About Us

Our Brokers

A diverse and passionate team of highly experienced insurance industry professionals, we are pleased to introduce your Shield Insurance Brokers

Peter Alderson

Peter Alderson

Director - Adelaide

ANZIIF Senior Associate
Diploma of Financial Planning

A senior Associate of the Australian & New Zealand Institute of Insurance and Finance, Peter has worked in Financial Services since 1985. Peter has industry-leading expertise on the vast array of risk protection strategies and available products.

Peter’s clients include individuals, couples, families (multi-generational) and business clients in sectors including Transport & Logistics, Community & NFP Organisations, Professional Services, IT, Medical & Allied Health, Primary Production, Manufacturing, Hospitality and more.

Outside of work, Peter enjoys the great outdoors, camping and trail bike riding with his family in the Adelaide Hills (carefully of course) as well as tinkering with old trains, tractors, cars and motorbikes.

Hayley Nitschke

Hayley Nitschke

Partner - Adelaide

Certificate IV in Financial Services (General Insurance)
ANZIIF Associate
Certificate IV in Business Sales

Hayley has worked in insurance since 2002 and holds a Certificate IV in Financial Services (General Insurance) and a Certificate IV in Business Sales.

Hayley has a deep and broad understanding of all aspects of personal and business insurance, supporting a diverse group of long-standing clients with personal, professional and business insurance needs. 

Outside of insurance, Hayley is an avid netball player, club volunteer and enjoys long weekends travelling and camping with her young family.

Heather Bunnell

Heather Bunnell

Director - Mount Barker

Diploma of Business (UK)
Tier 1 (Insurance Broking)

With a risk protection career spanning two continents and more than 40 years, Heather’s breadth and depth of general insurance experience is unparalleled in South Australia.

A founding partner of Shield Insurance Brokers, Heather has built a strong, loyal client base over many years by providing highly personalised, high quality service, as well as effectively managing claims in a wide range of industry segments and policy areas.

Garry Siney

Garry Siney

Director - Reynella

Tier 1 General Insurance

Garry brings over 40 years experience working in the insurance industry, with a background working in large insurance companies, as well as starting and running his own insurance agency.

A founding partner of Shield Insurance Brokers, Garry is a true “specialist generalist”, having handled all facets of general insurance matters for clients large and small for decades. From strategies and policies covering homes, businesses and vehicles, to personal and professional insurance, Garry helps all his clients sleep better at night knowing they are protected by insurance tailored to suit their specific circumstances and needs.

Our Values





Long-term Client Relationships

Continual Improvement