GREENTECH FESTIVAL SPEAKERS

Speakers 2025

Adam Gordon

Managing Partner
Wildflower Ltd

Alicia Eastman

Co-founder & Board Director
InterContinental Energy

Bernard Leong

CEO & Founder
Dorje AI & Analyse Asia Podcast

Bernhard Kowatsch

Head of WFP Innovation Accelerator
UN World Food Programme

Charlie Martin

Founder and CEO
The Anti-Greenwash Charter

Christine Lemaitre

CEO
German Sustainable Building Council

Conyers Davis

Global Director
USC Schwarzenegger Institute

Dale Vince

Founder
Ecotricity

Dirk Voeste

Chief Sustainability Officer
Volkswagen Group

Dominik Campanella

Co-Founder
Concular

Elissa Brunato

CEO, Founder
Radiant Matter

Elle Allen

Senior Engineering R&D Project Manager
Commonwealth Fusion Systems

Erik Wirsing

Vice President of Global Innovation
DB SCHENKER

Hirander Misra

Chairman & CEO
ZERO13

Jure Mikolčić

Executive Vice President and CEO Germany Division of Stadler Rail
Stadler

Lara Obst

Founder & Chief Climate Officer
ClimateChoice

Martin Scaife

Chairman & CTO
Diaper Recycling Technology

Oliver Krenz

Head of Sustainability
Autobahn GmbH

Shaun Abrahamson

Managing Partner
Third Sphere

Steffen Szeidl

CEO
Drees & Sommer SE

Tatiana Collins

Chief Executive
Ingenie Greentech

Speakers 2024

Achim Wambach

President
ZEW - Leibniz-Centre for European Economic Research

Adam Domanski

Consultant, Business Lead, Business Unit Lead
TLGG Consulting

Adam Elman

Head of Sustainability, EMEA
Google

Adrian Wons

Founder & CEO
Senken

Aileen Poese

Cheftrainerin Profifrauen
Union Berlin

Alessandra Caggiano

Berlin City Lead
Women and Climate

Alessandro Armillotta

CEO and Co-Founder
AWorld

Alessandro Piccinini

Managing Director
Nespresso Germany

Alexander Appel

Manager Sustainability
MHP A Porsche Company

Alexander Damaschun

Project Portfolio Manager
Forschungszentrum Jülich GmbH, Projektträger Jülich (PtJ)

Alexander Fenzl

Chief Sales Officer
E.ON SE

Alexander Hirschfeld

Head of Research
Startup Association

Alexander Krock

CTO
E.ON SE

Alexander Sascha Wolf

Chairman of the Board
GICA - impact network

Alina Bassi

Impact Investor
Ananda Impact Investments

Amanda Jobbins

CMO
Vodafone Business

Anders Jepsen

Co-Founder
NORNORM

Anders Levermann

Head of Department, Complexity Science
Potsdam Institute for Climate Impact Research (PIK)

André Schnelte

Senior Product & Business Development Manager
E.ON

Andreas Decker

CEO
HOS Gruppe

Andreas Kroenke

Executive Unit Director
PIABO GmbH

Andreas Pusch

Founder & CEO
YUKKA Lab AG

Andreas Schweitzer

Director, Technology Energy Supply
BASF SE

Andy Mayer

COO & Energy Analyst
Institute of Economic Affairs

Ann-Katrin Enz

Consultant
Drees & Sommer SE

Anna Alex

Cofounder & Investor
NALA Earth

Anna Jasper-Martens

CEO
E.ON Energy Infrastructure Solutions

Annika Hauptvogel

Global Head of Technology and Innovation Management
Siemens AG

Annika Zawadzki

Partner & Managing Director
BCG

Antje Leminsky

Member of the Executive Board
Bechtle

Antoinette Taus

Actor, UNEP Goodwill Ambassador and Founder
CORA Nonprofit

Arizona Muse

Model, Activist and Founder
DIRT Charity

Ayisha Siddiqa

Climate Advisor to the UN Secretary General, Project Manager
Future Generations Tribunal

