Dr. Oliver Brüning has a background in accelerator design, beam dynamics and machine operation. He started his career in accelerator physics ay DESY where he worked on non-linear beam dynamics studies for HERA and was part of the initial commissioning team of the HERA accelerator. He joined CERN in 1995, and became part of the LHC design team just before the formal LHC approval by the CERN council. Up to 2012 was working on the design and commissioning of the LHC and from 2005 until 2015 served as head of the CERN accelerator theory group. Since 2008 he has been coordinating the LHeC accelerator System studies and since 2010 he has been the deputy project leader for the HL-LHC project, an upgrade project to the LHC that is scheduled to finish its implementation by 2026.