Our Leadership

Mr Bainbridge was appointed as a director on 1 September 2022 and appointed chairperson of the Company on 25 March 2024. He is Chair of the Nomination/Governance Committee and a member of the Safety, Health, Environment, Community & Sustainability Committee. Mr Bainbridge has extensive senior executive experience, primarily in the oil and gas sector across exploration, development and production. He has worked in a variety of jurisdictions, including North America, Europe, Asia and Australia. His most recent executive role was as Executive General Manager LNG for Oil Search Limited. Prior to that, he served in senior executive roles at Pacific National and BP Group. Mr Bainbridge is also Chairman of the Global Carbon Capture and Storage Institute, and Sino Gas and Energy. He was previously Chair of the Papua New Guinea Sustainable Development Program. Mr Bainbridge holds a Bachelor of Science in Mechanical Engineering.

Mr Mikkelsen was appointed Chief Executive Officer and Managing Director in 2023, after originally joining Sims Limited in 2018 as the Global Chief Financial Officer. He brings more than 30 years of finance and executive management experience to the company. Prior to joining Sims Limited, Mr Mikkelsen held senior leadership positions at AGL Energy, including serving as Chief Financial Officer from 2006 to 2012, followed by Group General Manager Retail Energy and Executive General Manager Energy Markets. Before his tenure at AGL, Mr Mikkelsen was the Chief Financial Officer of Snowy Hydro from 2001 to 2006. Mr Mikkelsen is a member of Chartered Accountants Australia & New Zealand.

Ms Hirschfeld was appointed as a director on 1 September 2023. She is a chemical engineer with 20 years’ experience with BP in oil refining, logistics and exploration in Australia, the United Kingdom and Turkey. She also served as a logistics officer in the Australian Army Reserve. Ms Hirschfeld has extensive experience on ASX, NYSE, private company and government boards. She is currently the Chair of Powerlink Queensland, and an independent non-executive director of Central Petroleum. Ms Hirschfeld previously served as a Board Member and president of UN Women National Committee Australia and non-executive director of Energy Queensland, ToxFree Solutions, InterOil Corporation, Broadspectrum, Snowy Hydro and Queensland Urban Utilities. Additionally, she was a member of the Senate of the University of Queensland for 10 years.

Mr Rinn was appointed as a director in December 2024. He is a member of the People & Culture Committee and the Safety, Health, Environment, Community & Sustainability Committee.  Mr Rinn has more than 40 years of experience in the steel, fabrication and metal recycling industries. Most recently, Mr Rinn served as an executive vice president of Steel Dynamics Inc. and the President and Chief Operating Officer of OmniSource, its metal recycling subsidiary. He previously served as an executive vice president of Commercial Metals Company (CMC), a Texas-based metal recycler and producer of rebar and related products. Mr Rinn holds a Bachelor’s Degree in Finance, Marketing and Business Administration from Texas Lutheran University and is a graduate of the Executive Program of the Stanford University Graduate School of Business and of the Management Development Program at the University of Michigan’s Ross School of Business.

Mr Omachi was appointed as a director in November 2024 and is Mitsui & Co, Ltd’s nominated non-independent director.  He is a member of the Risk Committee and the Safety, Health, Environment, Community & Sustainability Committee.  Mr Omachi started his business career in the Mineral & Metal Resources division of Mitsui. He held various senior strategy positions at Mitsui during his tenure, including the Executive Vice President, Chief Strategy Officer.  In June 2022, Mr Omachi took the position of Counseller to Mitsui.

Mr Gorman was appointed as a director in June 2020. He is the Chair of the Safety, Health, Environment, Community & Sustainability Committee and a member of the Nominating/Governance Committee. Mr Gorman served as the Global Chief Executive Officer of Brambles Ltd for seven years, retiring in February 2017. Prior to Brambles, Mr Gorman held a number of senior executive positions over a 21 year career at Ford Motor Company, culminating in President and Chief Executive Officer of Ford Australia from 2004 to 2008. He is a director of Worley Ltd, a global provider of professional project and asset services, Orora Ltd, a packaging solutions specialist, and Alcoa Corporation, a global leader in the production of bauxite, alumina and aluminium products. Mr Gorman holds a Bachelor of Arts in Economics from Tufts University, a Master of Business Administration from Harvard Business School and a Global Master of Arts in International Relations and Affairs from Tufts University. He serves as Chair of the Maine Chapter of The Nature Conservancy.

