Leadership Team

Paul Schollum

Director, New Zealand & Australia

Paul Schollum joined REM SYSTEMS as Financial Controller in 1999, following six years as a senior accountant for Deloitte Touche Tohmatsu and three years as manager of accountancy firm Brown Woolley Graham. He is the son of company director Shirley Schollum and the late Leon Schollum.

In addition to his general directorship role, Paul oversees the financial affairs of the New Zealand and Australian companies and takes responsibility for the company’s technological resources, including the computer network, ERP system and telecommunications.

Shirley Schollum

Director, New Zealand & Australia

A founding director of REM SYSTEMS, Shirley Schollum’s background in administration has played a vital role in the company’s development. In the early years, Shirley managed customer services while husband Leon focused on sales.

Shirley is currently responsible for overseeing all major capital purchases for the New Zealand and Australian companies. She also hires and manages the administration staff, and liaises with principal companies based in Europe and the USA.

Brian Wilsher

Director, New Zealand & Australia

Before he joined REM SYSTEMS in 1983, Brian worked as a laboratory technologist at the National Health Institute in Wellington, where he completed his NZCS (Biol) and a Diploma of Applied Statistics. Brian subsequently joined the sales and marketing teams at Smith Biolab and then McGaw Ethicals, gaining many years of valuable medical sales experience.

In addition to his role as a director, Brian has specific responsibility for a range of various surgical and interventional product lines for the New Zealand and Australian companies.

Rachael O'Callaghan

Chief Executive Officer, Australia

Rachael leads our operations in Australia. She has 28 years commercial experience in the medical technology, diagnostic and pharmaceutical markets, gained in Europe, USA, Asia, Australia and New Zealand. Before joining REM SYSTEMS, Rachael grew her expertise through a wide range of roles, including general management, strategic marketing, business unit management, sales management, operations and manufacturing.

As Chief Executive Officer, Rachael is passionate about optimising every opportunity to drive the growth and success of our organisation. She believes the REM SYSTEMS advantage lies in customer service excellence, high-quality products and agile responses to emerging customer needs.