Holger Rubel leads Boston Consulting Group's green energy work and is a core member of the firm’s Energy; Technology, Media & Telecommunications; Social Impact; and Corporate Finance & Strategy practices.

Since joining BCG in 1997, he has acquired deep knowledge and experience along the value chain and worked with a broad array of stakeholders, such as equipment manufacturers, OEMs, project developers, utilities, independent energy-service companies, and investors.

Holger’s work in the areas of green energy and sustainability has taken him to all corners of the world to oversee and coordinate projects in solar, wind, energy efficiency and storage, biomass and biofuels, carbon related topics, and other areas.

Before joining BCG, Holger was a research assistant at the Max Planck Institutes in Stuttgart.


  • PhD, physics and semiconductor technology, Max Planck Institutes
  • MPhil, physics and mathematics, University of Heidelberg and University of Cambridge