About

Our Service Leadership Team

David Josephson

General Manager Transactional Services

David joined Manawanui in May 2026 to be part of an organisation making a genuine difference in the disability sector. A chartered accountant, he has a wealth of experience in financial and digital transformation, with a track record of enabling operational excellence.

Responsible for Manawanui’s client payment, billing and payroll operations, David drives continuous improvement across these services, ensuring they are efficient, scalable and centred on the customer experience.

“It's heartening to work for an organisation where everyone is fully aligned to its purpose. We are dedicated to empowering disabled people and their whānau to have more choice and control over how they live, turning funding management into a tool for genuine independence, rather than a barrier to it.”

Stef Edmonds

General Manager Customer Services

Stef leads Manawanui’s customer service operations, including the Customer Experience Centre, coaching support, customer comms, and feedback and complaints processes. She joined Manawanui because of its commitment to empowering people to live life on their own terms.

With extensive leadership experience across customer services and operational management, Stef is focused on building high-performing teams, improving customer experiences and driving continuous improvement across the organisation.

“I’m passionate about creating simple, effective solutions that make a real difference for customers while supporting our people to do their best work. I’m excited about finding new ways to make our services more accessible, responsive and empowering for the people who rely on them.”

Rachel Hamlin

General Manager Funder Services

Rachel joined Manawanui in April 2026, attracted by our kaupapa and commitment to improvement. She brings extensive operational leadership experience from the education sector.

Rachel’s expertise lies in building strong relationships with funders and key partners, including NASCs. She plays a vital role in ensuring funding agreements, contract performance and service expectations are effectively managed, helping to deliver positive outcomes for all stakeholders, especially our customers.

“Manawanui is about empowering people to live the lives they choose. The people we support bring unique strengths, aspirations, and perspectives. It’s a privilege to work alongside them as they pursue their goals and build meaningful lives in their communities.”