
Upcoming events

ISTAT Sustainability Symposium
Date: April 29, 2025
Join us for the fourth annual ISTAT Sustainability Symposium in Dublin, where industry leaders will share insights on navigating the ever-changing sustainability landscape. In partnership with IMPACT on sustainable aviation and hosted by Avolon, we will tackle the challenges of a net zero roadmap and explore sustainable financing. This event is designed for those shaping the future of aviation.
Agenda and more information here.
Registration for IMPACT and ISTAT members only.
Past events

Videos
- Welcome address
by John Rooley (WTW) - Soundbites “The Emissions Challenge”
Prof. Andreas Schäfer (University College London) - Full speech “The Effects of Aviation on Clouds and Climate”
Prof. Piers Forster (University of Leeds) - Soundbites “Operational and Technological Strategies”
Expert round with Prof. Mirko Hornung (Bauhaus Luftfahrt), Prof. Rob Miller (University of Cambridge), Prof. John-Paul Clarke (University of Texas), David Debney (ATI), Hemant Mistry (IATA), Basil Gygax (Embraer) - Soundbites “Aviation Energy Transition”
Expert round with Prof. Steven Barrett (University of Cambridge), Dan Rutherford (ICCT), Marcella Franchi (Haffner Energy), Matt Prescott (London Heathrow Airport), Laurent Müller (Climeworks), Prof. John-Paul Clarke (University of Texas) - Soundbites “Policies and Governance”
Prof. David Victor (University of California San Diego)
- Soundbites “The Finance Challenge”
Expert round with Prof. Tom Conlon, Michael Halaby (MUFG), Charlotte Dubec (WTW Aviation), Erwin Nederkoorn (ING), Ewa Oney (EU EC DG MOVE), Glenn Morgan (Clear Sky), Sita Toolan (SMBC Aviation Capital) - Closing remarks
by Leigh Hudson (IAG) - Soundbites Fireside chat
with Fred Krupp and Sheila Remes - Chat on the sidelines
IMPACT Board members Ulrike Ziegler, Jean Chedeville (Natixis) and Hugo Kanters (ING) - Address to stakeholders
Dr. Ulrike Ziegler (IMPACT) - Highlights of the IMPACT Forum 2024

Videos
- Welcome
Moderated by Dr Ulrike Ziegler (impact), Nikolaos Kouros (Bank of China) - Panel “Who pays the SAF bill? – Dealing with the cost mark-up”
Moderated by Risteard Sheridan (Aercap)
Watch the full panel here. - Panel “Corporate clients and the ramp-up of SAF and carbon capture solutions”
Moderated by Patrick Edmond (Altair Advisory)
Watch the full panel here.
- Panel “Challenges and opportunities around nature-based voluntary carbon offsets”
Moderated by Kieran O’Brien (KPMG)
Watch the full panel here. - Presentation “Understanding the relevance of impact’s Milestone Concept for financiers and lessors”
Moderated by Prof. Dr. Tom Conlon (University College Dublin)