Barbara Wittenberg

CTO
1KOMMA5°

Bas van den Brande

Country Manager Germany
Carbon Equity

Ben J Munday

Event Host & MC

Benedikt Reith

Leader, Business Unit Projects – Residential
LIXIL EMENA

Björn Brecht

Head of Business Development
Kieback&Peter GmbH und Co. KG

Britta Behrendt

Permanent Secretary for Climate Protection and the Environment in Berlin

Britta Grundke

Head of Sustainability
PowerCo

Carlo Ratti

Professor
MIT's Senseable City Lab

Caroline Drischel

Head of Corporate Responsibility
Lufthansa Group

Carsten Dierkes

Head of Research and Development
GODELMANN

Carsten Gieseler

CEO
Skermjan GmbH

Celia Renz

Rechtsanwältin
Chatham Partners

Céline Flores Willers

Founder & CEO
The People Branding Company

Chris de Sarandy

Christian Bergius

Director DACH
EcoTree

Christian Boelling

Managing Director Central Region
EIT Manufacturing

Christian Decher

Co-Founder & Co-CEO
OCELL

Christian Feuerherd

CEO
BEW Berliner Energie und Wärme

Christian Krug

Journalist and Media Consultant
Christian Lindner

Christian Lindner

Federal Minister of Finance
Federal Republic of Germany

Christine Grunert

Projektkoordinatorin
H2APEX

Christoph Beaufils

Brandmanager & Strategie
ISPO

Christoph Paul Ritzkat

Chairman of the Executive Board
Kieback&Peter GmbH und Co.KG

Christoph Praun

Project Manager Sustainability
AUDI AG

Christoph Strecker

Country Manager DACH
IONITY

Christoph Weigler

General Manager DACH
Uber Germany GmbH

Christopher Engman

Author and Founder: Megadeals. Large Deals in Sustainability Tech
Megadeals

Christopher Gruen

Bussiness Development & Startup Investor
CityQ

Christopher Jahns

Executive Board Member for Sustainability and Development
FÜCHSE BERLIN

Claudia Kemfert

Head of Energy, Transport & Environment
DIW

Claudia Müller

Parliamentary State Secretary
Federal Ministry of Food and Agriculture

Claudia Rautenberg

Vice President HR Management Executives, Employer Branding & Talentmanagement
Lufthansa Group

Constance Hybsier

Associate Director Sustainability
Coca-Cola Europacific Partners

Cora Taylor

Business Developer
Volta Greentech

Dale Rickert

Head of Product
GREENTECH FESTIVAL

Daniel Günther

Minister President
Schleswig-Holstein

Daniel Kiss

Team member
HomeSwap

Daniel Schmidt

Director Process Optimization and Special Handling
SAG Stuttgart Airport Ground Handling GmbH

