
The Green Steel Challenge
The Green Steel Challenge podcast aims to invite a conversation, ignite innovation and accelerate change within and around the steel industry, contributing significantly to the decarbonisation of this crucial material. Drawing inspiration from Willy Korf, the German entrepreneur known as a steel rebel and pioneer of the mini-mill and DRI, this podcast challenges the steel industry. Produced by The Willy Korf Foundation and Kallanish Commodities, both neutral entities deeply connected to the steel industry yet without direct commercial interests, we aim to be a platform for transformative ideas.
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Season 3/Episode 17: The GSC Team
As season 3 of the Green Steel Challenge draws to an end, join Astrid, James and Mike as they reflect on the highlights.Since January, a lot of ground has been covered through an eclectic mix of industry perspectives, from Tata Steel’s view on electrification and wider system change, to geologic hydrogen with Koloma, advanced nuclear power with newcleo, and the growing strategic value of scrap in

Season 3/Episode 16: Marcel Genet, Laplace Conseil
Marcel Genet, Independent Steel & Metals Consultant and Founder & Managing Director, Laplace Conseil in Neuilly, France. Marcel has been a consultant in the steel industry for 47 years, first with McKinsey & Company, where he built and led the Firm’s Global Steel Practice. 1995, he founded Laplace Conseil, a boutique strategy firm, where he has predominantly worked with the scrap recyc

Season 3/Episode 15: Gareth Stace, UK Steel
Gareth Stace, Director General of UK Steel, the voice of the UK steel industry.Gareth represents producers at a critical moment, where competitiveness, energy costs, and decarbonisation are collidingFrom policy and trade to the realities of transitioning legacy assets, he sits right at the intersection of industry and government, helping shape what the future of British steel will look like. Hoste

Season 3/Episode 14: Dave Burritt, US Steel
Dave Burritt, President and CEO of US STEEL, one of the most iconic names in global steel.Under Dave’s leadership, U.S. Steel has gone through a fundamental transformation: reshaping its asset base, investing heavily in electric arc furnaces, and positioning itself for a lower-carbon future, while still operating some of the most demanding blast furnace assets in the world. And of course, he led t

Season 3/Episode 13: Peter Kinzel, SMS Group
Peter Kinzel has a degree in chemical engineering and PhD in process engineering.Peter started his career at Paul Wurth (today SMS Group) in 1999, has been living for 11 years abroad in South America, Chile and Brazil enabling him to gain experience in several ferrous and non ferrous processes.Since 4 years Peter is working on reducing the CO2 footprint for the traditional BF/BOF route by introduc

Season 3/Episode 12: Stefano Buono, Newcleo
Our guest is Stefano Buono, physicist, entrepreneur, and CEO of Newcleo, a company developing next-generation reactors that run on recycled nuclear waste.We’ll dive into how advanced nuclear could provide clean, reliable power and heat for green steel – from hydrogen production to electrified plants – and what it would take to bring this from concept to reality over the next two decades. Hosted on

Season 3/Episode 11: Rogério Nogueira, Vale
We welcome from Brazil, Rogério Nogueira, Executive Vice President of Vale.Vale is one of the world’s largest producers of high-grade iron ore and nickel, headquartered in Brazil, with major operations across South America, Asia, and the Middle East. The company supplies a significant share of the global steel industry and plays a central role in the decarbonisation of iron and steel value chains.

Season 3/Episode 10: John E. Lichtenstein, World Steel Dynamics
Partner at World Steel Dynamics. World Steel Dynamics is a leading strategic information service that tracks, models, and forecasts steel industry trends — from pricing and trade to decarbonization and technology disruption. John joined us two years ago in Season 1 of the Green Steel Challenge, offering one of the most thoughtful takes on the structural changes shaping the steel industry.This time

Season 3/Episode 9: Pete Johnson, Koloma,Inc.
Pete Johnson, CEO and co-founder of Koloma, based in Denver, Colorado. Koloma is focused on exploring and developing geologic (or “natural”) hydrogen as a new low-carbon energy source.If Koloma succeeds, it could transform the economics and availability of hydrogen – this could be a game-changer for decarbonising heavy industry. We’ll discover what geologic hydrogen is, how it’s found, and what it

