Jeff Wysocki was appointed to the position of Chief Technology Officer in 2026 and brings more than 30 years of global technology and digital leadership experience across publicly listed companies. Prior to joining the company, he served as Chief Information Officer at The Mosaic Company, where he led global technology and digital transformation initiatives. Earlier…
Warrick Ranson was appointed Global Chief Financial Officer of Sims Limited in December 2023. He brings more than two decades of executive-level experience from senior positions within blue-chip corporations operating across global markets in the mining and resources industries. Before joining the company, Warrick served as Chief Financial Officer of OZ Minerals Limited for nearly…
Rob Thompson joined Sims Limited in 2022 as the Global Chief Commercial Officer for Sims Metal, where he held global responsibility for both ferrous and non-ferrous buying and sales. In June 2026, he was named President, Global Sims Metal. Prior to joining the company, Rob was the Vice President of Sales and Marketing for Gerdau…
Gretchen Johanns joined Sims Limited in 2018 as Global General Counsel and Company Secretary. She brings more than 25 years of experience as a senior legal advisor to publicly listed US companies across the information technology, service and media industries. Before joining the company, Gretchen served as Deputy General Counsel and Corporate Secretary at Xerox…
Brad Baker joined Sims Limited in 2018 as Global Chief Human Resources Officer. He brings almost 30 years of human capital strategy experience across the plastics processing and metal machine tool manufacturing, drilling equipment and consumable tooling manufacturing and mining services industries, together with extensive international operations and board-level experience with publicly listed companies in…
Stephen Mikkelsen was appointed Global Chief Executive Officer and Managing Director of Sims Limited in October 2023, having joined the company in 2018 as Global Chief Financial Officer. He brings more than 30 years of finance and executive management experience to the role. Before joining the company, Stephen held a series of senior leadership positions…