Daniela Gerd tom Markotten

Member of the Management Board for Digitalization & Technology
Deutsche Bahn AG

Daniela Haldy-Sellmann

Global VP and Head of Energy & Utilities Industries
SAP SE

David Nellessen

Co-Founder & CTO
syte GmbH

David Weiblein

Geschäftsführer
BTB Blockheizkraftwerks-Träger- und Betreibergesellschaft mbH

Deanna Kovar

President, Worldwide Agricultural & Turf Division
Deere & Company

Dennis Furchheim

Co-Founder, Managing Director
Odonata GmbH

Dominik Tartler

berta.energy

Don Dahlmann

Award winning Journalist, Speaker & Consultant - Future of Mobility

Dr. Andreas Klesse

Boardmember
E.ON Energy Solutions

Dr. Friederike Eggert

Chief of Staff
SEFE

Dr. Maximilian Schnippering

Head of Sustainability
Siemens Gamesa Renewable Energy

Dr. Peter Sponholz

Chief Research Officer
H2APEX

Dr. Rainer Seider

Senatskanzlei Berlin

Emet Zeitz

Co-CEO
Net Zero Insights

Emil Pettersen

Founder
Reparell AB

Eric Jochum

Management Consultant Green IT
metafinanz

Eric Quidenus-Wahlforss

CEO & Founder
Dance

Erin Beilharz

Head of ESG for IT
Lufthansa Group

Ewa Chmielewska

Head of Communications & Marketing
E.ON EIS Polska Group

Ewald Lienen

Deutscher Fußballspieler und -trainer

Fabian Friede

Co-CEO
BLUU Seafood

Fabian Gierl

Leading Consultant
Drees & Sommer SE

Fabian Grischkat

Newsfluencer & Activist
we are era

Fabian Nendza

Senior Sustainability Manager
Globetrotter

Fabian Sperling

Co-Founder
Carbonsate

Fatou Jeng

Climate Advisor to the UN Secretary General, Founder
Clean Earth Gambia

Felicia Mutterer

Co-Founder & Managing Director. Fußball Welt- und Europameisterin, Co-Trainerin DFB U19/20 Nationalteam Frauen
FC Viktoria Berlin

Fiona Fussi

International model, actress, host
BRVE

Florian Eickhold

Advisor
Independent Expert

Florian Gremme

Projektleiter Anlagenbau
RWE

Folker Trepte

Leiter Energiewirtschaft
PwC Germany

Frank Kübler

CEO & Co-Founder
SYNK Group

Frank Rattey

Geschäftsführer
Planeteers

Frankwin van Winsen

Head of Development
WEO SAS

Franziska Albrecht

Head of Communication
Madaster Germany

Franziska Brantner

Parliamentary State Secretary, Federal Ministry for Economic Affairs and Climate Action

Franziska Reich

Editor in Chief
Focus Magazine

Fred Walti

CEO
Network for Global Innovaiton

Fulco Treffers

Director
Ro3kvit

Gabriel Clemens

CEO
E.ON Green Gas

Gabriel Mumba

Board Chairman
Emerging Cooking Solutions

Gabriele Haessig

Managing Director Communications & Sustainability P&G DACH
Procter & Gamble

Georg Kobiela

Policy Lead
Bellona Deutschland

Gerrit Feuerriegel

Founder
Bioshyft GmbH

Ghislain Irakoze

Founder and CEO
Wastezon

Gillord Pisas (HOST)

MC/Host

Giuseppe Di Grazia

Deputy Editor in Chief
Der Stern

Gordon Knebel

Union Berlin

Götz Schönfeld

Senior Manager neext
Drees & Sommer SE

Greta Schulte

Head of Government and Public Affairs
Deutsche Kreditbank (DKB)

Guillaume De Vesvrotte

Co-Founder
WE DON'T NEED ROADS

Hajo Schumacher

Chief Columnist
Funke Media

Hanna Huber

Head of Innovation Management
Drees & Sommer SE

Hannah Boomgaarden

Senior Manager Open Innovation Services
Plug and Play Tech Center

Haris Piplas

Architekt & Urbanist - Leading Consultant
Drees & Sommer

Harry Lehmann

Director
Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH

Heiko Dünkel

Head of Team Litigation
Federation of German Consumer Organisations vzbv

Heiner Kolde

Geschäftsführender Gesellschafter
bkp Düsseldorf

Henni Weiser

Senior Director Talent& Diversity Management
Lufthansa Group

Henning Dumrese

Geschäftsführer
Urban Innovation | Dumrese Real Estate

Henrik Töpelt

Associate Partner & Head of Energy
Drees & Sommer SE

Holger Matthiesen

Managing Director
LX ECO GmbH (part of Luxcara)

Holger Sedlak

CTO
justairtech GmbH

Horst von Buttlar

Editor in Chief
Wirtschaftswoche

Ingram Täschner

Unit Manager Heat Department
BDEW German Association of Energy and Water Industries

