Scroll Through Past GreenBuzz Zurich Speakers

Thematic Event: Solutions for Transforming the Textile Industry

September 23th, 2021

Vanessa Rueber
Enviro and Marketing Coordinator at Patagonia

Kathrin Dellantonio
Head of Corporate Partnerships at myclimate

Tobias Meier 
Senior Project Manager at Ecos and President of Swiss Fair Trade

Thematic Event: Gaining Speed – How to Put E-Mobility in the Fast Lane

September 21st, 2021

Dr. Dietrich Bruhn
Expert Politics and Sustainability CO2 at Dr. Ing. h.c. F. Porsche AG

Klaus Jank
Head of Digital Enterprise Business and Product Mgmt. at Siemens Smart Infrastructure

Gracia Brückmann
PhD Candidate both at ISTP and D-GESS at ETH Zürich

Luc Tschumper
Project Manager Mobility Academy & Deputy Managing Director Verband Swiss eMobility

Hannah Wise
Host, Moderator, Business Journalist, Broadcast and Media Coach

Virtual Informal Drinks: Biomimicry – Learning from the Genius of Nature

September 9th, 2021

Asha Singhal
Executive Design Lead at Biomimicry Frontiers & Research Advisor of Sustainability at Biomimicry Academy

Virtual Thematic Event: The Need for Climate Resilient Food Systems

June 2nd, 2021

Prof. Johan Six
Professor in Sustainable Agroecosystems at ETH Zurich

Fabrizio Arigoni
Head of Plant Science at Nestlé

Virtual Informal Drinks: Das Co2-Gesetz im Visier

May 25th, 2021

Patrick Hofstetter
Head of climate and energy policy at WWF Schweiz

Virtual Thematic Event: Hydrogen & its Potential in the Energy Transition

May 19th, 2021

Prof. Dr. Rolf Wüstenhagen
Academic Director, Renewable Energy Management & Managing Climate Solutions at HSG

Franziska Steidle-Sailer
Strategic Market Development Manager at AQUON

Rainer Deutschmann
Head of Corporate Security & Traffic Management at Migros-Genossenschafts-Bund

Christoph Sutter
Head Division Renewables (PV, Wind, H2 and Battery Storage in Europe) at Axpo

Networking Event Series – Biodiversity Informal Drinks

May 11th, 2021

Alice Balmer
Sustainability Analyst at Forma Futura

Networking Event Series – Protecting Biodiversity

April 22nd, 2021

Prof. Dr. Judith Walls
Professor & Chair Sustainability Management at HSG

Christine Crosby
Group Sustainability Director at Hero Group

Renata Pollini
Head of Water & Biodiversity at LafargeHolcim

Franka Bosman
Sustainability Manager at AXA Switzerland

Dominic Ziegler
Founder & CEO at Arbofino AG

Amandine Favier
Head Sustainable Finance at WWF Switzerland

Virtual Thematic Event: Careers in Sustainability – Stories of Sustainability Professionals

April 19th, 2021

Neelke Verhelst
Global Sustainability Operations Lead at Barry Callebaut Group

Ladina Schröter
Public & Regulatory Affairs Manager at Planted

Anian Schreiber
Founder & Managing Director at Koa Group

Sabine Loetscher
Head Stakeholder Engagement Human Rights & Social at LafargeHolcim

Liesbeth Deddens
Product Marketing Manager at Climeworks

Virtual Thematic Event: From Linear to Circular – How A Circular Economy Can Help Reach Our Climate Goals

March 25th, 2021

Patricia Matzdorf-Gobeli
Senior Partnership & Project Manager, Innovation & Socio-Economic Change at WWF Switzerland

Caspar von Daniels
Project Manager Circular Business Innovation at Circle Economy

Virtual Informal Drinks: World Water Day

March 22nd, 2021

Samuel Renggli
Head of WASH & Knowledge at Wasser für Wasser (WfW)

Virtual Thematic Event: To Engage or Divest? Strategies to Solve This ESG Investors’ Dilemma

March 11th, 2021

Taeun Kwon
Head of Wealth Management Programs at CSP, University of Zurich

Ellen Quigley
Advisor to the CFO & Senior Research Associate at CSER, University of Cambridge

