Nominations for Medawar Prize must be submitted by a member of The Transplantation Society (TTS) during the official nomination period.

• A complete nomination package must be sent to nominations@tts.org and include the following:
  • Completed nomination form
  • Letter of nomination outlining the nominee’s major contributions and their impact on the field of transplantation
  • Curriculum Vitae (CV) of the nominee
  • Supporting documentation highlighting key achievements, innovations, or contributions relevant to the award criteria
• The nominator must complete the online nomination form available on the TTS website.
• All required supporting documents must be uploaded as part of the nomination submission.
• Nominations must be received before MAY 18, 2026 to be considered for the current award cycle.
• Incomplete nominations or submissions received after the deadline will not be considered.
• Self-nominations are not permitted.
• Nominees must be TTS members in good standing at the time of nomination.
• The number of nominations received per nominee is not a decision criteria

For questions regarding the nomination process, please contact The Transplantation Society International Headquarters (IHQ): nominations@tts.org

The recipient of the TTS Medawar Prize will receive:

• $25,000 USD
• TTS Medawar Prize Medallion
• Complimentary Registration to the TTS Congress
• Invitation to the TTS President’s Dinner

The award recipient is expected to:

• Attend the TTS Congress at which the prize is presented
• Receive the prize and deliver a lecture or address
• Submit a manuscript of the acceptance speech to Transplantation (1000 words, 1 figure, 5 references, 1 author, complying with author guidelines; subject to editorial review)

To be eligible for nomination:

• The nominee must be a TTS member in good standing.
• Nominations must be submitted by a TTS member (self-nominations are not permitted).
• The nominee must have made substantial and internationally recognized contributions to liver transplantation.

Please note:

• Current TTS Officers serving on the Executive Committee are not eligible for nomination during their term.
• Posthumous nominations are not permitted.
• There are no geographic restrictions, and TTS strongly encourages nominations reflecting the global diversity of the transplantation community.
• The nominee must not have been a past recipient of the Medawar Prize

Nominations will be evaluated based on the nominee’s impact in the field of transplantation based on the below 4 criteria:

• Impact on improving transplant outcomes or understanding within transplant science
• Impact on improving ethical transplant access
• Seminal discovery, innovation or invention that has transformed the field of transplantation
• TTS Engagement

The number of nominations received per nominee is not included in the decision criteria.

The Award shall be presented at intervals determined by TTS, typically in conjunction with a major TTS Congress unless otherwise determined. TTS reserves the right not to confer the Award in a given cycle if no nominee meets the required standard of excellence.