Season 3/ Episode 8: TV Narendran, Tata Steel
T. V. Narendran, CEO and Managing Director of Tata Steel, based in Mumbai in India. Tata is one of the world’s most respected steel companies.We’ll discuss how Tata Steel is reimagining steelmaking through innovation, electrification, and new technologies.His perspective reminds us that the road to green steel is not just about new technology—it’s about rethinking systems, partnerships, and the ec

Season 3/Episode 7: The Journey So Far
Hosted on Acast. See acast.com/privacy for more information.

Season 3/Episode 6: Andy Marsh, Plug Power
Andy Marsh has served as CEO of Plug since April 2008, guiding the company’s transformation into a global leader in the hydrogen economy. Under his leadership, Plug has built the industry’s first vertically integrated green hydrogen ecosystem—spanning production, storage, delivery, and power generation—to help customers decarbonize at scale and achieve energy independence. A forward-thinking execu

Season 3/Episode 5: Alex Tancock, Intercontinental Energy
Alex Tancock is the CEO of InterContinental Energy, a global leader in large-scalegreen hydrogen development who has been at the forefront of the industry for morethan 10 years. Under his leadership, the company has pioneered a portfolio ofgroundbreaking projects, with its three flagship projects attracting partnerships fromsome of the largest names in energy.With backing from major instituti

Season 3/Episode 4: Olivier Vassart, ArcelorMittal Steligence
Steligence is ArcelorMittal’s science-backed construction philosophy that treats buildings as holistic, “living” entities—promoting integrated collaboration between architects, engineers, and developers to optimize flexibility, cost, and sustainability. It leverages a tailored suite of steel products and modular design to deliver measurable benefits like faster construction, lighter foundations, a

Season 3/Episode 3: Berk Birand, Fero Labs
Berk Birand, Ph.D. is the co-founder and CEO of Fero Labs, an industrial AI software company helping global manufacturers cut costs and emissions through explainable machine learning. With a Ph.D. in Electrical Engineering and Computer Science from Columbia University, Berk has published and patented research in IoT and network optimization. At Fero Labs, he leads the company’s mission of “Profita

Season 3/Episode 2: Sebastian Langendorf, Meranti Green Steel
Meranti Green Steel, based in Singapore, is developing a 2.5 Mt/year HBI plant in Duqm, Oman, using renewable hydrogen to supply CBAM-compliant green iron to Europe by 2029. At the same time, it is building Southeast Asia’s first green flat steel mill in Rayong, Thailand, producing up to 2 Mt/year of low-carbon hot-rolled coil with DRI + EAF technology. Together, these projects create an integrate

Season 3/Episode 1: Edwin Basson & Åsa Ekdahl, World Steel Association
The World Steel Association (Worldsteel) is the global industry association representing steel producers, national and regional industry associations, and research institutes—together accounting for around 85% of global steel production. It serves as the sector’s central platform for industry data, sustainability frameworks, policy advocacy, technological benchmarking, and setting standa

Season 2/ Episode 18: The GSC Team
As The Green Steel Challenge wraps up an incredible second season, hosts Astrid, James, and Mike take a look back at the biggest moments, key insights, and game-changing innovations that have shaped the conversation on the future of sustainable steel.From breakthrough technologies to bold industry commitments, this season has featured some of the most influential voices in the field.What have we l

Season 2/ Episode 17: Annie Heaton, Responsible Steel
It is vital that GHG emissions are measured and assessed in a standard and meaningful manner. Today, we talk with Annie Heaton, who is CEO of ResponsibleSteel, an organisation aiming to establish such a standard with the global steel industry. She describes the complex process of emissions measurement and the diverse technical and political issues involved. We also have a fresh pers

Season 2 / Episode 16: Michael Rion, Emirates Steel
There is much discussion about the Middle East becoming a regional or global hub for green iron (or steel) production, driven by inter alia, plentiful renewable and nuclear energy coupled to carbon capture opportunities. Here we chat with Michael Rion, Chief Commercial Officer of Emsteel, the largest steel producer in the UAE and one of the biggest in the region. The discussion rev

