Claes Kollberg

Claes Kollberg has a diverse work experience spanning various roles and industries. Claes is currently a Breakthrough Energy Fellow at Breakthrough Energy. Prior to this, Claes co-founded CemVision in 2019, where they served as the Chief Technology Officer. Claes also worked as a Management & Technical Consultant at Kollberg Sustainable Engineering from 2019 to 2022, focusing on sustainability strategies for companies like HYBRIT and Vattenfall. Earlier in their career, Claes held positions such as Project Manager, Plant Manager, and Environmental Manager at Cementa AB and Operations Manager at Twiga Cement. Claes also worked at Cimgabon as a Maintenance Coordinator/Maintenance Manager and at Frans Schartau's High School as a High School Teacher. Claes has a strong background in project management, engineering, and sustainability, and has extensive experience in the cement industry.

Claes Kollberg holds a MSc in Mechanical Engineering with a specialization in Energy Technology from KTH Royal Institute of Technology, which they obtained from 1996 to 2002. In 2000, they pursued their master thesis in Energy Technology at the University of Cape Town. Prior to that, from 1998 to 1999, Claes studied Genie Energetique at INSA Lyon - Institut National des Sciences Appliquées de Lyon. Claes also holds 120 ECTS in Theology from Stockholm School of Theology, where they studied from 1993 to 1996. Claes completed their secondary education at Birger Sjöberggymnasiet, although no specific degree or field of study is provided for this period.