Trellison InstituteResearch Integrity · Methodology Evaluation

Christian Holzleitner

Head of Unit, Land Economy and Carbon Removals — European Commission DG CLIMA

Methodology focus

Head of Unit for Land Economy and Carbon Removals at the European Commission Directorate-General for Climate Action (DG CLIMA). Owner of the EU Carbon Removal Certification Framework (CRCF) development. The single most important EU regulatory decision point for proof-pack adoption.

Trellison / LedgerWell intersection. CRCF alignment = EU market access for proof-pack-verified tonnes.

Affiliation
European Commission DG CLIMA
Role
Head of Unit, Land Economy and Carbon Removals
Axis
Policy & Governance
Tier
Tier 4

Selected publications

Alignment with proof packs

Their methodology / roleProof-pack / Trellison fit
CRCF frameworkProof packs designed to satisfy CRCF requirements
EU regulatory decision authorityCRCF alignment = EU market access
Chairs EU Expert Group on Carbon RemovalsPolicy channel

Collaboration concepts

Concept 1

CRCF proof-pack alignment specification

Formal technical specification for CRCF compatibility.

Concept 2

EU Expert Group on Carbon Removals technical briefing

Trellison presentation to the Expert Group.

Concept 3

DG CLIMA + DG AGRI joint brief

EU implementation pathway with Keesstra and EJP SOIL.

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 It has been withdrawn from publication and archived internally.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.

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