Season 2/ Episode 15: Adina Renee Adler, Global Steel Climate Council (GSCC)
Accurately measuring or calculating GHG emissions in a standard manner is critical in any decarbonisation process. Today, we speak with Adina Renee Adler, Executive Director of the Global Steel Climate Council (GSSC), a non-profit organisation aiming to establish such a standard within the global steel industry. She describes the extremely tricky process of emissions measurement, the pit

Season 2 / Episode 14: Sanjiv Lamba, Linde
Today, Sanjiv Lamba, CEO of Linde, joins us for an engaging conversation! Linde, a global leader in industrial gases and engineering, is at the forefront of developing solutions that drive productivity while supporting sustainability and decarbonisation efforts worldwide.From chemicals & energy to manufacturing, metals, and mining, Linde’s expertise spans a variety of industries. Their advance

Season 2 / Episode 13: Pierre- Etienne Franc, Hy24
Hydrogen is expected to be a key factor not only in steel industry decarbonisation but in much of manufacture and transportation, too, where the use of coal or hydrocarbons has previously been prevalent. Developing scalable technologies and funding the capital required for future hydrogen supply is very much a key to the Green Steel Challenge and the industry in general. In this episode,

Season 2 / Episode 12: Martin Pei, SSAB
Many consider the HyBrit project to be the original ore-based iron and steel-making decarbonisation project. One of the leaders behind that project is Martin Pei, the CTO of SSAB, based in Sweden, who also has steelmaking operations in Finland and the US. Here, we are lucky enough to hear how that process was developed, where it is now, and how it will fit in with the future SSAB. T

Season 2 / Episode 11: Roberto Pancaldi, Tenova
Tenova is the metals technology part of Techint, an Italian Argentine conglomerate that also owns the steelmaking companies Ternium and Tenaris, amongst others. Today, we talk to its CEO, Roberto Pancaldi, about how Tenova is playing a critical role in the Green Steel Challenge, especially regarding its ENERGIRON DRI and electric arc furnace (EAF). He offers an honest appraisa

Season 2 / Episode 10: Sandeep Nijhawan, Electra
Electrolysis is seen by many as being the end game of the Green Steel Challenge. In this episode, we sit down with Sandeep Nijhawa, CEO of Electra, one of the leaders in the use of “cold” hydrometallurgy to electrolyse iron-bearing ores to pure iron, with oxygen as the main by-product in a very low carbon process. He describes an enthralling journey so far for this Boulder, Colorado-base

Season 2 / Episode 9: John Mellowes, BioCarbon
Much of the Green Steel Challenge is about reducing the amount of CO2-emitting coal used in the blast furnace to reduce iron ore. However, carbon itself is an essential component of steel, and this is an issue in EAFs where coke also usually has to be added to obtain the required quality of steel. In this episode, we chat with John Mellowes, Cofounder of BioCarbon, an Australian start-up

Season 2 / Episode 8: Maria Persson Gulda, Stegra
In this episode, we speak to Maria Persson Gulda, CTO of Stegra, formerly H2Greensteel, located in Boden, Northern Sweden. A much talked about start-up, Stegra will produce green steel in a fully integrated production process, using end-to-end digitalisation, electricity from fossil-free sources and green hydrogen instead of coal. This way, CO2 emissions will be reduced by up to 95 percent compare

Season 2 / Episode 7: The Journey So Far
We are already halfway through Season 2 of the Green Steel Challenge. In this recap episode, Astrid, James, and Mike discuss the issues and points taken from these first six episodes. This covers, in particular, the roles of steel users in the transport, construction, and consumer goods sectors, as well as bringing in revolutionary technologies such as molten oxide electrolysis that will

Season 2/ Episode 6: Nicole Voigt, BCG
We welcome Nicole Voigt, Managing Director and Partner at the Boston Consulting Group known as BCG. Nicole is a member of the leadership team of the Materials & Process Industries practice area. She is the global lead for the metals topic for the firm and has deep expertise in working with clients in the steel and copper industry. Nicole also provides thought leadership to the steel industry r

Season 2/ Episode 5: George Adams, SA Recycling
In this episode, we welcome George Adams, CEO and President of SA Recycling. With more than 140 locations, SA has the largest network of scrap metal facilities in the United States and is one of the world’s largest recyclers. He is also on the divisional board of The Bureau of International Recycling, known as the BIR.