Ingrid Kukuljan

Head of Impact Sustainable Investing
Federated Hermes

Isabel Gebien

Founder & Podcast-Host
Equality 365

Ivo Rzegotta

Senior Public Affairs Manager Germany
The Good Food Institute Europe

Jacqueline Poeppe

Partner Success Manager - Sustainability & APAC
STARTUP AUTOBAHN powered by Plug and Play

Jacquelyn Omotalade

Climate Investments National Director
Dream.org

Jan Daldrop

Unit Lead Machine Learning
Smart Steel Technologies

Jan Kronenberger

Head of PR and Content
IFA Management GmbH

Jan Kurrelvink

Member of Global Board - E.ON Infrastructure Solution
E.ON SE

Jan Vader

Head of Middle East and Licensed Operations
Desert Control

Jana Arnet

Consultant neext
Drees & Sommer

Jana Reiter

Plant for the Planet

Jeannine Koch

CEO
medianet berlinbrandenburg

Jennifer Kuchinke

Innovation Manager
E.ON Group Innovation

Jens Burchardt

Managing Director and Partner, Climate Impact (BCG)
Boston Consulting Group

Jens Schmidt

Chief Technology Officer
TES H2

Jens Strüker

Professor of Information Systems and Digital Energy Management
University of Bayreuth

Jimmie Langham

Geschäftsführer
cruh21

Joel Vogl

CEO & Co-Founder
Infener

Johan Warburg

Market Development Manager
Tibber

Johanna Bronisch

Senior Expert Technology
UnternehmerTUM Digital Hub Mobility

Johanna Puetz

Managing Director & Partner
BCG

Johannes Arning

COO
Tomorrow University

Johannes Axster

Mitgründer der globalen Fußballbewegung
COMMON GOAL

Johannes Pallasch

Leiter Nationale Leitstelle Ladeinfrastruktur
NOW GmbH

John Griesbacher

Aerospace Engineer M.Sc
Odonata GmbH

Jonas Becker

Consultant Sustainability
MHP

Joona Mikkola

Co-Founder/Chief Scientist
SoillWatch

Jörg Forthmann

CEO
IMWF Institute for Management and Economic Research

Jörg Steinbach

Minister for Economic Affairs
Labour and Energy in Brandenburg

Jörn van Halteren

CFO
E.ON Energy Infrastructure Solutions

Jörn-Erik Mantz

Head of Growth Markets
E.ON

Joscha Jüstel

CFO
EnerKite GmbH

Julia Marshall

Research Scientist
DLR

Julia Zhou

Co-founder
Tidal Impact

Julian Fieres

Vice President Strategy, Transformation, Sustainability & Digitalization
ZF Division Electrified Powertrain

Juliane von Schwerin

Vice President of Program, Head of Maindepartment Society NDR

Juliette de Grandpré

Climate Policy Analyst
NewClimate Institute

Julius von der Ohe

Head of strategy
C1 Green Chemicals AG

Kai Rassmus Landwehr

Co-Executive Director / Director Global Marketing
myclimate

Kai Siefert

Founder
Combinder

KAMRAD

Karl Haeusgen

President
VDMA

Karsten Miede

Director Energy, Business Development and Sustainability
VW Kraftwerk GmbH

Katharina Meran

Vice President & General Manager
Aurora Solar

Katharina van Bronswijk

Psychologist
Psychologists/Psychotherapists for Future e.V.

