The Green Steel Challenge
Episodes
Season 3/Episode 12: Stefano Buono, Newcleo
24 Mar 2026
Contributed by Lukas
Our guest is Stefano Buono, physicist, entrepreneur, and CEO of Newcleo, a company developing next-generation reactors that run on recycled nuclear wa...
Season 3/Episode 11: Rogério Nogueira, Vale
10 Mar 2026
Contributed by Lukas
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 ...
Season 3/Episode 10: John E. Lichtenstein, World Steel Dynamics
24 Feb 2026
Contributed by Lukas
Partner at World Steel Dynamics. World Steel Dynamics is a leading strategic information service that tracks, models, and forecasts steel industry tre...
Season 3/Episode 9: Pete Johnson, Koloma Inc
10 Feb 2026
Contributed by Lukas
Pete Johnson, CEO and co-founder of Koloma, based in Denver, Colorado. Koloma is focused on exploring and developing geologic (or “natural”) hydro...
Season 3/ Episode 8: TV Narendran, Tata Steel
27 Jan 2026
Contributed by Lukas
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’l...
Season 3/Episode 7: The Journey So Far
13 Jan 2026
Contributed by Lukas
Hosted on Acast. See acast.com/privacy for more information.
Season 3/Episode 6: Andy Marsh, Plug Power
16 Dec 2025
Contributed by Lukas
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 ...
Season 3/Episode 5: Alex Tancock, Intercontinental Energy
02 Dec 2025
Contributed by Lukas
Alex Tancock is the CEO of InterContinental Energy, a global leader in large-scalegreen hydrogen development who has been at the forefront of the indu...
Season 3/Episode 4: Olivier Vassart, ArcelorMittal Steligence
18 Nov 2025
Contributed by Lukas
Steligence is ArcelorMittal’s science-backed construction philosophy that treats buildings as holistic, “living” entities—promoting integrated...
Season 3/Episode 3: Berk Birand, Fero Labs
04 Nov 2025
Contributed by Lukas
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 thro...
Season 3/Episode 2: Sebastian Langendorf, Meranti Green Steel
21 Oct 2025
Contributed by Lukas
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 ...
Season 3/Episode 1: Edwin Basson & Åsa Ekdahl, World Steel Association
07 Oct 2025
Contributed by Lukas
The World Steel Association (Worldsteel) is the global industry association representing steel producers, national and regional industry ass...
Season 2/ Episode 18: The GSC Team
17 Jun 2025
Contributed by Lukas
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...
Season 2/ Episode 17: Annie Heaton, Responsible Steel
03 Jun 2025
Contributed by Lukas
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 Res...
Season 2 / Episode 16: Michael Rion, Emirates Steel
20 May 2025
Contributed by Lukas
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...
Season 2/ Episode 15: Adina Renee Adler, Global Steel Climate Council (GSCC)
06 May 2025
Contributed by Lukas
Accurately measuring or calculating GHG emissions in a standard manner is critical in any decarbonisation process. Today, we speak with Adina Ren...
Season 2 / Episode 14: Sanjiv Lamba, Linde
22 Apr 2025
Contributed by Lukas
Today, Sanjiv Lamba, CEO of Linde, joins us for an engaging conversation! Linde, a global leader in industrial gases and engineering, is at the forefr...
Season 2 / Episode 13: Pierre- Etienne Franc, Hy24
08 Apr 2025
Contributed by Lukas
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 o...
Season 2 / Episode 12: Martin Pei, SSAB
25 Mar 2025
Contributed by Lukas
Many consider the HyBrit project to be the original ore-based iron and steel-making decarbonisation project. One of the leaders behind that proje...
Season 2 / Episode 11: Roberto Pancaldi, Tenova
11 Mar 2025
Contributed by Lukas
Tenova is the metals technology part of Techint, an Italian Argentine conglomerate that also owns the steelmaking companies Ternium and Tenaris, among...
Season 2 / Episode 10: Sandeep Nijhawan, Electra
25 Feb 2025
Contributed by Lukas
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 Electr...
Season 2 / Episode 9: John Mellowes, BioCarbon
11 Feb 2025
Contributed by Lukas
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...
