Our Team

Our multidisciplinary team enables us to provide complete specialist assessment and management of memory problems, dementia, complex medical and psychiatric problems in older adults.

Meet The Team

Gregory Winkelmann

LlB 1983 Auckland; MSW 2004 Massey; CPS 2014 Massey

Gregory has over 18 years’ experience as a clinician in mental health, addictions and dementia services. He has a particular interest in the psycho-social effects of chronic physical health problems and cognitive disorders and the legal implications of those disorders. He is a published author and has presented at both national and international conferences.

Dr. Mark Fisher

MB ChB 1985 Auckland; FRANZCP 1994

Mark has over twenty years’ experience as a Consultant Psychiatrist in NZ and the UK. He has held numerous leadership positions in DHB Mental Health and Addictions Services and been a clinical leader in Psycho-geriatrics.

He currently holds the position of Service Clinical Director for Liaison Psychiatry and Mental Health Services for Older People at Auckland DHB. His passion is for improved service delivery, dementia services and medico-legal issues. He is a published author and presenter at conferences.

Yu-Min Lin

MB ChB 2001 Otago; FRACP 2012

Yu-Min is a Consultant Geriatrician working at Middlemore Hospital since 2012. Originally from Taiwan, he speaks fluent Mandarin. He obtained his medical degree from Otago University. He underwent dual specialist training in Geriatrics and Internal Medicine in the Auckland region.

He has a broad interest in general geriatrics however, has a passion for dementia. He is the lead geriatrician working with the “Memory Team” in dementia services at Counties Manukau Health. He has been a guest since 2013 on World TV, Dementia Auckland and local health promotion lectures speaking on a variety of issues including cerebrovascular disease, dementia and osteoporosis.

Kim-Maree Sherer

BCApSc Human Nutrition 2006 University of Otago, PGDipCApSc Human Nutrition 2007 University of Otago, PGDipDiet 2009 University of Otago.

Kim-Maree has over 10 years’ experience working as a clinical dietitian in both hospital and community settings in New Zealand and England. She has a particular interest in malnutrition and older peoples’ health, ensuring patient-centred care and clinically safe dietary recommendations are delivered.

Lynne O’Sullivan

DipPhys, Otago (1989), NZRP, MPNZ

Lynne has more than 20 years of experience as a physiotherapist.  After several years of general physio practice in DHBs around New Zealand,  she began to focus on the rehabilitation of older adults. She has a passion for ‘keeping people moving’ and maximising their independence. She strongly believes that physical activity can prevent cognitive decline, and is a great way to reduce your risk of developing dementia.

Bonnie Chuang

BHSc (Physiotherapy) 2015 Auckland, GDip Comms and PR 2007 Auckland, BHM and BBus Conjoint Degree 2004 Auckland

Bonnie is a physiotherapist with interest in adult rehabilitation and older people’s health. She has been practising as a physiotherapist at public hospitals and rest homes in New Zealand since graduation in 2015. She specialises in in-home rehabilitation with the aim of promoting cardiovascular fitness and independence.