Meet the voices of 2025

Impact Days brings together a unique combination of thinkers—unconventional voices, changemakers, and leaders from across sectors. By breaking silos and embracing diverse perspectives, we uncover deeper truths and forge new solutions. Real progress happens when we listen, engage, and act—together.

P.S. We’re constantly adding new voices, so stay tuned!

Uli Grabenwarter

Deputy Director – Equity Investments at European Investment Fund

Tatiana Glad

Executive Director, Impact Hub Global Network

Marcello Palazzi

Co-founder, B-Lab Europe,

Dr. Christin ter Braak-Forstinger

Founder, CEO, Chi Impact Capital

Eveline Steinberger

Founder & Executive Director, The Blue Minds Company

Alois Posekufa Mhlanga

Chief, Climate Innovation and Montreal Protocol Division, UNIDO

Theresa Imre

Founder, Markta

Angelika Delen

Head of Impact Solutions- Europe, IMETA and Asia, Mercer

Cyril Gouiffès

Head of Social Impact Investments @ European Investment Fund

Helena Frumson

Co-Founder & Group CCO + ESG, Neoclear

Paul Chatterton

Founder and Lead, Landscape Finance Lab

Clara Navarro

Co-founder and former CEO @Fundación Ship2B

Rafael Prieto-Curiel

Faculty, Complexity Science Hub

Rune Theill

CEO and Co-Founder, Rockstart

Laura Iriarte Zabalaga

Head of PR and Communications, Zero One Hundred Conferences

Patrick Somerhausen

Managing Partner @ Funds For Good

Silke Horakova

Co-Founder & Partner at Tilia Impact Ventures

Peter McDonald

Chairman of the Board of Directors, ÖGK

Johannes Ortner

Co-Founder and CEO ALIA AG

Benedikt Buchspies

Senior Scientist, Planet A