Critical. Innovative. Pioneering. SEEP Alumni.

Discover the many different paths SEEP alumni have taken. From entrepreneurship to research. From policy to business.

Stella Eckl presenting on stage

Halliki Kreinin

Researcher

Halliki Kreinin’s path from SEEP to EU research highlights how academic depth, community, and purpose can shape a meaningful career in sustainability.

Stella Eckl

Consultant

At EY denkstatt, Stella Eckl works where business meets transformation. She shares how consulting can be a platform for change.

Ambroise Centelles

UN Consultant

At the United Nations, Ambroise Centelles uses his SEEP foundation to drive global sustainability through international collaboration.

Portrait of Roman Hausmann

Roman Hausmann

Researcher

From juggling lectures to shaping the next generation of critical thinkers, Roman Hausmann shows how research and teaching can become powerful tools for real-world transformation.

Portrait of Roman Hausmann

Krisztina Campbell

Climate Policy Expert

Krisztina Campbell set out to understand how economies can truly support people and the planet. At C40 Cities, she’s turning that vision into action, advancing climate solutions grounded in fairness and inclusion.

Portrait of Roman Hausmann

Sebastian Linder

Sustainability Expert

From SEEP to the Vienna Economic Chamber. Sebastian Linder shares how he built a sustainability program from the ground up and turned quiet beginnings into a city-wide initiative.

Portrait of Roman Hausmann

Otto Luis Barnert

Climate Finance

Otto Luis Barnert reflects on finding purpose inside complex systems and navigating the contradictions of working in climate finance while staying true to his values.