GREENTECH FESTIVAL SPEAKERS

Sebastian builds global networks that accelerate Climate and Urban Tech solutions, advising startups and organizations across Europe, Asia, and the U.S. Known for creating high-impact programs and unlocking world-class opportunities, Sebastian bridges ecosystems through strategic partnerships and international expansion. With a background in business development, he drives urban transformation by connecting startups, investors, and city leaders worldwide. As Director Innovation at Climate Tech Hub, he amplified his role as a driving force in sustainable tech on the global stage.

Sophia is CMO at 1KOMMA5°, platform for carbon neutral energy, heat and mobility. She is business psychologist, author and has been shaping innovation in the digital energy and mobility environment for 15 yrs. As CEO, she founded & managed the blockchain company bloXmove, which was created following a management buy-out with Mercedes-Benz. Sophia was a bitkom board member & advised politicians on blockchain issues & is involved as an international keynote speaker, podcast host and moderator.

As CEO of Schools at 42 Berlin and 42 Wolfsburg, Stephanie Levy leads two innovative software engineering institutions that are part of the global 42 network with headquarters in Paris.
Stephanie is focused on tech, global education and sustainability, and she welcomes new challenges with transformational impact.

I have been working in the cement industry for over 20 years. Originally from a process chemistry background, I have been interacting with cement customers and developing new solutions with and for them – initially the focus was on minimizing the cost of operations, but recently the discussions have shifted to reducing emissions as well.

– Allg. Maschinenbau, Hochschule Duisburg-Essen
– Promotion Materialwissenschaften RWTH Aachen
– Gründung Accurec-Recycling GmbH, Geschäftsführer > 1995
– Aufbau Recyclingwerk Mülheim/Ruhr
– Auf- und Ausbau Werk Krefeld

My journey with AfB began in 2004 when I started studying business administration at the Cooperative State University in Karlsruhe. From day one, I was actively involved in building and developing the company from a small start-up to a market leader in IT refurbishment with over 20 locations in 5 countries. I have been part of the management team in Germany since 2009 and succeeded AfB founder Paul Cvilak as CEO in 2024.

Claudia Oeking ist Radiojournalistin und Betriebswirtin. An der Schnittstelle von Öffentlichkeit, Medien, Politik und Wirtschaft, an der sie arbeitet, ist Nachhaltigkeit – im weiten Wortsinn – immer zentraler geworden. Bei der EnBW verantwortete sie den Bereich Kommunikation für die Kernkraft. Bei Philip Morris Deutschland war sie Geschäftsführerin und für den Politik- und Regulierungsbereich sowie die Unternehmenskommunikation, Nachhaltigkeit und Corporate Responsibility zuständig. Seit 2023 leitet sie als Vorstandsbeauftragte für Politik- und Regierungsangelegenheiten bei Airbus den Bereich Public Affairs in Deutschland.”

I first studied Economics and Public Governance before pursuing a master degree in Soil Science at the Technical University of Munich (TUM). Along the way, I worked with several deep-tech start-ups in the fields of biotechnology and sustainability, which gave me valuable insight into innovation at the intersection of science and impact. Most recently, I co-founded a soil regeneration start-up to help accelerate the transition toward more resilient and regenerative land use.

Managing Director at Allianz Capital Partners (ACP) in the direct infrastructure investment team in Munich, Germany. Joined ACP in 2012 and has worked on multiple infrastructure transactions in different sectors across various geographies. ​Current focus is on development of infrastructure investment opportunities in the area of energy transition. Led and is responsible for ACP’s first two direct investment in the sector: Finnish green power-to-gas developer Ren-Gas in 2022 and Norwegian green ammonia project developer FUELLA in 2023.​

Finance, Real Estate

Berlin-raised Co-founder at arcneo, inventing sustainable apartments as an asset class.

Maikel has been developing impact tech for datacenters & digital infrastructure for over 15 years. His expertise covers innovation, product and growth management, with strategic partnerships at the core. Since 2017 at the Dutch scale up Asperitas, thermal management for datacenters and compute infrastructure since 2017.He has been involved and lead more than 15 public-private innovation projects both national and EU, currently one of the leaders of the Modular Integrated Sustainable Datacenter Project in the 8ra (IPCEI-CIS) program.

Jessica Hyman is the Chief Sustainability Officer at Atlassian. She’s responsible for Atlassian’s Climate, Human Rights, Responsible Technology, and Sustainability Governance programs, as well as the Atlassian Foundation, which drives the company’s philanthropic efforts.Since joining Atlassian, Jessica built the company’s climate strategy from the ground up—securing 100% renewable electricity for operations, setting a Science-Based Target to achieve net-zero emissions by 2040, and introducing the “Don’t #@!% the Planet” guide. She also led the development of Atlassian’s Human Rights program.

Jen is the founder and CEO of atmo. With firsthand experience navigating the complexities of global food supply chains during her time at PepsiCo, she’s now leading innovation at the intersection of climate finance and food systems. At atmo, she’s enabling decarbonisation projects through partnerships with banks and food companies. Jen is a go-to expert on food supply chains, Scope 3 emissions, green financing, and the transition toward a more sustainable food system

Valerie Hutterer is the Head of Market for the DACH region and the Netherlands at AXA Climate, where she works with organisations to build climate resilience through education and strategic partnerships. With a background in strategy and corporate transformation, she helps companies future-proof their workforce and embed sustainability into their core business.

Before joining AXA Climate, Valerie gained international experience at the European Parliament, in global NGOs and international organisations, where she focused on policy, stakeholder engagement, and impact-driven initiatives.

Here to make sustainability fair, accessible and action-oriented in companies

Sebastian Herzog ist Co-CEO bei hy und leitet die Bereiche Innovation, Ventures, Web3 und Metaverse. Zuvor gründete er den Lufthansa Innovation Hub und war über zwölf Jahre bei Lufthansa in strategischen Rollen tätig. Er vereint Startup- und Konzernerfahrung, ist Gründer mehrerer Unternehmen und gefragter Redner zu Transformation und Innovation.

Jochen Ahlswede heads the Research/International Affairs Department at BASE. He studied physics and political science and is particularly interested in issues of nuclear arms control and non-proliferation. From 2012 to 2016, he worked at the Federal Office for Radiation protection to deep geological Final storage radioactive waste. Starting in 2016, he helped establish BASE, initially in the presidential office, and in 2020 he took over as head of the research department.

Studium Technische Chemie 1995-2000 (Hochschule Nürnberg, Massachussetts Institute of Technology)
Eintritt BASF SE im Jahr 2001 (Verfahrensentwicklung Biotechnologie), seit 2007 verschiedene Aufgaben im Bereich Nachhaltigkeit: Lebenszyklusanalyse, Energiemanagement, Carbon Steering / Corporate Sustainability
Derzeit zuständig für die Strategie der BASF zum freiwilligen CO2-Markt

Johanna is a Managing Director & Partner at the Boston Consulting Group and globally leads the BCG’s Climate & Sustainability business in the Automotive & Mobility industry. She works with
OEMs, n-tier suppliers and raw materials companies on ESG, climate, circularity & biodiversity transformations.