In 2003, Sebastian gained his diploma of chemistry at the university of Marburg and finished his PhD in applied physical chemistry in 2006. He joined Merck in 2006 as lab manager for quality control. In 2009 he took over the group lead for process intensification. He led different worldwide projects for NPI and new technology implementations. Since 2018 he is the portfolio / innovation manager in the engineering department and the principal project lead for the smart manufacturing initiative in Merck.