The board of directors at HBH Senior Living governs the organisation and is responsible for the future direction.

Harley Aish

General Practitioner
BHB, MBChB, DipObsGyn

Harley is a General Practitioner at Otara Family & Christian Health Centre. He has 15 years’ experience as a director of Primary Care organisations, and is a director on another commercial board. He has experience in guidelines and quality improvement in Primary Care, as well as working with the local District Health Board on various projects to integrate care. He is married with two children.

Elizabeth Berryman

BHSc (Nursing) PgDipHSc MHSc

Elizabeth Berryman is a sixth-year medical student at the Dunedin School of Medicine, University of Otago. She has been the past president of Otago Medical Students’ Association and the New Zealand Medical Students’ Association, and is a current New Zealand Medical Association board member.

She is passionate about wellbeing and family medicine and regularly volunteers with Habitat for Humanity.

Kate Donley

Management Consultant

Kate is a self-employed management consultant with senior management experience in corporate and not-for-profit organisations, and community board experience. Previous roles have seen her deliver day programmes and elder abuse services for older people, and she has a special interest in social housing.  Kate grew up in the Howick area and is married with two children.

Winston Hema


Winston works as the National Administrator for the Baptist Churches of New Zealand. His role on the board of HBH Senior Living allows him to serve the wider Baptist family and the work it does with the community of Howick. Winston is a Chartered Accountant and was the principal partner at Origin Accounting prior to joining the Baptist Churches of New Zealand in 2018.

Graeme Owen

Business Consultant

In addition to his role on the HBH Senior Living Board, Graeme has been a consultant in his own business since 2006. He was previously a lecturer and director of Internship Programmes at Laidlaw College and has also held roles as pastor at a number of churches. Graeme is married with four adult children.

Stephen Parker

Retired Businessman

Stephen retired in 2014 after 10 years leading the New Zealand office of a multinational organisation. Since then he has served as Trustee with VisionWest for 12 years and from 2010 with Community Waitakere. He holds two other directorships including  Director and Grants Convener for the Baptist Foundation and August Properties. He is a member of Glen Eden Baptist church and lives with his wife on a lifestyle block in Oratia along with some of their adult family.

Bonnie Robinson

(ex officio to the board)
BA, BD, Dip Min., BM

Our CEO since 2012, Bonnie has worked for over 20 years in social service organisations including Age Concern, The New Zealand Council of Christian Social Services, Presbyterian Support and Alzheimers Auckland. Bonnie wholeheartedly believes that teamwork and communication are the basis for quality service delivery and that, with a growing older population, HBH Senior Living’s high level of service and care is essential.

Citizen Tamatimu


Citizen joined HBH as a director in 2018 and also serves on a number of other community boards. Since graduating in 2009, Citizen has worked in a number of roles across the financial, public and not-for-profit sectors and has spent the last 5 years in senior management roles. He is currently the Director of Business Services for the New Zealand Marist Brothers Group.

Citizen is passionate about giving back to the community and being a director for HBH affords him this opportunity.

Elizabeth Tremlett

Chartered Accountant
B Com, CA

A member of the HBH Senior Living board since 2012, Elizabeth is a self-employed Chartered Accountant with extensive experience working with not-for-profit organisations, primary schools and small businesses. Having lived in Howick all her life as a parent of four sons, Elizabeth has been involved in the local community through schools, sports and church. She has also served on the Board of Presbyterian Support Northern for over ten years.