Season 2 / Episode 8: Maria Persson Gulda, Stegra
28 Jan 2025
Contributed by Lukas
In this episode, we speak to Maria Persson Gulda, CTO of Stegra, formerly H2Greensteel, located in Boden, Northern Sweden. A much talked about start-u...
Season 2 / Episode 7: The Journey So Far
14 Jan 2025
Contributed by Lukas
We are already halfway through Season 2 of the Green Steel Challenge. In this recap episode, Astrid, James, and Mike discuss the issues and point...
Season 2/ Episode 6: Nicole Voigt, BCG
10 Dec 2024
Contributed by Lukas
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 M...
Season 2/ Episode 5: George Adams, SA Recycling
26 Nov 2024
Contributed by Lukas
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 ...
Season 2/ Episode 4: Alan Dunsmore, Severfield
12 Nov 2024
Contributed by Lukas
The construction sector consumes about 50% of all steel in various forms around the world. It is a critical market for steel industry decarbonisation...
Season 2 / Episode 3: Tadeu Carneiro, Boston Metal
29 Oct 2024
Contributed by Lukas
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...
Season 2/ Episode 2: Andrea Fuder, Volvo Group
15 Oct 2024
Contributed by Lukas
In this episode, we welcome Andrea Fuder, Executive Vice President of Volvo Group Trucks Purchasing & Chief Purchasing Officer for Volvo Group, wh...
Season 2/ Episode 1: Greg Murphy, Nucor
01 Oct 2024
Contributed by Lukas
The second season of The Green Steel Challenges launches with our guest Greg Murphy, General Counsel & Executive Vice President of Business Servic...
Season 1: Finale: Highlights & Reflections
25 Jun 2024
Contributed by Lukas
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 highligh...
Episode 14: Thomas Hansmann, SMS Group
11 Jun 2024
Contributed by Lukas
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 te...
Episode 13: Irina Gorbounova, ArcelorMittal
28 May 2024
Contributed by Lukas
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...
Episode 12: Gunnar Groebler, Salzgitter Group
14 May 2024
Contributed by Lukas
In Episode 12 we hear from Gunnar Groebler, CEO of Salzgitter Group. The Salzgitter Flachstahl integrated site is the European leader in converting fr...
Episode 11: Mario Arvedi Caldonazzo, Arvedi Group
30 Apr 2024
Contributed by Lukas
In Episode 11, Mario Arvedi Caldonazzo, CEO of Italian-based Arvedi Group, talks about how his group is unique within Europe in already being establis...
Episode 10: Anne-Marie Grossmann, GMH Gruppe
16 Apr 2024
Contributed by Lukas
Episode 10 features Dr Anne-Marie Grossmann, Board Member of the German special producer GMH. Germany and its steel industry is perhaps at the forefro...
Episode 9: Simon Farry, Rio Tinto
02 Apr 2024
Contributed by Lukas
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 ...
Episode 8: John Lichtenstein, World Steel Dynamics
19 Mar 2024
Contributed by Lukas
John Lichtenstein is the Managing Partner at World Steel Dynamics, a globally-known, US-based steel industry information provider and consultancy. Wo...
Episode 7: The Journey So Far
05 Mar 2024
Contributed by Lukas
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 hav...
Episode 6: André Bier Gerdau Johannpeter, Gerdau
20 Feb 2024
Contributed by Lukas
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...
Episode 5: Giacomo Mareschi Danieli, Danieli Group
06 Feb 2024
Contributed by Lukas
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 ...
Episode 4: Sajjan Jindal, JSW Steel
23 Jan 2024
Contributed by Lukas
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 ...
Episode 3: David Stickler, Hybar
09 Jan 2024
Contributed by Lukas
Episode 3 focuses on Hybar, a new venture that aims to become the most cost-efficient and most environmentally sustainable rebar producer in North Ame...
Episode 2: Stephen Montague, Midrex
12 Dec 2023
Contributed by Lukas
In the second episode, Astrid, Mike and James interview Stephen Montague, the CEO of Midrex Technologies, a globally renowned, US-based steel plant de...
Episode 1: Edwin Basson & Åsa Ekdahl, World Steel Association
27 Nov 2023
Contributed by Lukas
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 ...
Introduction
23 Nov 2023
Contributed by Lukas
Each episode features Astrid Korf-Wolman, Willy Korf’s daughter, alongside Dr Mike Walsh, an independent consultant and project developer in the ste...