Gemma Postlethwaite is Arizent’s CEO, responsible for the company’s multiple brands which advance professional communities by providing insights and analysis and convening industry leaders. Prior to joining Arizent, Postlethwaite served as CEO of PIRA Energy Group, where she led a major transformation of the company and established PIRA as a leading integrated, research and data provider to the global energy markets. In 2016 Postlethwaite 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 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 various leadership positions spanning from product to commercial management and led the channel partnership business for the Investment and Advisory Division.

Additionally, Postlethwaite is a board member at GLG (the Gerson Lehrman Group), member of the supervisory board at TomTom (TOM2.AS), and a board member at the New York board of the All Stars Project.

She is a graduate of the University of Kent.