Arne Ballantine joined Bloom Energy in 2005 and is currently the Senior Director of Engineering. Prior to joining Bloom, Arne worked for five years for Plug Power as Head of Product Testing and Program Manager for their Honda vehicle refueling division, and spent four years with IBM Microelectronics as a Process Engineer. He holds 87 US patents including 58 related to semiconductors and 29 related to alternative energy technologies. He served in the United States Navy aboard submarine USS Florida, SSBN 728-Gold, departing the Navy after achieving Engineer certification. Arne has a BS in Physics from Harvey Mudd College.