Ms Binns was appointed as a director in October 2021. She is Chair of the People & Culture Committee, and a member of the Audit Committee. Ms Binns has more than 35 years of experience in the global resources and financial services sectors, including 10 years in executive leadership roles at BHP in Asia and 15 years in financial services with Merrill Lynch Australia and Macquarie Equities. During her career at BHP, Ms Binns’ roles included Vice President Minerals Marketing, leadership positions in the metals and coal marketing business, and Vice President of Market Analysis and Economics. She was also co‑Founder and Chair of Women in Mining and Resources Sg (WIMAR Sg). Prior to joining BHP, Ms Binns held a number of Board and senior management roles at Merrill Lynch Australia, including Managing Director and Head of Australian Research, Head of Global Mining, Metals and Steel, and Head of Australian Mining Research. Ms Binns is a Non‑Executive Director of ASX‑listed Evolution Mining, a Non‑Executive Director for the NFP Carbon Market Institute (CMI), and a member of the Advisory Council for JP Morgan, Australia & New Zealand.

Mr Mikkelsen was appointed Chief Executive Officer and Managing Director in 2023, after originally joining Sims Limited in 2018 as the Global Chief Financial Officer. He brings more than 30 years of finance and executive management experience to the company. Prior to joining Sims Limited, Mr Mikkelsen held senior leadership positions at AGL Energy, including serving as Chief Financial Officer from 2006 to 2012, followed by Group General Manager Retail Energy and Executive General Manager Energy Markets. Before his tenure at AGL, Mr Mikkelsen was the Chief Financial Officer of Snowy Hydro from 2001 to 2006. Mr Mikkelsen is a member of Chartered Accountants Australia & New Zealand.

In 2018, Sims Limited welcomed Brad Baker as the Global Chief Human Resources Officer. Brad has extensive international operations and board-level experience with publicly listed companies in the United States and Australia.

Brad brings almost 30 years of human capital strategy experience spanning several industries, including plastics, metal processing and mining services, to Sims Limited. Throughout his career, Brad has had overall responsibility for leading talent acquisition, selection assessments, employee and labor relations, organisational behavior, succession planning, employee engagement, compensation and benefits, and workforce development. Prior to joining the company, he was the Senior Vice President of Human Resources and a corporate officer for Boart Longyear.

Gretchen Johanns joined Sims Limited in 2018 as the Global General Counsel and Company Secretary, bringing more than 20 years of experience as a senior legal advisor for publicly listed American companies in the information technology, service and media industries to this role.

Prior to joining the company, Gretchen served as the Deputy General Counsel and Corporate Secretary at Xerox Corporation. Previously, she previously held several legal roles of increasing responsibility at Time Warner Cable Inc. Gretchen received her Juris Doctor degree from Cornell University and her Bachelor of Arts degree from Grinnell College.

Ingrid Sinclair was appointed Global President for Sims Lifecycle Services, a division of Sims Limited, in 2019. She has overall responsibility for growing and developing the business division’s global information technology asset and electronic equipment retirement services for businesses and data centers.

Ingrid joined the business in 2007 as the Vice President of Recycling for the United States, bringing more than 20 years of electronics recycling experience and 10 years spearheading innovation in electronics recycling operations to the role. Ingrid began her career as a Chemical Process Engineer at Glencore Canada (formerly Noranda) where she spent 10 years in various international commercial and operational roles. In addition to being trained as a Six Sigma Black Belt, Ingrid has a bachelor’s degree in Chemical Engineering from the University of Ottawa and a Master of Business Administration from Concordia University.

John Glyde was appointed Global Chief Operating Officer for Sims Metal, a division of Sims Limited, in 2020. He has worldwide responsibility for metal processing, transportation and logistics (excluding chartering) and engineering services.

John began his career with Sims Limited more than 30 years ago, holding progressively senior leadership roles within the metal business in Australia and the United States during that time. Prior to his current role, John served as the Managing Director of Australia & New Zealand for three years. From 2015 to 2017, he was the Chief Operating Officer for Australia & New Zealand. Previously, John held the position of General Manager for Queensland.

Rob Thompson joined Sims Limited as the Global Chief Commercial Officer for Sims Metal in 2022, with worldwide responsibility for both ferrous and non-ferrous buying and sales.

Prior to joining the company, Rob was the Vice President of Sales and Marketing for Gerdau North America. He has more than 30 years of global metal recycling and steel industry experience. Previously, Rob served as the Vice President of Raw Materials, as well as leading other areas, such as Logistics, Sales and Operations Planning (SOP), and Rebar Fabrication. Earlier in his career, Rob was the Global Process Owner of Metallics for Gerdau Corporation in Sao Paulo, Brazil, and the Director of Ferrous Trading for Triple M Metals, Canada. He graduated from the University of Toronto with a degree in Economics.

Warrick Ranson was appointed to the position of group chief financial officer in December 2023. He brings more than two decades of extensive executive-level experience from senior positions within blue-chip corporations, operating across global markets in the mining and resources industries.

Prior to joining Sims Limited, Warrick served as chief financial officer at OZ Minerals Limited for nearly six years where he was instrumental in guiding that company through a period of substantial growth and value creation. Previously, Warrick spent approximately 18 years with Rio Tinto in various roles. Warrick is a Fellow of the Institute of Chartered Accountants in Australia, a graduate of the Australian Institute of Company Directors, and holds an MBA from the University of Oxford.