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Carbon Direct
    • Measure

      Activate your climate strategy through carbon footprints.

    • Reduce

      Create a strategy with actionable steps to reduce your footprint.

    • Remove

      Purchase high-quality removal credits with real climate impact.

    • Climate Justice

      Build equitable practices into your climate action plan.

  • Platform
    • Advisory Services

      Get customized support at all stages of your climate journey.

  • Insights
  • Careers
    • Our Company

    • Meet Our Customers

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Meet our world-class science team

Our scientists will guide your organization to achieve its climate goals with the right carbon management program.

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John Dees, PhD

Senior Decarbonization Scientist

Bioenergy with Carbon Capture and Storage (BECCS) + Biomass Carbon Removal and Storage (BiCRS)

Julio Friedmann

Julio Friedmann, PhD

Chief Scientist

Direct Air Capture (DAC) + Hydrogen

Meera Atreya, PhD

Senior Science Advisor

Biomass Carbon Removal and Storage (BiCRS) + Biofuel

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John Dees, PhD

Senior Decarbonization Scientist

Bioenergy with Carbon Capture and Storage (BECCS) + Biomass Carbon Removal and Storage (BiCRS) + Biofuel

Dr. John Dees is a senior decarbonization scientist responsible for projects involving biomass-based engineered carbon removal (BECCS and BiCRS) and biofuels.

John performs technical analysis and project diligence to assist clients in identifying high-quality carbon removal and sustainable fuel projects. He is also a key contributor to carbon storage durability and waste feedstock working groups.

Background & Bio

John initially trained as a geographer, where he developed a technical background in geospatial analysis and remote sensing. His interests later shifted to energy and climate. His master's thesis investigated interest group politics in state-level renewable energy policy.

John's PhD work focused on the intersection of industrial ecology and climate economics. In his dissertation, he employed life cycle and techno-economic assessment methods to assess the potential for bio-based products and fuels to remove carbon from the atmosphere. As an extension of that work, he employs integrated assessment models to assess the value of temporary carbon storage. John brings an interdisciplinary background to bear across client engagements, from technical project reviews to policy expertise.

During his PhD, John collaborated with the Energy Systems team at Lawrence Livermore National Lab to quantify the technical and economic potential for low-carbon ethanol, sustainable aviation fuel, and carbon removal in the broader bioeconomy.

Education

PhD Energy and Resources Group

UC Berkeley

MS, Energy and Resources Group

UC Berkeley

BS, Environmental Spatial Analysis

University of North Georgia

Awards

Graduate Fellow (2015 - 2020)

NSF

Udall Scholar (2014)

Udall Foundation

Publications and Features

and airplane wing over mountains at sunset

blog

/

May 17, 2023

A primer on the future of sustainable aviation fuel

John Dees, PhD

Bioenergy with Carbon Capture and Storage (BECCS)

A.J. Simon

A.J. Simon

Carbon Utilization

Julio Friedmann

Julio Friedmann, PhD

Chief Scientist

Direct Air Capture (DAC) + Hydrogen + Biofuel

Dr. Julio Friedmann is Chief Scientist at Carbon Direct.

He works directly with clients, the Science team, and the leadership of Carbon Direct to solve major technical challenges around carbon management and CO2 removal.

Background & Bio

Dr. Friedmann recently served as Principal Deputy Assistant Secretary for the Office of Fossil Energy at the Department of Energy where he was responsible for DOE’s R&D program in advanced fossil energy systems, carbon capture, and storage (CCS), CO2 utilization, and clean coal deployment. More recently, he was a Senior Research Scholar at the Center on Global Energy Policy at Columbia. He has held positions at Lawrence Livermore National Laboratory, including Chief Energy Technologist.

Dr. Friedmann is one of the most widely known and authoritative experts in the U.S. on carbon removal (CO2 drawdown from the air and oceans), CO2 conversion and use (carbon-to-value), hydrogen, industrial decarbonization, and carbon capture and sequestration.

Education

Ph.D. in Geology

University of Southern California

MS, Geology

Massachusetts Institute of Technology (MIT)

BS, Music

Massachusetts Institute of Technology (MIT)

Awards

Greenman award (Lifetime achievement in CCS)

International Energy Agency: IEA

Publications and Features

blog

/

Jun 6, 2023

How new EPA power plant rules will affect greenhouse gas emissions

Thaddeus Woody

Environmental Policy

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Apr 25, 2023

Carbon removal gets a boost from the Biden administration

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

a blue ice sheet over the ocean

blog

/

Mar 22, 2023

IPCC Report: Carbon Removal is Now Required to Meet Climate Mitigation Targets

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Feb 28, 2023

Ammonia: Today’s Imperative, Tomorrow’s Promise

Tim Bushman

Environmental Science & Policy

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Feb 13, 2023

From Direct Air Capture to Concrete: How Heirloom and CarbonCure are Kicking off a New Era for Carbon Mineralization

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Nov 8, 2022

Carbon Direct at COP27

Nili Gilbert

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Sep 15, 2022

Commentary on the economics of direct air carbon capture

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Aug 2, 2022

A New Proto-Protocol for Bio-oil Sequestration

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Apr 5, 2022

On the IPCC AR6 WGIII Report: Why Carbon Removal is an Essential Part of Meeting Climate Goals

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Feb 22, 2022

Dr. Julio Friedmann Testifies Before the Committee on Science, Space, and Technology Energy Subcommittee

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

media

/

Nov 11, 2021

Carbon Direct COP26 Global Forum on Carbon Management Technologies

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Mar 7, 2021

Direct air capture is ready for its close-up

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Nov 18, 2020

The Seven Stages of Net-Zero Commitments

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

blog

/

Sep 8, 2020

Offsets, Onsets, and Insets: More is More

Julio Friedmann

Julio Friedmann, PhD

Direct Air Capture (DAC)

Meera Atreya, PhD

Senior Science Advisor

Biomass Carbon Removal and Storage (BiCRS) + Biofuel

Dr. Meera Atreya has expertise in strategic advisory, sustainability, and biomass for carbon removal.

Dr. Atreya was the lead author of Bioresources within a Net-Zero Emissions Economy, a report by the Energy Transitions Commission evaluating the role of sustainable bioresources in climate change mitigation. While at SYSTEMIQ, a sustainability-focused systems change company, Dr. Atreya provided strategic advice to a major climate-focused philanthropic foundation and co-authored a report on alleviating the plastic waste crisis; the United Nations Environment Programme intends to use this analysis as the basis for a global plastic treaty. Prior to SYSTEMIQ, Dr. Atreya was a management consultant at McKinsey & Company, where she was designated as an Affiliate Expert in Renewable Energy & Cleantech and was a key member of the team that steered McKinsey to become carbon-neutral, globally.

Background & Bio

Dr. Atreya is based in London and holds a Ph.D. in Chemistry (Chemical Biology) from UC Berkeley and an A.B. cum laude from Harvard. She was awarded a US National Science Foundation Graduate Research Fellowship for her doctoral research on engineering enzymes to improve the efficiency and lower the cost of converting cellulosic biomass to 2nd-generation biofuels.

Education

Ph.D. in Chemistry (Chemical Biology)

UC Berkeley

A.B. cum laude

Harvard

Awards

US National Science Foundation Graduate Research Fellowship

US National Science Foundation

GreenFin meeting request

Cannes 2023 footprint

Sustainable Aviation Fuels Primer Report

Portfolio Questions

Clean Ammonia: Prospects for Decarbonization

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