William S. Kaiser

Director, Red Hat.

Companies

Red HatBoard member Aug 15, 2006 to Jul 9, 2019¹
Constant ContactBoard member Oct 2, 2007 to Feb 10, 2016²

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARRed Hat, Board member
2
SEC EDGARConstant Contact, Board member