ESnet has conferencing infrastructure usable by SLAC folks

 Cal Tech and CERN have a homegrown solution called EVO

there are also video equipped conferencing rooms owned by:

LCLS (building 280) - Contact Helen O'Donnell

KIPAC (building 51) - Contact Ken Zhau, Stuart Marshall

Communications (trailer 266) - contact David Harris

DoE (building 41, A&E building) - contact Dolores Roman