Heinz Matysik - Chairman

Heinz was appointed as a Director and Chairman in May 2021.

Heinz is a Cook Islander and Principal of the Cook Islands law firm Little & Matysik P.C. Before returning to the Cook Islands to live in 2009, Heinz worked as a lawyer in New Zealand and for a leading international US law firm, in London, Frankfurt and Munich. He has extensive experience in banking and finance, commercial and corporate law, and conveyancing.

Heinz is a Chambers and Partners Global ranked lawyer for the Pacific Islands. He is also the Chairman of the Cook Islands National Superannuation Fund board, a member of the Cook Islands Public Expenditure Review Committee (PERC). Heinz has previously sat on the board of the Cook Islands Financial Supervisory Commission (FSC). He is currently the Honorary Consul for the Federal Republic of Germany to the Cook Islands.


• Bachelor of Laws and a Master of Laws (First Class Honours) - University of Auckland

• Full member of The Society of Trust and Estates Practitioners (STEP)

• Admitted as a Barrister and Solicitor of the High Court of New Zealand - 2000

• Admitted as a Barrister and Solicitor of the High Court of the Cook Islands - 2009

David Steens - Director

David was appointed a Director in 2012.

David has over 25 years’ experience in the financial services sector and has a wealth of knowledge in the area of receivership's and liquidations, asset protection and management, accounting and finance. David's previous positions were with KPMG, a publicly listed New Zealand Company, a Fonterra subsidiary in the FMCG industry and a private manufacturing business. David is also a Director of a private trustee company.

David has previously held executive positions with Capital Security Bank dating back to 1998 as Finance Manager, Director and Managing Director before becoming a non-executive Director in 2018.


• Bachelor of Commerce – Auckland University

• Chartered Accountant (Prov) – New Zealand

• Chartered Member New Zealand Institute of Directors

• Member Society of Trust and Estate Practitioners

Andrew Yiangou - Director

Andrew was appointed Director in 2016.

Andrew’s career commenced in Sydney with the Commonwealth Bank of Australia, where he worked for 32 years, progressing through various managerial roles to executive and senior management positions including Sales & Network Management, Product Management and Project and Business Management.

In 2005 Andrew joined National Australia Bank (NAB) as Managing Director Global Transactional Banking Solutions – Global Institutional Banking, a role that saw him lead an end-to-end global payments business across major functions including operations and service, product development, sales and account management, procurement and strategy leading to increased revenue and numerous globally recognised awards for major successes and achievements.

In 2016 Andrew founded his own management consulting business and works with both domestic and international financial institutions with regards to international cash management and payments and primarily in supporting them to navigate the current global regulatory environment and challenges. Andrew is an advocate of great culture and team behaviours believing that the people you work with have a huge influence on your enjoyment, motivation and overall behaviours.

Brendon Stone - Director

Brendon was appointed as a Director of Capital Security Bank Limited in November 2018 and is the Chair of the Audit & Risk Committee.

Brendon began his career at KPMG Hamilton in the audit division, with a focus on companies in the dairy and manufacturing sectors over a 3-year period. In 1999 he was appointed as the resident auditor for KPMG Rarotonga, where he was predominantly responsible for the audit of investment funds, banks and trust companies.

Brendon joined a trust company based in Rarotonga in 2001 as Company Accountant, and in 2004 was appointed as Finance Manager and Director of Capital Security Bank until 2007. After returning to New Zealand, he was appointed as Financial Reporting Manager for the publicly-listed AFFCO NZ Ltd, a major NZ meat exporter. After 5 years in this role, Brendon moved to the role of Chief Financial Officer with Porter Group, based in Hamilton, where he is responsible for the accounting and administration division for the international group.

• Chartered Accountant – New Zealand
• Bachelor of Business Studies – Massey University
• Member New Zealand Institute of Directors

Phoebus Theologites - Director

Phoebus was appointed a Director in September 2022.

Phoebus brings a wealth of risk management, governance and investment expertise to CSB, accumulated over 30 years at prominent North American and European financial institutions. He is currently board director of an international financial services group and legal advisor at a Swiss law firm. More recently, he was MD at UBS Asset Management and co-founder of a multi-award-winning fund management business.

Previously, he was global head variously of trading risk, execution, structuring and quantitative trading in the equities divisions of ABN-AMRO/RBS, Toronto-Dominion and CDC-IXIS/Natixis. Earlier, he traded complex equity, interest-rate, currency, credit and hybrid derivatives at Gen Re Securities, Bear Stearns, Credit Suisse and Bankers Trust.

  • Bachelor of Arts - Harvard University 
  • Master of Philosophy - University of Cambridge
  • Master of Science - London School of Economics