Australia & New Zealand Leadership

A culture committed to putting patients first

Tom Karalis 
Vice President & Managing Director, Australia & New Zealand

Tom Karalis assumed the role of Vice President & Managing Director of Australia and New Zealand in August 2017 with responsibility for Celgene’s commercial operations in the region.




Darren Hunt
Senior Finance Director, Australia & New Zealand

Darren HuntDarren Hunt has been with Celgene since 2007. Prior to becoming Senior Finance Director, ANZ, Darren oversaw the finance operations of APAC for a period of 4 years. He also spent two years in the US at Celgene Headquarters based in New Jersey which involved working on the integration teams for both Gloucester Pharmaceuticals and Abraxis Bioscience acquisitions.

From 2001 to 2007 Darren was the Finance Manager for PlantTech Pty Ltd which operated in the agricultural business. Prior to 2001 Darren worked for Iveco Trucks in numerous finance roles over a period of 12 years, including the last two years as the Financial Controller of Truckline Pty Ltd.

Darren attended Deakin University, where he completed his Bachelor of Business, Accounting in 1994. He also is a member of CPA Australia.

Mafalda Lou
Senior Director, Human Resources

Mafalda LouMafalda Lou joined Celgene in January 2011 as Senior Director Human Resources and built our HR function within the Asia Pacific region from inception.

Mafalda has over 26 years experience in Human Resources and her career to date has been predominantly in the Healthcare industry, including Clinical Diagnostics, Biotechnology, Medical Devices and Pharmaceutical companies such as Johnson and Johnson, Vision Systems (now known as Leica Sytems), and Dorevitch Pathology. Included in the portfolio of companies Mafalda has served are a mixture of start -up companies through to large multinational companies, where her responsibilities also ranged from Global through to Regional leadership roles. Mafalda also has extensive international experience having worked abroad for a number of years in the USA, UK and Singapore.

Michelle Benison
Country Manager, Haematology & Oncology, Australia & New Zealand

Michelle BMichelle Benison joined Celgene in 2010 and was given responsibility of the Country Manager for Haematology/Oncology Australia and New Zealand in January 2015. Prior to this Michelle headed up the Sales and Marketing operations for Haematology/Oncology at Celgene.

Michelle has extensive experience across the pharmaceutical industry which she joined over 20 years ago. She started her career at Roussel Uclaf which quickly became Hoechst Marion Roussel, then Aventis and finally Sanofi Aventis where she held a variety of roles within various therapeutic areas with the vast majority of her experience in the Haematology/Oncology space. Post this, Michelle worked at Orphan Australia which gave her insight into novel, highly specialised products to treat serious or life-threatening conditions where treatment choice is limited or inadequate.

Malcolm Jackson
Country Manager, Inflammation & Immunology, Australia & New Zealand

Malcom JacksonMalcolm is an experienced pharmaceutical professional with over 17 years industry experience spanning: sales, sales management, training, marketing and commercial management. He has managed key products within all stages of the product lifecycle.

Malcolm joined Celgene in June 2014 coming from Pfizer as their Business Unit Manager – Immunology. Malcolm managed the business unit, looking after a team of 20 dedicated sales and marketing colleagues. He lead this business unit for over 6 years as he was the Business Unit Manager at Wyeth and managed the integration with Pfizer in 2009.

Prior to Malcolm heading up the Enbrel Business Unit at Wyeth, he was a Team Leader at Pfizer looking after the Pain Management portfolio. He held previous marketing roles as well as being a Sales Manager and Training Manager. Proceeding his management roles he was a sale representative in both primary and specialist settings.

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