Seb recently joined Calix as Senior Business Development Manager with focus on ZESTY technology commercialisation. Seb spent over 20 years in Iron ore, started initially in an operational role in the Pilbara with Rio Tinto Iron Ore and moved into Resource Development where he co-developed and executed bench scale test work through to pilot plant scale and full metallurgical performance plant trials to provide scale-up expertise for the engineering designs, including capital and operating costs for global Iron ore projects. Seb joined Rio Tinto Iron Ore Sales & Marketing in 2010 and transitioned away from projects and commenced interactions and extensive travel to all customer markets and iron ore operations to develop and maintain customer relations through delivering the product strategy, create customer techno-commercial segmentation matrixes and develop Customer Relation Management systems. Seb moved to Fortescue Metals Group in 2019 to be a part of the integrated Operations and Marketing team, where the shift towards ‘green’ iron making commenced. Through developing a marketing perspective on sustainability, by creating initiatives through customer collaboration on pre-processing of iron ores, hydrogen and non-hydrogen direct reduction, and other de-carbonisation initiatives.

Professor Geoff Brooks has published over 300 papers on fundamentals aspects of iron and steelmaking, has been invited to speak at many leading Universities around the world and has worked closely with steel companies in Europe, Asia and North America. He is currently the Joint Swinburne/CSIRO Professor of Sustainable Mineral Processing. Geoff has been previously an Associate Professor at McMaster University in Canada and a Senior Lecturer at University of Wollongong. In 2013, Geoff was awarded the prestigious John Elliott Lectureship Award by the AIST. He was also awarded the 2018 EPD Distinguished Lecturer by the TMS and the 2023 Bessemer Gold Medal by the IOM3. He is a fellow of the Institute of Materials, Minerals and Mining.

Dr. Sa Ge (Gesa) is a Process Metallurgy Specialist at Hatch, with 15 years of experience in development, engineering, research, and consulting in process metallurgy, and in major metals projects across North America, Asia, and Africa. His work focuses on innovative metallurgical processes by integrating fundamental research, technology development, project delivery, and strategic analysis to support a sustainable steel value chain. Dr. Gesa earned his B.Eng. and Ph.D. in Materials Engineering from McGill University and serves as an adjunct professor in the Department of Materials Science and Engineering at the University of Toronto. He is a licensed Professional Engineer in Ontario. Dr. Gesa was recognized in 2025 with the CIM-MetSoc Brimacombe Award for early-career achievement and outstanding contributions to the Canadian metallurgical and materials community.

Ruwan Brell is a Process & Technology Manager for Project NeoSmelt at BlueScope Steel, leading technical development for low emissions ironmaking initiatives. With extensive experience across ironmaking, steelmaking, and decarbonisation pathways, he specialises in DRI, smelting, and emerging technologies to reduce carbon intensity. Ruwan has held senior roles in process engineering and decarbonisation, contributing to major capital projects and strategic studies in Australia and globally. He is passionate about bridging technical innovation with practical implementation, and regularly engages with research and industry partners to advance sustainable steelmaking solutions and the future of iron production.

Mark Davidson, FAIM, FAusIMM, is the Regional Geochemistry Business Development Manager at SGS, with more than 25 years of experience across the geochemistry, minerals and laboratory services sectors. Throughout his career, Mark has held a range of senior leadership roles, including National Sales Manager and Managing Director positions across Australia and Africa. His expertise spans geochemistry, laboratory operations, business development and client relationship management, supporting mining and exploration companies throughout the project lifecycle. His academic credentials include an MBA in International Business, a Graduate Certificate in Marketing, a Bachelor's degree in Management, and advanced qualifications in laboratory operations and assaying. Mark's contributions to the geochemistry and minerals sectors have been significant, and he continues to support clients and enhance client services at SGS.