Our Leadership Team.

Glenn Oellermann
Chief Executive Leader
Glenn Oellermann has held executive leadership positions at HIF since 2005. He has served as Chief Financial Leader since 2011, before assuming his current role as Chief Executive in 2025. He is responsible for guiding HIF to deliver on its commitment to support its members to lead healthier lives – and continue to foster confidence in the private health insurance sector.

Andrew Fraser-Gillard
Chief Financial Leader
Andrew Fraser-Gillard has responsibility for the finance, member benefits, member processing and procurement functions at HIF. With over two decades experience in finance related general insurance roles, Andrew ensures HIF remains financially prudent with an emphasis on providing value to members.

Belinda Goosen
Chief Risk Leader
Belinda Goosen leads the risk, compliance, and conduct functions at HIF. Her focus is to maintain a strong risk culture that meets regulatory expectations, while putting members’ interests first. Prior to joining HIF, Belinda held senior management positions in consultancy, specialising in risk advisory.

Nikesh Hirani
Chief Data & Proposition Leader
Nikesh Hirani oversees HIF’s product, health services, and data analytics teams. With over a decade of experience in the private health insurance sector, he focuses on leveraging data-driven insights to support sustainable product development and enhance HIF’s member value.

Jennifer O’Brien
Chief Member and People Leader
Jennifer O’Brien oversees HIF’s member experience and people experience functions. She is passionate about building an engaged, inclusive and high-performing team at HIF to help the business deliver its strategy – and ensuring HIFs internal culture aligns with the experience it delivers to its members.

Kristina Green
Chief Marketing and Growth Leader
Kristina Green shapes, drives and executes HIF’s marketing and growth strategies. With a depth of marketing leadership experience, at HIF Kristina is focused on building the brand, high-impact campaigns and developing strategic partnerships to drive member growth and engagement across all distribution channels.

Billy Martin
Chief Information Leader
Billy Martin leads information security, business solutions and project management at HIF. Billy has led large scale digital transformation programs to drive innovation and operational efficiency in complex business environments. With extensive experience spanning software development and IT architecture, he is focused on harnessing technology to empower teams and improve HIF’s member experience.