Technology related:

RHCE - Red Hat Certified Engineer - October 2008
RHCI - Red Hat Certified Instructor - October 2009
RHCVA - Red Hat Certified Virtualization Administrator - September 2010

 

Other:

RHPPCS - Red Hat Partner Platform Certified Salesperson - October 2011
RHPVCS - Red Hat Partner Virtualization Certified Salesperson - October 2011
RHPMCS - Red Hat Partner Middleware Certified Salesperson - October 2011