Our Staff

Prudence Stone, Chief Executive Officer


Dr Stone has a Masters and PhD in sociology. She was previously Executive Director of the Smokefree Coalition, where she oversaw the national public health movement that encouraged the government’s commitment to the goal of a Smokefree Aotearoa by 2025.

She has been a member of the PHA since 2009, and became Co-Chair of the Wellington region PHA branch in 2018.

Fiona Blacklock, Chief Operating Officer 


Alyssa Nguyen, Accounts and Administrative Assistant


Alyssa plays a role in organisation infrastructure. She is managing diverse administrative responsibilities and accounting duties within the PHANZ. 

Alyssa has a Bachelor in Accounting and a Graduate Diploma in Strategic Management. She loves practising yoga, hiking and being out in nature.  

Libby Grant, Communications Advisor


Libby (Pākehā) has a policy and communications role in our team. She works on writing submissions and advocating policy, manages our policy development programme, manages our social media and is responsible for two of our online newsletters: PolicySpot and the Bulletin, and she also helps manage our website.

Libby has a Master’s degree in Public Health and also works at the Department of  Public Health, University of Otago, Wellington. Her area of research for her Master’s was the way policy has influenced the quality of private rental housing in New Zealand. She is a qualified physiotherapist, yoga practitioner, aspiring ballroom and Latin American dancer and nature lover.

Leah Bain, Policy Advisor



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