Julian Kölbel
Postdoctoral Researcher at CSP, University of Zurich

Matthias Narr
Head Engagement International at Ethos Foundation

Emma Farrell
ESG Distribution & Advisory at Credit Suisse Asset Management

GreenBuzz Zurich x One Planet Lab: How to Host Brilliant Online Events

February 25th, 2021

Nick Owen
Business Director Switzerland at wtv

Rachel Dale
Events Manager at GreenBuzz Zurich

Erin Duddy
Online and Next Gen Programme Lead at CSP, University of Zurich

Virtual Informal Drinks: Engage or Divest? Strategies for Sustainable Investing

February 11th, 2021

Lisa Lange
ESG Engagement & Stewardship, EOS at Federated Hermes

Virtual Workshop: How to Build A Sustainable Business Model

February 10th, 2021

Martha Velasco
Co-Founder & Managing Director at 2get-there

Roy Franke
Co-Founder & Managing Director at 2get-there

Virtual New Year’s Drinks: Hot Topics 2021!

January 26th, 2021

Virtual New Year’s Thematic Event: Inspiration for A Decade of Change

January 14th, 2021

Anian Schreiber
Founder & Managing Director at Koa

Marie Griesmar
Co-Founder at rrreefs

Res Witschi
Delegate for Sustainable Digitalisation at Swisscom

Vanessa Rueber
Enviro Marketing Operations Coordinator at Patagonia

Pauline Treis
Founder & CEO at Jungle Folk

Matthias Narr
Head Engagement International at Ethos Foundation

Barbara Luchsinger
Project Manager Transformation at Energie 360° AG

Virtual Thematic Event: Sustainable Buildings – Making Retrofitting the New New!

December 1st, 2020

Marcel Brülisauer
Head Of Product Management Solutions at Energie 360° AG, Co-Founder Netto Null Kollektiv

Virtual Informal Drinks: Impact Washing – How to Spot and How to Avoid

November 25th, 2020

Virtual Thematic Event: The Responsible Business Initiative – A Gamechanger for Sustainable Development, or Not?

November 10th, 2020

Sybille Baumgartner
Director & Co-Founder bei focusright ltd

Isabelle Schluep
Head of Sustainable Impact at CCRS, University of Zurich

Manuel Rotzinger
Public Affairs Leader IKEA Switzerland

Virtual Unconference: Migration – Underrepresented But Key to Achieving the SDGs

October 27th, 2020

Marie Froehlicher
ESG Specialist at S&P Global


Kristina Touzenis
Managing Director KP&K Impact Solutions, former Head of International Migration Law Unit at the IOM

Thematic Event: Food Production & Technology – Greener Together?

October 6th, 2020

Urs Niggli
Director at FiBL

Frits Vranken
CCO at AgroSustain

Pierre Kauffmann
Blockchain Leader Switzerland at IBM

Mounia Boujija
Head of Portfolio & Brand Management at Chocolat Frey AG

Informal Drinks: Road to Regeneration – Resilience Through Networking

October 1st, 2020

Rachel Joyce-Gibbons
Head of Agriculture Debt Investments, Latin America at responsAbility Investments AG

Dirk Dijksma
Head of Innovation Investments at Symbiotics

Virtual Unconference: Equality and Why It’s Integral to Sustainability

September 17th, 2020

Aysha Van de Paer
Gender Equality Activist, Founder of investlikeaysha

Jan Reynders
Gender Justice and Sustainable Development Consultant and Activist

Thematic Event: How Can Tourism Become a Force For Good?

September 10th, 2020

Luigi Cabrini
Chairman of the board at GSTC

Franziska Altenrath
Managing Director at Tutaka

Carlos Martin-Rios
Associate Professor of Management at EHL

Daniela Schöb
Sustainability Manager at Zurich Tourism

Virtual Unconference: How to Succeed in Switzerland’s Energy Transition

July 7th, 2020

Massimiliano Capezzali
Professor in Energy and Head of Energy Competence Center at HEIG-VD

Sandra Klinke
Head of the Energy Department at Amstein + Walthert

Christian Bach
Head of the Move Demonstrator and the Automotive Powertrain Technologies Lab at Empa


GreenBuzz Joint Event: Post Covid – Our Opportunity for a More Sustainable World

June 25th, 2020

Falko Paetzold
Founder of GreenBuzz & Managing Director at CSP, University of Zurich

Jonathan Normand
Founder & Executive Director at B Lab Switzerland

Meera Ghani
Policy Coordinator at Ecolise

Henrik Nordborg
Programme Director at HSR & Professor of Physics at IET

Virtual Informal Drinks: Gender Lens Investing – Hype or Opportunity?

