The Commissioner of Police (Commissioner) and the New Zealand Police Association Incorporated and the New Zealand Police Leaders’ Guild Incorporated (Police Service Organisations) have appointed a single corporate trustee, PSS Trustees Limited, to manage the scheme. The current directors of the trustee are:

Charlie Cahn

Charlie Cahn (Chair)


Professional director

Charlie is a consultant and actuary with over 20 years' experience in superannuation and investments as a trustee and adviser. Over that period, he has advised trustees on all aspects of superannuation, including funding, scheme design and investment strategy, and has also held a number of trustee roles. He is currently a self-employed consultant. This follows a career most recently with PwC and, before that, Jacques Martin, which was then a specialist superannuation provider. Charlie is the longest-serving director of the PSS, appointed in 1994. He is also a director of the trustee company of the Methodist Church of New Zealand Supernumerary Fund.

Greg Fleming

Greg Fleming


Director (appointed by the Police Service Organisations)

Greg is the Police Association Industrial Advocate and National Secretary. He was the Association's chief negotiator during the establishment of the Police Superannuation Scheme in 1992 and for subsequent enhancements. Greg was appointed as a trustee in 1996. He chairs the scheme's communications subcommittee.

Sarah Graydon recropped

Sarah Graydon

BA, LLB (Hons)

Professional director

Sarah is an experienced lawyer who has worked in a number of areas and predominantly in in-house roles. She headed up the legal team at New Zealand Post for 8 years and now works with Juno Legal providing advisory, coaching and legal services centred on in-house legal functions. Sarah's governance experience spans superannuation, health and education. She is a licensed independent trustee and currently holds positions with three other superannuation schemes as well as PSS.

Tim McGuinness

Tim McGuinness


Professional director (appointed by the Commissioner)

Tim has held board and trustee positions with substantial New Zealand-based investment management organisations and funds for over 15 years. He has extensive financial market knowledge and experience built up through involvement with the management of investment funds, including senior executive roles, over 30 years.

Tim is currently chair of Dairy Industry Superannuation Scheme Trustee Limited and is a director of the trustee companies of the New Zealand Fire Service Superannuation Scheme, the Westpac NZ Staff Superannuation Scheme and the New Zealand Aluminium Smelter Superannuation Scheme. He is a director of United Medical Benefits Society Limited. He was on the board of the Government Superannuation Fund Authority for 10 years (being chair for 3 years), chair of trustees of the Fonterra Superannuation Fund for 10 years, on the board of Whai Rawa Fund Limited for 10 years and on the board of the Earthquake Commission for 8 years. He also has a number of other committee and consultancy roles in the financial sector.

These positions followed senior executive and funds management positions with Royal & SunAlliance and Norwich Union/State Insurance over 15 years.

Ian Russon

Ian Russon

BA Hons

Professional director (appointed by the Police Service Organisations) and licensed independent trustee

Ian has had a long career in the financial services industry. Following periods working in the UK, Canada, Hong Kong and Germany, he joined the Financial Markets Department of the Reserve Bank of New Zealand in 1995 and held various management positions focusing on foreign exchange reserves management and monetary policy implementation.

In 2002, Ian joined Bank of New Zealand and, for the majority of his time at the bank, was Head of Financial Institutions & Public Sector. Ian also served as a scheme participant elected member of the board of management of the Bank of New Zealand Officers' Provident Association – the staff retirement savings scheme.

In 2017, Ian resigned from the bank to work as a professional director. In addition to his role with PSS Trustees Limited, he is chair of UniSaver Limited and Implemented Investment Solutions Limited and a director of The Salvation Army of New Zealand Officers' Superannuation Scheme Nominee Limited and Presbyterian Beneficiary Fund Trustee Limited.

Sandra Venables

Director (appointed by the Commissioner)

The Commissioner appointed Assistant Commissioner Sandra Venables as his representative on the board of PSS Trustees Limited in September 2019. In 2017, Sandra was the first female officer to be appointed to the rank of Assistant Commissioner and moved to Wellington to be based at Police National Headquarters. She leads Road Policing and Prevention which includes the portfolios for Mental Health, Alcohol Harm, Family Violence and Youth. Sandra has been a police officer since February 1994 and served as a frontline officer in Hamilton, Kaitaia, Whitianga and Thames-Coromandel. She was the Area Commander in Eastern Bay of Plenty based in Whakatāne for 3 and a half years before being promoted to District Commander in Eastern District which included Tairawhiti and Hawkes Bay. Sandra had the privilege of being the Security Liaison Officer for the 2014 ANZAC Commemorations in Gallipoli and was the Commissioner’s representative for the 2018 visit of the Duke and Duchess of Sussex.