Season 2/ Episode 4: Alan Dunsmore, Severfield
The construction sector consumes about 50% of all steel in various forms around the world. It is a critical market for steel industry decarbonisation. Here, we talk to Alan Dunsmore, CEO of Severfield Ltd, one of the largest steel fabricators in Europe, on what the Green Steel Challenge means to him and his market. The implications are already profound, with construction clients and their contr

Season 2 / Episode 3: Tadeu Carneiro, Boston Metal
In this episode, we speak to Tadeu Carneiro, CEO at Boston Metal, based in Woburn, Massachusetts in the US and Minas Gerais in Brazil. Boston Metal is unlocking a future of sustainable metals and green steel production with the commercialisation of its Molton Oxide Electrolysis (MOE) technology platform. Hosted on Acast. See acast.com/privacy for more information.

Season 2/ Episode 2: Andrea Fuder, Volvo Group
In this episode, we welcome Andrea Fuder, Executive Vice President of Volvo Group Trucks Purchasing & Chief Purchasing Officer for Volvo Group, which is headquartered in Gothenburg, Sweden. Volvo Trucks is part of the Volvo Group and is one of the world’s leading manufacturers of trucks, buses, construction equipment and marine and industrial engines. Hosted on Acast. See acast.com/privacy for

Season 2/ Episode 1: Greg Murphy, Nucor
The second season of The Green Steel Challenges launches with our guest Greg Murphy, General Counsel & Executive Vice President of Business Services & Sustainability at Nucor, based in Charlotte, North Carolina. Nucor is the largest steel and steel products producer in the US and the largest recycler of scrap in North America. Hosted on Acast. See acast.com/privacy for more information.

Season 1: Finale: Highlights & Reflections
In the not to be missed final episode join Astrid, Mike and James’s they dive into a dynamic recap of the Green Steel Challenge. Relive the highlights, discover key insights and hear firsthand what we have learned and experienced. Plus get a sneak peak into the hot issues that will ignite debate in the upcoming season. Hosted on Acast. See acast.com/privacy for more information.

Episode 14: Thomas Hansmann, SMS Group
Episode 14 features Thomas Hansmann, CTO of SMS Group, one of the major equipment suppliers to the global steel and metals industry. We discuss how technology develops, especially in the world of decarbonisation, and how mature technologies such as blast furnaces can still adapt alongside very new technologies now under development. Hosted on Acast. See acast.com/privacy for more information.

Episode 13: Irina Gorbounova, ArcelorMittal
Join us in Episode 13 for our discussion with Irina Gorbounova, VP President M&A and Head of the ArcelorMittal XCarb Innovation Fund. This venture capital fund is focused on new companies in all regions of the world developing breakthrough technologies that will accelerate the steel industry’s transition to carbon-neutral steelmaking. It has already invested over $150 million. The episode off

Episode 12: Gunnar Groebler, Salzgitter Group
In Episode 12 we hear from Gunnar Groebler, CEO of Salzgitter Group. The Salzgitter Flachstahl integrated site is the European leader in converting from coal-based blast furnace production to renewable-powered EAF production based on H2-fuelled DRI as a raw material.The challenges for this transformation are truly immense, especially within Europe, and the discussion around it is critical to under

Episode 11: Mario Arvedi Caldonazzo, Arvedi Group
In Episode 11, Mario Arvedi Caldonazzo, CEO of Italian-based Arvedi Group, talks about how his group is unique within Europe in already being established as an EAF-based flat products producer, like the mini mills of North America.He talks about how the entrepreneurial spirit of his business and its technology capability allows it to respond dynamically to The Green Steel Challenge. Hosted on Acas

