We Are ETH

Marine biologist and ETH alumna Dr. Ulrike Pfreundt shares her journey from rainforest activism to coral reef regeneration. As co-founder and co-CEO of RRREEFS, she is pioneering a novel approach to rebuilding lost reef ecosystems—using 3D-printed clay structures inspired by architecture, biology, and fluid dynamics. In conversation with host Susan Kish, Ulrike explains how coral reefs protect coastlines, why reef loss is accelerating, and how interdisciplinary collaboration at ETH Zurich sparked her mission. She speaks candidly about the challenges of scaling impact, the importance of transparency in climate work, and the need to rethink financial models for regeneration. From dive training on Elba to launching one of the world’s most innovative reef restoration startups, Ulrike’s story is a powerful testament to curiosity, purpose, and the power of science to heal ocean ecosystems.books mentioned in the episode:Bernhard Kegel - Graschapters:(00:32) Meet Dr. Ulrike Pfreundt and RRREEFS(01:27) The Meaning Behind RRREEFS(02:09) Corporate Values and Mission(03:32) Challenges and Goals in Coral Reef Restoration(06:00) Understanding Coral Bleaching(09:55) Dr. Pfreundt's Journey into Marine Science(12:49) Innovative Approaches to Reef Restoration(16:26) Interdisciplinary Collaboration at ETH(22:16) Final Thoughts and Reflections(27:32) Closing Remarks and Podcast Information

In this episode, host Susan Kish speaks with Professor Margarita Chli, a leading figure in robotic vision and autonomous systems. As the head of the Vision for Robotics Lab at ETH Zurich and the University of Cyprus, Professor Chli discusses how her research enables drones to perceive and navigate complex environments. She delves into the challenges of developing vision systems for autonomous drones, the potential applications in areas like wildfire management and search and rescue, and the importance of interdisciplinary collaboration in advancing these technologies. The conversation also touches on the ethical considerations of dual-use technologies and the role of curiosity in scientific discovery. This episode offers insights into the cutting-edge work at the intersection of robotics, AI, and real-world applications.Chapters(00:26) Meet Professor Margarita Chli(01:07) Understanding Vision in Robotics(03:24) Challenges in Robotic Vision(05:38) Swarm Robotics and Communication(10:56) Hardware vs. Software in Robotics(13:47) Drones in Warfare and Humanitarian Efforts(17:54) The Future of Robotics and AI(19:48) Personal Insights and Curiosities

In this follow-up episode, Benjamin Bollmann, CEO of Swissnex Brazil, delves into Brazil’s prominent role in global climate initiatives, particularly with the upcoming COP30 in the Amazon. He explains how Swissnex is working to foster international cooperation, focusing on the intersection of scientific research, local knowledge, and sustainable development. Benjamin also highlights Brazil’s potential as a leader in green energy and bio-economy, while emphasizing the importance of interdisciplinary collaboration to address climate challenges. Drawing comparisons between innovation ecosystems across Boston, Silicon Valley, Zurich, and São Paulo, he discusses how different approaches contribute to advancing sustainability solutions. This episode offers a grounded perspective on how countries like Brazil are positioning themselves within the global dialogue on climate action. Chapters:(01:36) Brazil on the World Stage(02:13) Swissnex Brazil and COP30(03:18) The Göldi Museum and Swiss Legacy(06:01) Innovation Ecosystems Around the World(07:55) Comparing Boston and Silicon Valley(11:54) Personal Insights and Reflections(18:23) Closing Thoughts and Farewellbooks mentioned in the episode:Facing Gaia – Eight Lectures on the New Climatic Regime (Bruno Latour)Lina Bo Bardi 100 – Brazil's Alternative Path to ModernismAmazonia by Marcio Souza

Benjamin Bollmann, CEO of Swissnex Brazil and a tech-savvy neuroscientist with roots in ETH Zurich and MIT, reveals his fascinating journey from skateboarding to science. He shares insights on adapting to São Paulo's vibrant culture and its intricate real estate. Benjamin discusses the stark contrasts in global innovation ecosystems, highlighting Zurich's research-driven methods against Silicon Valley's digital innovation. He also elaborates on Swissnex's role in enhancing global partnerships for Swiss startups, creating pathways for scientific collaboration.

Guillaume Othenin-Girard is an ETH Zurich alumnus, assistant professor at the University of Hong Kong, and co-founder of the Architectural Land Initiative. He delves into how architecture bridges history and social impact, sharing his experiences working on a Dezeen Award-winning project in Peru that emphasizes community and sustainability. He also discusses the challenges of teaching design during the pandemic, the significance of traditional construction methods, and the importance of interdisciplinary learning in shaping future architects.

Fabienne Ziadi Künzli, a Swiss fish ecologist and ETH Zurich alumna, shares her journey from academia to studying marine ecosystems in Okinawa. She discusses fascinating mudskippers—fish that can walk on land—and innovative techniques that reveal secrets of fish anatomy. Fabienne highlights the dire situation of sharks, emphasizing their importance in ocean health amid threats like climate change and overfishing. She reflects on her educational experiences at ETH Zurich and her commitment to reshaping public perceptions of marine conservation.

In this engaging conversation, Fabio Scafirimuto, the Education & Workforce Lead for IBM Quantum in EMEA and an ETH alum, demystifies quantum computing. He explains fundamental concepts like qubits and superposition, alongside the mysteries of entanglement. Fabio reflects on the challenges of making quantum tech accessible and discusses exciting career prospects in this innovative field. Additionally, he shares his personal journey from ETH Zurich to IBM and reveals his passions beyond physics, including a love for animals and the night sky.

Grace Crain-Wright, a plant ecologist and STEM educator, discusses her groundbreaking work on nutrient recycling for sustainable space travel as part of the European Space Agency’s MELiSSA project. She shares insights into the challenges of using human waste to nourish plants in space and highlights the potential benefits for Earth gardening. Grace also reflects on her journey in research and emphasizes the importance of STEM education through the GLOBE program, fostering curiosity and connection among future scientists.

Christophe Gence, CEO of Paprec Switzerland and a mechanical engineering alumnus of ETH, shares his transformative journey in the recycling industry. He delves into innovative technologies like AI-driven sorting and the recycling of PET bottles, emphasizing their importance in sustainable waste management. Gence discusses the cultural and technological shifts in recycling practices across Europe and highlights the future of lithium battery recycling. His personal stories reflect the value of networking and lifelong learning in navigating his career.

Mark Essam Zahran, co-founder and CEO of vertical farming trailblazer Yasai, discusses his leap from architecture to sustainable food production. He explains how innovative systems like hydroponics and aeroponics can revolutionize agriculture. The conversation covers the ecological benefits of vertical farming, including water conservation and local food sustainability. Mark highlights market challenges and the industry's potential, sharing his entrepreneurial journey and the importance of collaboration to reshape food systems.