George Agriogiannis joined Holcim Australia and New Zealand as Chief Executive Officer (CEO) in 2019. He leads a team of more than 3,000 employees across Australia and New Zealand as part of the global leader in building solutions. Holcim is reinventing how the world builds to shape a world that is greener, smarter, and that works for all. A world that is low-carbon and circular for a net zero future. A world driven by innovation, making more with less.
George holds a Bachelor of Civil Engineering from the University of New South Wales (UNSW). He has extensive executive, senior management and operational experience in construction materials across Australia. Prior to joining Holcim, he was Executive General Manager of Adelaide Brighton Ltd.
Michael Miller was appointed Executive General Manager (EGM) for New Zealand in January 2024. He has extensive management experience across a range of disciplines including sales and marketing, procurement, operations and logistics. Michael was previously Chief Strategy Officer and held numerous roles over 17 years at Adbri, a publicly listed national construction materials company.
He holds a Bachelor of Management in Marketing from the University of South Australia and has over a decade of directorship experience on multiple boards.
Jess Blomfield was appointed General Counsel and Company Secretary in August 2022. She leads our legal team.
Prior to joining Holcim, she has held senior roles both locally and internationally across a variety of industries. Most recently, she worked for a global logistics company.
Jess holds a dual Bachelor of Laws Bachelor Business degree from the University of Queensland. She has over 15 years legal experience, is a GAICD and a member of the ACC.
Joe Di Mento was appointed Chief Financial Officer (CFO) of Holcim Australia and New Zealand in June 2024. He leads the Finance, Strategy and Governance functions driving commercial analysis across the business.
Joe brings extensive experience in business strategy, mergers and acquisitions and demonstrates a deep understanding of risk and regulatory environments.
Joe was previously Head of Strategy and Mergers & Acquisitions, CFO of the Aggregates Division, and CFO of the Concrete Division at Holcim Australia. He is a Chartered Accountant and holds a Master of Economics from Macquarie University, and a Bachelor of Business from the University of Technology Sydney.
Executive General Manager (EGM) - People, Culture and Communications
Helen Jones was appointed EGM of People, Culture and Communications for Holcim Australia and New Zealand in September 2019. She has previously held senior roles in human resources management and workers compensation at Holcim, Rinker and CSR spanning China, Australia and New Zealand.
Helen leads the human resources, brand, communication and workers compensation functions. Her remit spans more than 3,500 employees and contractors operating at more than 200 sites. She holds Bachelor degrees in Human Resources Management and Services, and Labour and Industrial Relations.
Executive General Manager (EGM) - IT, Technical and Engineering
Brad Tallon was appointed to the Exco in April 2003, having originally joined the organisation in 1984, and was appointed to his current role in 2012. He heads up Information Technology, Technical and Engineering, ensuring that the relevant functions support the overall business strategy, through a secure IT infrastructure backbone, digital and product innovation and strong project management methodology.
He has held executive management roles within the building industry including roles at Holcim, CSR, and Boral in the USA, China and France as well as locally. He holds an MBA from Deakin University and has a Bachelor degree in Civil Engineering and Commerce.
