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.
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.
Scott Buchanan was appointed as a member of the Executive Committee and Executive General Manager (EGM) of Aggregates in January 2020.
He joined the Group in 1991 and has held various senior leadership roles across Aggregates and Concrete, including General Manager of NSW & ACT Concrete, National Operations Manager Aggregates, and General Manager Metromix.
Scott holds a Bachelor of Business (Management) and is a graduate of the Australian Institute of Company Directors.
Guido Dewilde was appointed Executive General Manager (EGM) of Humes in September 2018. Humes is Australia's leading provider of engineered concrete solutions for the civil construction industry. Humes offers a range of solutions for bridges and platforms, road and rail infrastructure, tunnels and shafts, retaining walls, pipeline systems, water treatment, reuse and detention, and traffic management.
Guido is an Executive Management graduate of IMD Lausanne, and holds an Executive MBA from the University of Brussels and a Masters of Economics. He has held executive, senior management and marketing positions across the Humes and Holcim Australia concrete businesses.
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 - Concrete and Major Projects
Greg Price was appointed Executive General Manager (EGM) in October 2021. He leads a team supplying concrete from an Australian network of more than 150 concrete plants, 900 mixer trucks plus mobile and on-site facilities.
Greg has held previous local and international executive leadership roles within the construction materials industry, including within Holcim Ltd at Lafarge UK. Greg holds a degree in Minerals Processing and has a strong operational, commercial and customer focus. He brings extensive industry skills and experience having led concrete, aggregates recycling and asphalt businesses.
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.
