Our people

Alastair Rhodes

Alastair joined the NAB in 2020 as the representative from Philanthropy NZ. He was appointed CEO of BayTrust in 2015 and since his appointment has driven BayTrust to be one of the leaders in impact and sustainable investments in NZ. He has a passion for impact investing, both from its ability to help drive a more inclusive and sustainable society and also how impact investments can compliment and further diversify an investment portfolio.

Justine Sefton

Justine Sefton is a climate change and sustainability specialist, and former UNFCCC negotiator, with more than 20 years’ experience across public and private sectors internationally. Throughout her career, Justine has operated at the cutting edge of the shift to a zero-carbon, sustainable economy, and re-directing capital for that purpose. Justine formerly led KPMG New Zealand’s sustainable finance practice and recently worked with the Treasury on funding and financing the net-zero transition. Justine has worked for the New Zealand Superannuation Fund, AMP Financial Services (NZ) and Australian industry pension fund, Cbus, on climate change and broader responsible investment policy development, implementation and reporting and product design. Justine was a key contributor to The Aotearoa Circle’s Sustainable Finance Forum Roadmap.

Dean Hegarty

Dean collaborates closely with global and local asset managers, super funds, Kiwisaver providers, financial advisors, and wealth platforms to align capital with sustainable outcomes.

Dean is the Co-CEO of RIAA - an organisation that has 200+ investment organisation members who jointly manage over $5 trillion - where he works to elevate sustainability issues as core investment risks and opportunities, and shift capital to support a more sustainable, equitable and prosperous world. Prior to joining RIAA, he spent over five years at the Australian HR Institute (AHRI) as their General Manager, reporting to CEO and member of the Senior Leadership Team.

Jamie Newth

Dr Jamie Newth is the founder and CEO of Soul Capital which manages two impact funds, and leads various ecosystem building activities.

Tuhi Leef (Ngāpuhi, Ngāti Whātua)

Tuhi is the Chief Executive of Pillars Ka Pou Whakahou, a charity dedicated to supporting the children and whānau of people in prison across Aotearoa.
A values-driven leader, Tuhi has over 30 years’ experience spanning social services, education, and financial services. Before joining Pillars in 2023, he led a team to provide wraparound support programs for at-risk youth offenders and “ram-raiders” including the delivery of NZ’s first social bond. Tuhi is a Chartered Member of the Institute of Directors, and is on the boards of Financial Services Complaints Ltd, The Good Registry and Social Service Providers Aotearoa.

Glenda Taituha-Toka (MBA)

Glenda is of Maniapoto, Waikato and Ngaapuhi descent, and leads out tribal distributions for one of the largest post-settlement entities.  Her work includes supporting the design and implementation of a tribal Social Investment Fund with impact investment philosophy and behaviours.  Glenda is a strong advocate for integrated investment models that enable communities to design and lead, and is excited at the opportunity to increase collaboration within the sector, and define an Aotearoa approach to impact investment that puts communities at the heart of its impact.

Steven Moe

Steven is a Partner at Parry Field Lawyers with a focus on businesses and organisations – supporting purpose-led clients across Aotearoa with their legal structures and capital raising. Steven has worked as a lawyer for 25 years including overseas in Tokyo, London and Sydney, and is now based in Ōtautahi Christchurch. He is also the Chair of Community Finance which has raised more than $400 million for social housing, and he hosts Seeds podcast which has almost 500 episodes of conversations with inspiring people.

Dean Spicer

Dean has spent 25+ years in financial markets covering equities fund management and debt capital markets, both in New Zealand, the UK and continental Europe. Dean joined ANZ in 2006 on his return from London. In 2008, Dean was appointed Head of Capital Markets, a position he held until March 2020, when he was appointed to his current role as Head of Sustainable Finance NZ. His passion is to help foster the development of New Zealand’s sustainable finance market, with a particular interest in impact investment. He was awarded the Best Sustainable Finance Banker – New Zealand for 2025 by FinanceAsia.

Matthew Williams

Matthew has spent his career supporting good organisations and people to achieve meaningful impact. He works with Wealth Advisers, forpurpose partners, and private clients on governance, impact strategy, capital deployment, and stewardship of philanthropic wealth, and facilitates collaboration among funders and forpurpose entities. A former Chief Executive of Surf Life Saving, he led major improvements in governance, funding, and sector coordination. Over the past 15 years he has advised iwi, philanthropic trusts, Crown entities, private families, and global organisations on aligning capital, governance, and purpose in complex environments. He also serves as chair, director, and trustee across several forpurpose entities in Aotearoa New Zealand and internationally.

Joy Marslin

Joy has a background in financial services and holds a number of governance and advisory roles that leverage that background with a strong focus on enhancing better outcomes for New Zealanders and encouraging conscious, mindful decision making when investing or giving. 

Safe Wongsunopparat

Safe is the Oceania Director at The Social Investment Consultancy (TSIC), a global firm assisting impact investors, charities, and foundations with impact strategy, evaluation, and DEI. He acts as a strategic learning partner, supporting purpose-driven organisations to understand and scale their impact while challenging traditional power dynamics.

Safe brings extensive experience in impact investment, IMM, and the iNGO sector across the UK and Aotearoa New Zealand. Driven by a passion to scale impact through finance, he offers a unique blend of financial acumen and social impact to amplify marginalised voices, drive systemic change, and build a more equitable and inclusive society.