Rackspace Selects Interim CFO

San Antonio-based Rackspace Hosting said late Thursday that it has named Karl Pichler as its acting CFO and Principal Financial Officer. Pichler is replacing Bruce Knooihuizen, who announced his retirement in February. Rackspace said it is conducting a search for the position. Pichler has been at Rackspace since 2005, and was most recently CFO, International and Global Treasury.