Michel Goossens has been involved with LATEX for close to twenty years and was responsible for scientific text processing at CERN until his retirement. Frank Mittelbach, a Senior It Professional, leads the LATEX maintenance and development since 1989. Sebastian Rahtz (1955-2016) has been an Information manager at Oxford University Computing Services and throughout his life very active and influential in the TEX community, e.g., initiator of TEXLive, author of hyperref and a variety of other LATEX packages. Denis Roegel, a professor at the University of Nancy in France, has been involved in LATEX since 1991, with a special interest in graphics. Herbert Voß maintains the PSTricks packages, which play a central role in LATEX graphics and is for a long time a lecturer at the Free University in Berlin and well known for his LATEX courses.