Trellison InstituteResearch Integrity · Methodology Evaluation

Dr. Julio Friedmann

Industry + ex-DOE — Carbon Direct (Chief Scientist)

Methodology focus

Chief Scientist at Carbon Direct. Previously Principal Deputy Assistant Secretary for Fossil Energy at the U.S. Department of Energy. Positions include Lawrence Livermore National Laboratory, Columbia University, and ExxonMobil. Carbon Direct is the leading commercial CDR audit firm — both adjacent competitor and potential partner for LedgerWell.

Trellison / LedgerWell intersection. Competitor/partner vector. Worth understanding where their methodology stops and proof packs extend.

Affiliation
Carbon Direct (Chief Scientist)
Role
Industry + ex-DOE
Axis
Engineering CDR
Tier
Tier 2

Selected publications

Alignment with proof packs

Their methodology / roleProof-pack / Trellison fit
Commercial CDR auditCarbon Direct audits are proof-pack-adjacent; proof packs could integrate
Industrial decarbonizationProof pack applies to industrial carbon claims, not just removal
Policy-industry bridgeFriedmann speaks to both DOE and industry; a natural validator

Collaboration concepts

Concept 1

Carbon Direct + Trellison interoperability paper

Specification for how Carbon Direct audit outputs can be formatted as proof packs.

Concept 2

Industrial decarbonization proof-pack schema

Extend proof-pack schema beyond CDR to industrial carbon claims.

Concept 3

Joint industry convening on CDR audit standards

Carbon Direct co-hosted workshop on audit interoperability.

Outreach approach

A draft opening message previously appeared here. It has been withdrawn from publication and archived internally. No contact has been made. Outreach drafts are not published against a named individual prior to contact and clearance.

What we do not ask for

  • Endorsement of Trellison, LedgerWell, DaedArch, or any affiliated entity.
  • Exclusivity or first-look rights on research findings.
  • Unpaid labour. Any advisor role is compensated with a modest honorarium and disclosed on the record.
Disclosure: Compiled from public sources through April 2026. Inclusion does not imply endorsement, affiliation, or reciprocal interest. Corrections: About.

← Engineering CDR · Carbon capture portfolio · Partnership modes

Public comments

Feedback from visitors, translated into business terminology and listed below. Use the assistant in the corner to add a comment.