Katja Elkhanova

Co-Founder & CEO
Scenarium AI

Katja Heintschel von Heinegg

Director
ZAW and Deutscher Werberat

Katrin Habenschaden

Head of Sustainability & Environment
Deutsche Bahn AG

Kevin Bär

VP Sales
E.ON One

Kevin Knitterscheidt

Head of Podcast, Live and Video
Handelsblatt

KIAN VAZIRI

Kim Maren Ekrutt

Head of Innovation & Sustainability IBU Energy & Utilities
SAP SE

Kira Marie Cremer

Podcast Host
NEW WORK NOW

Kiro Reich

Founder
BRVE

Lara Rashdan

Co-founder
Yamakoe

Larissa Holzki

Team Lead AI
Handelsblatt

Lars Jessen

Writer & Director
Planet Narratives

Lauren Guy

Co-founder & CTO
Asterra

Lea Fink

Sustainability Consultant
One Planet Business - by WWF

Lena Katharina Bödeker

Co-Founder
Current Energy

Leonardo Estrada

Senior Manager
Drees & Sommer

Lioudmila Simon

Head of eMobility Innovation & Head of Corporate Partnerships
E.ON Innovation

Lisa Maxi Schmidt

Founder & CEO
runningyouroffice

LORE VAIN

Lorena Lüdorf

Referentin des Vorstands
Drees & Sommer SE

Lothar Stadler

Entrepreneur & Investor
Imhotep & Epoona

Luca Caracciolo

Editorial Director
t3n & MIT Technology Review

Lukas Neuß

Co-Founder
KitchenTown Berlin

LUNA MORGENSTERN

Magda Teresa Partyka

Communications Manager Europe
EcoFlow

Maja Göpel

Managing Director
Global Eco Transition GmbH

Malcolm Fabiyi

CEO & Founder
Optimabiome

Malek Ibrahim

CEO
Redeem Solar Technologies

Mamphela Ramphele

GCEW & Member of the Planetary Guardians

Marc Feige

Representative DACH Region
AWorld

Marcel Özer

Managing Director
EPEA GmbH - Part of Drees & Sommer

Marcel Richert

Managing Director
CAMM Solutions

Marcin Jedrzejewski

Partner and Associate Director
BCG

Marco Geuer

Head of Global Data Strategy & Solutions, Data Insight Driven Company
FIEGE GROUP

Marco Lescher

Customer Care & Services Director
Nespresso Germany
Marco Voigt

Marco Voigt

Sustainability entrepreneur & co-founder
GREENTECH FESTIVAL

Marcus Siepe

Head of City Concepts
E.ON Energy Infrastructure Solutions

Maria Pozder

Co-Founder
we4everyone

Marie Jacobs

Sustainability Lead
Stadler Rail AG

Marie-Christine Knop

Director Berlin
Brunswick

Marie-Kristin Wricke

Bloggerin

Mario Tobias

Vorsitzender der Geschäftsführung
Messe Berlin

Mark Ritzmann

Chief Executive Officer
E.ON Group Innovation GmbH

Martin Baier

Head of Sustainability Siemens Smart Infrastructure
Siemens

Martin Chaumet

Innovationsmanager
Bundesagentur für Sprunginnovationen

Martin Kaiser

Executive Director
Greenpeace Germany

Martin Pietzonka

Head of Innovation Services, Startup Hub Berlin
Drees & Sommer SE

Martin Polak

Head of Business for Public Sector EMEA
Planet Labs Germany GmbH

Marvin Jäschke

Nationaltorwart
Deutscher Kleinfeld-Fußball-Verband e.V.

Maryann Wanja

Sustainability Coordinator
Sucafina Rwanda (Rwacof) / Rebug2Debug

Mashrur H. Shurid

President & CEO
IPAGE GLOBAL INC.

Mathias Diestelmann

CEO
Brands Fashion

Mathias Kaldenhoff

Partner Innovation 6 Sustainability Management
SAP Germany SE & Co. KG

Matt Petersen

President & CEO
Los Angeles Cleantech Incubator (LACI)

Matthias Ruchser

Pressesprecher
Transnet BW

Matthias Wachter

Managing Director at NewSpace Initiative
BDI

Max Wasler

CEO
GREENTECH FESTIVAL

Maya Leinenbach

Vegan Food Creator
Fitgreenmind GmbH