September 23, 2025

Energy pioneer Tonio Buonassisi to lead CSEM’s Sustainable Energy from January 2026

  • MIT professor and solar innovation leader, Tonio Buonassisi, to take over as VP of Sustainable Energy at CSEM on 1 January 2026.
  • Appointment strengthens CSEM’s mission to accelerate technology transfer and impact.
  • Professor Christophe Ballif remains on board as Scientific Advisor after over a decade of groundbreaking leadership.
Tonio B and Christophe B
© CSEM - Passing the torch: Professors Tonio Buonassisi and Christophe Ballif in front of CSEM’s photovoltaic test panels in Neuchâtel.

Additional information

CSEM

Ada Hinrichs

Head of Marketing & Communication

+41 78 658 40 42

media@csem.ch

Tonio Buonassisi
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Tonio B and Christophe B
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