Michael Callahan is the vice president of global product marketing for the Security Business at Juniper Networks. Prior to Juniper, Callahan was the vice president of product and solution marketing, enterprise security products group at HP. Callahan joined HP through the acquisition of TippingPoint where he served as vice president responsible for corporate, field and product marketing. Prior to joining TippingPoint, he served as vice president and chief marketing officer for CREDANT Technologies. Callahan also spent seven years with McAfee in various marketing roles. He holds a bachelor’s degree in engineering from Ohio State University and a MBA from the University of South Carolina.