Hariharsudan Sivaramakrishnan Radhakrishnan is currently a Senior Researcher in the Photovoltaics (PV) group at imec. In 2014, he obtained his PhD degree from KU Leuven, Belgium, for his research at imec on porous silicon-based gettering and epitaxial Si lift-off for solar cell applications. He received the EMRS Young Scientist Award in 2012 and the imec scientific excellence award in 2014. As a researcher, he has garnered experience in a wide range of fields from Si materials to modules and systems. He has (co-)authored >50 publications and 7 patents. He has been involved in >12 public and industry-funded cross-organizational projects over the last 10 years. Currently, he is involved in the development of industrial large-area perovskite-silicon tandem solar cells and modules, and is also responsible for shaping the strategy of this focus area.