Brendan Castle

Brendan Castle serves as the Chief People Officer at Zscaler, where responsibilities include developing and executing people and culture strategies aligned with the organization's strategic direction, focusing on areas such as talent management and change management. In addition to this role, Castle is a Board Advisor for HelloSky, which specializes in AI-driven precision hiring. Previous experience includes significant leadership positions at Google, where Castle was the Vice President and Global Head of Recruiting & People, overseeing large recruiting teams and strategies across multiple global product areas. Earlier, Castle held various senior roles at Citi, including Managing Director & Global Head of HR Shared Services, leading extensive HR operations across various regions. Brendan Castle holds multiple degrees in human resource management and leadership from prestigious institutions, including Wharton and Harvard Business School.