Episode 10: Anne-Marie Grossmann, GMH Gruppe
Episode 10 features Dr Anne-Marie Grossmann, Board Member of the German special producer GMH. Germany and its steel industry is perhaps at the forefront of the current revolution occurring in response to The Green Steel Challenge. In this episode Dr Anne-Marie Grossmann presents a clear and honest appraisal of what is happening in Germany which then has huge relevance to Europe and subsequently ot

Episode 9: Simon Farry, Rio Tinto
In Episode 9, we welcome Simon Farry, Head of Steel Decarbonisation at Rio Tinto. This is our first dedicated episode featuring an upstream miner and it offers a captivating view on the role of iron ore mining in the Green Steel Challenge. The discussion covers both the Atlantic and Asian markets that concern Rio Tinto whilst diving into the new technologies and business models that offer a tanta

Episode 8: John Lichtenstein, World Steel Dynamics
John Lichtenstein is the Managing Partner at World Steel Dynamics, a globally-known, US-based steel industry information provider and consultancy. World Steel Dynamics has recently produced one of the first comprehensive reports on the likely pathways to decarbonising for the steel industry and in this episode John describes and comments on the findings of the report and highlights that by 2030 w

Episode 7: The Journey So Far
In episode 7, James, Mike and Astrid discuss and recap the first six episodes of The Green Steel Challenge Podcast. They talk about what they have learnt and experienced and touch on some of the issues that will be debated in upcoming episodes. Hosted on Acast. See acast.com/privacy for more information.

Episode 6: André Bier Gerdau Johannpeter, Gerdau
André Bier Gerdau Johannpeter is the Vice Chariman of the Board of Directors and former CEO of Gerdau, the largest steel producer in South America as well as a major special steel producer in North America. Gerdau is a truly regional steel player that operates both iron ore and scrap-based steel production assets. André brings to the conversation this special perspective and provides insights int

Episode 5: Giacomo Mareschi Danieli, Danieli Group
In this episode we hear from Giacomo Mareschi Danieli, the CEO of Italy-based Danieli group, a key equipment supplier to the global steel industry as well as a steel producer. Giacomo explains what steel decarbonisation means from a technological perspective in this fascinating discussion on what will drive the green revolution.He describes how new technologies are shifting steel production to com

Episode 4: Sajjan Jindal, JSW Steel
In episode 4 we hear from Sajjan Jindal, the Chairman & Managing Director of JSW Steel, one of the largest steel producers within what is now the most dynamic and exciting steel market in the world. India will see the biggest growth in steel production and consumption of any region of the world in the next 50 -10 years. It has to do so while improving its relative carbon footprint. As a key in

Episode 3: David Stickler, Hybar
Episode 3 focuses on Hybar, a new venture that aims to become the most cost-efficient and most environmentally sustainable rebar producer in North America. In 2023, Hybar raised $700 million to build and operate a scrap metal recycling steel rebar mill. David Stickler, CEO of Hybar, describes his project, currently under way in Arkansas, and the role it will play in low carbon steel production. H

Episode 2: Stephen Montague, Midrex
In the second episode, Astrid, Mike and James interview Stephen Montague, the CEO of Midrex Technologies, a globally renowned, US-based steel plant designer and developer specialised in Direct Reduction Iron (DRI) processes. Midrex and its DRI technology are a critical part of the Green Steel Challenge. Owned by Japanese steelmaker Kobe Steel, Midrex has a strong research focus on low CO2 ironmaki

Episode 1: Edwin Basson & Åsa Ekdahl, World Steel Association
In this first episode of the Green Steel Challenge Podcast, Astrid Korf-Wolman, alongside co-hosts Dr Mike Walsh and James Moss, warmly welcome Edwin Basson and Åsa Ekdahl from WorldSteel - the world's largest steel association with members representing some 85% of global steel production. They discuss the ambitious journey of decarbonising the global steel industry and dive into a thought-provoki

Introduction
Each episode features Astrid Korf-Wolman, Willy Korf’s daughter, alongside Dr Mike Walsh, an independent consultant and project developer in the steel and special metals sector, and James Moss, strategy consultant and partner at First River Consulting.Join us as we engage with thought-provoking industry leaders and innovators, appraising our current position and exploring pathways to hasten steel
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