<Li> compromises the privacy of users . </Li> <P> The following people have served as chair of the IAB: </P> <Ul> <Li> David D. Clark - 1981 to July 1989 </Li> <Li> Vint Cerf - July 1989 to July 1991 </Li> <Li> Lyman Chapin - July 1991 to March 1993 </Li> <Li> Christian Huitema - March 1993 to July 1995 </Li> <Li> Brian Carpenter - July 1995 to March 2000 </Li> <Li> John Klensin - March 2000 to March 2002 </Li> <Li> Leslie Daigle - March 2002 to March 2007 </Li> <Li> Olaf Kolkman - March 2007 to March 2011 </Li> <Li> Bernard Aboba - March 2011 to March 2013 </Li> <Li> Russ Housley - March 2013 to March 2015 </Li> <Li> Andrew Sullivan - March 2015 to March 2017 </Li> <Li> Ted Hardie - March 2017 to present </Li> </Ul> <Li> David D. Clark - 1981 to July 1989 </Li>

Who oversees the iab (internet architecture board)