Sarah Callaghan - INFINITE

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Sarah Callaghan

Sarah Callaghan

Account Manager

Sarah Callaghan is an account manager with nearly five years of agency experience spanning New Zealand and the UK. Sarah has a broad background in financial services and technology PR, with expertise in media relations, communications strategy and copywriting. 

Sarah joined GT from an international specialist financial services communications agency, where she worked with a range of global financial services organisations across asset management, insurance, banking and market infrastructure. Prior to moving to the UK, Sarah built her career at Pead in Auckland, one of New Zealand’s largest independent agencies, where she worked across health tech, wealth management, insurance and cybersecurity clients, among others. 

Sarah studied a Bachelor of Commerce in marketing and management at the University of Auckland. She is interested in using these foundations to take an integrated approach to communications. 

Jesse Dungan
08.04.2026

Lessons learned from the top 10 crises of Q2 2026


Jesse Dungan, Executive Vice President at Infinite, recently contributed to PRovoke Media’s review of the top corporate crises of Q2...

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The Infinite team