Gemma Postlethwaite became CEO of arizent (formerly SourceMedia) in April of 2018. Prior to joining arizent, Gemma was CEO of PIRA Energy Group where she led a major transformation of the company and established PIRA as the leading integrated, research and data provider to the global energy markets. In 2016 Gemma led the sale of PIRA Energy Group to S&P Global.Postlethwaite has spent several years in leadership roles in the business information sector. Prior to joining PIRA Energy Group, she was SVP, Strategy and Operations at Altegrity, a global provider of risk and compliance solutions; and Chief Product Officer and President of Infogroup’s SMB business unit. She also spent eight years at Thomson Reuters in leadership positions spanning product and commercial management and led the channel partnership business for the Investment and Advisory Division.