June 11th, 2020

Olga Miler
Award-winning Innovator, Entrepreneur & Co-Founder of Smart Purse


Virtual Unconference: Can Covid-19 Create Positive Momentum for Systems Change

May 26th, 2020

Beat Ringger
Swiss author and executive director of the Denknetz think tank

Joséphine von Mitschke-Collande
Systems Innovation and Ecosystem Lead for Climate-KIC

Virtual Thematic Evening: EU Action Plan – A Gamechanger for the Financial Industry

May 12th, 2020

Emma Farrell
Asset Management at Credit Suisse

David Simeon
Policy Change Manager at Credit Suisse

Alexandra Molnár
Management Consultant at Accenture

Beate Born
Executive Director at UBS


Virtual Informal Drinks: Pesticide-Free Agriculture

May 7th, 2020

Niklas Möhring
Consultant & Postdoctoral Researcher at ETH Zurich

Gabriele Mack
Expert from Agroscope

Virtual Unconference: Prioritize Your Organization’s Efforts to Tackle Climate Change

April 28th, 2020

Stephen Neff
CEO at myclimate – the Climate Protection Partnership

Renée LaPlante
Consultant and Founder of Decarbonista

Bastien Girod
Director at South Pole, Lecturer at the University of Lucern & Member of the National Council


Virtual Workshop: Intercultural Competence

April 7th, 2020

Nadja Scherrer
Impact Strategist, Intercultural Communication & Diversity Expert, Associate of the Social Impact Boutique PLUS305

Virtual Informal Drinks: EU Action Plan

April 2nd, 2020

Kelly Hess
Sustainability and Sustainable Finance Expert, Director of Projects at Swiss Sustainable Finance.

Virtual Workshop: Sustainability Communication

March 26th & April 30th, 2020

Andreas Renggli
Communication Expert and Associate of Polarstern Communication Agency

Moderator Training: Unconferences

February 27th, 2020

Duane Raymond
Campaign Strategist, Managing Director and Founder of FairSay

Innovative Breakfast: Blended Finance – Mobilizing Private Capital for Impact

February 6th, 2020

Stephanie Bilo
Chief Client & Investment Solutions Officer at responsAbility Investments AG

Maya Ziswiler
Executive Director, Programs and Social Finance at UBS Optimus Foundation

Markus Schnell
Deputy Head of Section at SECO

Taeun Kwon
Head of Wealth Management Programs at CSP, University of Zurich

Thematic Evening: Towards a Circular Plastics Economy

January 23th, 2020

John Duncan
Experienced environmental expert currently leading the Global Initiative: No Plastics in Nature at WWF

John Revess
Director of Plastics and Packaging at WBCSD

Christine Zwahlen
Project Manager Sustainability at Federation of Migros Cooperatives

Hanna Krayer
Project Manager Sustainability at Federation of Migros Cooperatives

Sarah Schumacher
Responsible Packaging at Lush

Simon Sudbury
Moderator and former Director of BBC Music & Entertainment and EMEA

GreenBuzz Annual Christmas Dinner

December 12th, 2019

This image has an empty alt attribute; its file name is download-e1577956324860.jpg

Earthling Ed aka Ed Winters
Vegan spokesperson, educator, author, filmmaker and Co-founder of Surge

Workshop: ESG Implementation – Beyond Box-Ticking

November 19th, 2019

Claudia Würstle
ISSP Sustainability Associate and Consultant at HCM International

Dr. Tamara Maria Teves
Legal Advisor at MME Legal Tax Compliance

Thematic Evening: Addressing the Energy Transition – Filling the Gap

October 29th, 2019

This image has an empty alt attribute; its file name is EMPA_Ruedisueli_650.jpg

Dr. Martin Rüdisüli
Research associate at the EMPA research centre for Materials Science and Technology

This image has an empty alt attribute; its file name is 0.jpg

Franziska Steidle-Sailer
Strategic Market Development Manager at AQUON

Dr. Christian Zeyer
PhD in physics, is the managing director of Swisscleantech

Dr. Matthias Gysler
Chief Economist at the Swiss Federal Office of Energy (SFOE) and lecturer in microeconomics at ETHZ

