Andrea heads Argus’ fertilizer business in Asia and Middle East (including raw materials such as ammonia, sulphur, and sulphuric acid), as well as Argus’ critical metals business in East Asia. He has 15 years of experience as a commodities market analyst. Prior to joining Argus, he was the head of consulting for Integer Research. He has an MBA from McGill University, Canada.

Deon is an associate editor for the Argus Sulphur and Argus Sulphuric Acid reports since 2021, and contributes price assessments, analysis, news pieces and market commentaries to these reports. Deon obtained his honours degree with distinction in Economics and a minor in language studies from the National University of Singapore.

Ohmin Zhao is Market Analyst Team Manager for Metals, China. He has been covering the nonferrous metals markets for more than 20 years. He started his career at British market intelligence service Metal-Pages in 2003, and joined Argus in 2014. He currently leads Argus' China editorial team for nonferrous metals, focusing on price assessment and market reporting/analysis

Chi joined Argus in 2017 in London to help expand its European ferrous scrap coverage. He relocated to Singapore in 2023 and now oversees Argus’ metals and scrap coverage in Asia. Chi began his journey in the metals industry in 2011 and has experience in steel, ferroalloys, minor metals and base metals. Chi graduated from Imperial College London with a degree in electrical and electronic engineering.