Removal Verification Engineer

Kelly Inder-Nesbitt is a Senior Carbon Removal Verification Engineer at 350Solutions, bringing over 10 years of experience in environmental compliance and carbon markets. Passionate about climate solutions, she works closely with innovative carbon dioxide removal (CDR) projects to ensure they meet the highest environmental and accounting standards.

From biochar to direct air capture, Kelly has assessed a wide range of cutting-edge technologies, helping projects deliver measurable, impactful results. Kelly’s career highlights include creating ISO aligned compliance frameworks, developing MRV systems for carbon credit registration, and contributing to CDR methodologies. She’s committed to supporting teams on the ground and making complex processes easier to navigate. Whether conducting detailed site audits or helping buyers and investors understand emerging technologies, Kelly thrives on fostering collaboration and driving real-world climate impact.

Guy Ingram-Hardwick
Carbon Removal Verification Engineer

Guy is a Materials Engineer who has always had a passion for innovative climate related technologies. Having worked within carbon removal for the last 3-years, Guys career has focused on Life Cycle Assessment and development of MRV frameworks

Trusted Verification Across Sectors

Explore how we’ve supported innovators across industries by verifying carbon removal technologies and delivering trusted results that drive environmental impact and market confidence.

Driving transparency and trust in carbon removal.

350 solutions Clients & Suppliers

Trusted Partnerships Powering Positive Climate Impact

350Solutions works with key stakeholders: suppliers, investors, and credit buyers in the carbon removal and cleantech sectors