Innovation Breakfast: The Future of Mobility and Spatial Planning in Switzerland

October 2nd, 2019

Prof. Claudio Büchel
Professor of traffic planning at HSR (Hochschule für Technik Rapperswil)

 Linus Grob
Employee at the Swiss Federal Railway’s long-term planning unit, tasked with identifying potentials for improving mobility in Switzerland in 2040+

Han van de Wetering
Architect with an MSc in Urbanism and founder of the urban design studio Van de Wetering Atelier für Städtebau

Innovation Breakfast: How to Communicate Sustainability to Your External Stakeholders

September 26th, 2019

Manuela Huck-Wettstein
Senior sustainability consultant at Sustainserv

Robert Dornau
Director of ESG Benchmarking at RobecoSAM

Andreas Renggli
Owner of communication agency Polarstern AG

Gabriel Hansmann
Research analyst for Globalance Bank

Philipp Bachmann
Senior research and teaching associate at the Institute of Mass Communication and Media Research (IKMZ) at the University of Zurich

Margreet Groot
Global communications lead for Cocoa Life, the cocoa sustainability program of Mondelez International

Unconference: Challenges of Sustainability Professionals

September 18th, 2019

Duane Raymond
Campaigning strategist, innovator, founder and managing director of FairSay Ltd

Neelke Verhelst
Global Sustainability Operations Lead at Barry Callebaut

Thematic Evening: Blockchain for Sustainable Supply Chains

June 20th, 2019

Sabine Loetscher
Senior Head of Sustainable Markets & Deputy Head of Markets at WWF Switzerland

Harald Rauter
Senior Innovation Specialist at Climate-KIC

Thematic Event: Die Zukunft der Städtischen Mobilität

April 4th, 2019


Pascal Kienast
Collaborator at the SCCER CREST, Swiss Competence Center for Energy Research and co-founder of CLEMAP

Stephan Parlow
Research assistant and doctoral candidate (Fachbereich Nachhaltigkeitsforschung) at the University of Basel

Thomas Stoiber
Environmental expert in mobility and transport at the Building Department Canton Zurich

Christina Spoerry
Leader of the team ‘traffic and urban spaces’ at the Civil Engineering Departement of the City of Zurich

Tabea Leibundgut
Project manager at the innovation lab of the AMAG Group 

Thematic Event: Why Construction Materials Matter

April 2nd, 2019

Beat Ryhner
Head of Shared Services & Headquarters at the Department for Economic Development of the Canton Zurich

Dr. Holger Hendrichs
Head of Sales and Marketing at GreenTEG AG

Olivier Enger
Senior Innovations Manager and Technology Scouting at BASF Schweiz AG

Innovation Breakfast: World Water Day

March 22nd, 2019

Bella Roscher
Project Manager Business and Consumption at WWF Switzerland

Joanne Wong
Marine Ecologist and Independent Environmental Consultant

Alexandra Frank
Senior Consultant at South Pole, Team for Corporate Water Stewardship and Supply Chains

Thematic Event: Supply Chains Beyond Reputational Risk

March 12th, 2019

Dr. Bastien Girod
Regional Director at South Pole, Member of Parliament, Scientist & Lecturer at ETH Zurich and Corporate and Industry Consultant

Naomi Rosenthal
Principal & Deputy Director and Expert in Sustainable Supply Chains at South Pole

Sarah Vowles
Senior Sustainability Manager at IWC

Thematic Evening: Advocating Climate Friendly Business Events

February 26th, 2019

 Uta Kroll
Head of the Convention Bureau at Zurich Tourism

Frank Marreaux
Former Managing Director of MCI Switzerland

Anders Tellefsen
Global Category Management & Procurement Lead at Takeda Pharmaceuticals International AG

Thematic Event: Innovation Against Food Waste

January 31st, 2019

Dr. Fanny Brun
Behavioural Economist

Dr. Claudio Beretta
Research Associate at ETHZ and President of Food Waste Switzerland

Naomi MacKenzie
Co-Founder of Kitro

Lucie Rien
Country Manager of TooGoodToGo Switzerland

Monica Cipelletti
Co-Founder and CEO of ZüriChips and Team Enabler at Stride