Our Council

Ross Simmonds


Ross is an actuary with over fifteen years’ experience in the financial services sector. He has worked in NZ and UK for consultants and insurers across a variety of fields in general insurance, the public sector and banking. He currently heads the New Zealand office for Taylor Fry in Wellington. Ross was Vice President since 2018 until the 2020 AGM.


Contact the President here

Scott Lewis

Vice President

Scott has more than 25 years of experience in the Life and General Insurance industries. He has worked in NZ, UK, USA and Latin America in a variety of roles.

He has been on Council since 2018 and Secretary since 2019. He has previously served on the Enterprise Risk Committee (2016-18) and the 2006 Conference Committee.

Scott is a Fellow of the NZ Society of Actuaries and the Australian Institute of Actuaries.

Nick Smart


Nick is an actuary currently with Fidelity Life, based in Auckland. He has over fifteen years of experience in Life and Health Insurance. He has worked both in Australia and NZ for insurers in a variety of roles. Prior to joining Council Nick has served on the Life, Health and Experience Committees.

Mat Jensen

Secretary & Privacy Officer

Mat is an actuary based in Auckland. He has over ten years of experience having worked in both Life and General Insurance. He has worked in a variety of roles across pricing, valuation, capital, finance and reinsurance. Mat has served on the General Insurance, Conference and Experience Committees and has been on Council since 2018.


Contact the Secretary here

Alison O’Connell


Alison began her career in the financial services industry 30 years ago working at a life reinsurer in the UK.  After spells in actuarial and management consulting, Alison became the founding Director of the Pensions Policy Institute.  Since making Christchurch her home in 2006, Alison has continued her retirement income research, advising government agencies on policy aspects of pensions, retirement, and longevity. She is a member of the Retirement Income Interest Group of the New Zealand Society of Actuaries.

Alison has also developed a governance career and is a Chartered Member of the New Zealand Institute of Directors.  She is currently a Non-Executive Director of a life insurer, a pension fund, and a not-for-profit foundation.

Lee-Ann du Toit


Lee-Ann is a Partner at Deloitte, based in Wellington and became a Fellow of the Institute of Actuaries (London) in 2002. She has more than twenty three years of diversified experience in the financial services industry mainly in South Africa and New Zealand. Lee-Ann has served on numerous executive committees and boards, recognized for innovation, leading change, starting new businesses and is a Harvard Business School Alumni. She served on the Professional Development Committee of NZSA from January 2019 through to March 2022.

Nathan Thomas


Nathan started his actuarial career in 2000 at Tower working in the areas of life insurance and managed funds before moving to the UK in 2005 where he worked for Legal & General in Protection pricing, valuation and Solvency II.

Nathan qualified as a Fellow in 2007 and returned to NZ in 2012 to work for Cigna in the areas of life and travel insurance, where from 2015 he carried out the role of Chief Actuary and Appointed Actuary for 5 years. During his time at Cigna, the achievement he is most proud of is establishing the annual Cigna Actuarial Scholarship at Victoria University of Wellington. This has provided interview experience to candidates, as well as financial benefits and work experience for the successful scholars. This was established in 2015 when Nathan first joined the Cigna Executive Team and it is still active today.

Since leaving Cigna, Nathan has been working part-time at Montoux, initially in the role of Director of Data Science, and more recently as Director of Customer Success. At the same time, Nathan has been studying an EMBA at Victoria University of Wellington and is due to complete this in early 2022. In addition to this, Nathan started is governance career in 2021 and holds the roles of Independent Director at Police Health Plan Ltd and Elected Board Member at Swimming Wellington.


New Zealand Society of Actuaries
PO Box 10 087 Wellington
Phone: 04 815 8179
Email: society@actuaries.org.nz