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Dr. Oliver Geden

Senior Fellow; IPCC AR7 WGIII Vice-Chair — SWP Berlin

Methodology focus

Senior Fellow at the German Institute for International and Security Affairs (SWP). Vice-Chair of Working Group III of the IPCC Seventh Assessment Report (AR7). Lead author of the State of CDR annual report. The single highest-leverage individual in global CDR policy governance.

Trellison / LedgerWell intersection. IF Geden references LedgerWell methodology in AR7 or State of CDR, the market re-prices around it. Highest-leverage single target.

Affiliation
SWP Berlin
Role
Senior Fellow; IPCC AR7 WGIII Vice-Chair
Axis
Policy & Governance
Tier
Tier 4

Selected publications

Alignment with proof packs

Their methodology / roleProof-pack / Trellison fit
IPCC AR7 authorshipProof-pack citation in AR7 = global policy re-pricing
State of CDR reportProof-pack referenced in annual synthesis
European policy influenceSWP advisory to German government, EU policy

Collaboration concepts

Concept 1

State of CDR report: proof-pack implementation reference

Inclusion as an implementation instance in the annual report.

Concept 2

IPCC AR7 WGIII technical input submission

Formal submission of proof-pack methodology as implementation reference.

Concept 3

SWP briefing for German Federal Government

Targeted briefing on proof-pack adoption for German climate finance.

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 It has been withdrawn from publication and archived internally.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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