Argus Clean Ammonia Europe Conference

Boudewijn Siemons

CEO, Port of Rotterdam

Boudewijn Siemons has been Chief Executive of the Port of Rotterdam Authority since 1 February 2024. Before then, he served as Chief Operating Officer from October 2020 and interim Chief Executive from July 2023. Earlier he worked as President of Royal Vopak’s Americas division and had a range of management positions at Royal VolkerWessels between 1998 and 2006. As Chief Executive of the Port of Rotterdam, Boudewijn is member of the World Hydrogen Advisory Board. The Port of Rotterdam is working with various partners towards the introduction of a large-scale hydrogen network across the port complex, making Rotterdam an international hub for hydrogen production, import, application and transport to other countries in Northwest Europe.

Carl-Antoine Saverys

CEO, Exmar

Carl-Antoine has been involved in the family ship owning business since 2009, starting with an internship at Exmar Offshore Houston and chartering manager at CMB. He further developed his experience in shipping as Sale and Purchase Broker, with Victoria Shipbrokers GmbH & Co. KG in Hamburg. He rejoined as Business Development Manager for the Infrastructure department at EXMAR NV in 2017. In 2022 he joined the Shipping team as Deputy Director. He holds various director positions in Exmar Group companies including Ship Management.

Jose Antonio de las Heras

CEO, FertigHy

Jose has more than 25 years of experience, half of it in the energy sector. FertigHy was founded in June 2023 and is dedicated to the development, construction and operation of low-carbon, hydrogen-based fertilizer plants. Previously, he was the chief executive of Sunrgyze, a technology startup focused on developing photo-electrocatalysis technology for hydrogen. He holds a degree in Industrial Engineering from ICAI at Comillas Pontifical University and a master’s degree in Engineering, Manufacturing and Management from the University of Birmingham.

Suryan Wirya-Simunovic

Executive Officer, Mitsui O.S.K. Lines

Since April 2023, Suryan has served as MOL’s executive officer Europe Africa based in London, where he runs the LNG, offshore and decarbonisation business in the Atlantic basin. He is also managing director of MOL (Europe Africa), regional head of marketing for Europe and Africa (energy-related business), and regional head of marketing for the Americas (energy-related business). Suryan has more than 30 years of energy and maritime industry experience. Before MOL, he was executive vice-president at Golar LNG and has worked for BP, Enron Europe, the Ultramar and Ultragas Group of companies, as well ExxonMobil.

Hakon Skjerstad

Chief Executive, Azane

Håkon has over 15 years of experience from the Energy sector. During his 10 years at Europe's leading renewable energy producer, Statkraft, he held a number of management positions in Finance, Business Development and Project Development. Håkon established Statkraft’s operations in Italy and had assignments in Ireland, and The Netherlands. His prior experience includes four years as a management consultant in DNV and two years in a renewables start-up. He holds a MSc degree in Industrial Economics and Technology Management from Norwegian University of Science and Technology, NTNU.

Stephen Jackson

CEO, Ammonia Europe

Ewelina Daniel

Policy Officer, DG CLIMA, European Commission

Vibeke Rasmussen

SVP Product Management and Certification & President, Yara Clean Ammonia & Ammonia Energy Association

Vibeke joined Yara in 2014, where she has been working within R&D as head of the NPK and environmental technologies department, and as product quality director prior to joining the Yara Clean Ammonia team. Prior to joining Yara, Vibeke worked within the waste and water industry for many years, where she also held managerial positions. She was managing director for Norwegian water and wastewater engineering company BioTek, and was also COO for KrugerKaldnes, which is part of Veolia. Vibeke has an MSc in civil engineering from the Norwegian University of Science and Technology, and an MBA from Lincoln University.

Luca Volta

Hydrogen Venture Executive, Low Carbon Solutions, ExxonMobil

Rick Beuttel

Vice President of New Energy US , Woodside Energy

Rick Beuttel is the Vice President of New Energy US for Woodside Energy. In this role, Rick is responsible for the strategic development of Woodside’s new energy projects and portfolio in the US. Prior to joining Woodside in April 2024, Rick was Vice President of Business Development Hydrogen at Bloom Energy. He began his career in 1990 with Air Products where he nearly spent more than 30 years and held senior leadership roles across the US and Latin America, including Vice President of Large Projects Business Development, Americas where he led the development of over $10B of clean hydrogen, ammonia and SAF investments. Rick has extensive experience in project and business development, deploying and scaling large scale hydrogen and derivatives projects across international markets. He holds a Bachelor of Science in Mechanical Engineering from Stevens Institute of Technology and a MBA in Finance from Lehigh University.

Benedikt Messner

Senior Vice President, Uniper Global Commodities

In this role, Benedikt primarily focuses on building a portfolio of renewable power purchase agreements, global green hydrogen-related projects and offtake agreements. His interests extend into clean technology and energy transition ventures. Benedikt was General Manager at Enerjisa in Turkey until July 2016, which is a joint venture between Germany utility Eon and Turkish conglomerate Sabanci. Before joining Enerjisa in 2013, Benedikt was Origination Director at Eon Global Commodities in Düsseldorf. Before that, he held various managerial roles, including leading the power trading desks at Eon, Acton Energy and Enron Europe. Benedikt has a master’s degree from Vienna University of Economics and Business Administration.

Olivia Barnes

Head of Low Carbon Commodities, EnBW

Olivia leads the low carbon commodities team at utility EnBW. Her particular focus is on the commercialisation of upstream green and low-carbon molecule projects, to unlock midstream infrastructure and secure downstream end use in Europe. Olivia has almost two decades’ experience in the energy and utilities sectors. She began her career at ExxonMobil, optimising equity gas production flows and securing long-term production for South Hook LNG. After ExxonMobil, Olivia spent over a decade at European trading firm Vitol, trading the pan-European gas portfolio and expanding it to new markets in the North Sea and eastern Europe.

Lisa Maria Assmann

Senior Shipbroker, Steem1960 Shipbrokers

Lisa Assmann is Senior Shipbroker at the projects department at Steem1960, where her focus is on long term ammonia projects in addition to other specialised shipping (liquid gases, chemicals and clean petroleum products). Prior to that Lisa has been heading the gas analytics team at Steem1960 for 6 years as a leading expert in LPG, Ammonia and Petrochemical shipping, working closely together with the market’s forefront ammonia shipbroking desk. As part of her previous career Lisa worked in consulting and banking in addition to being a researcher at Norwegian School of Economics in Bergen and the Energy Institute at UCL in London investigating aspects of green shipping and prediction methodology for freight. Lisa holds a Ph.D. in Business Economics and a Master of Science in Energy Economics from Norwegian School of Economics, as well as a B.A. in from Zeppelin university, Friedrichshafen, Germany.

Bert De Backker

Policy Manager EAME, Low Carbon Solutions, ExxonMobil

Bert holds a master’s degree in electrical engineering from KU Leuven University in Belgium, and has 27 years of experience in various manufacturing, planning and business leadership positions in ExxonMobil's refining, lubricants and chemicals businesses in Europe and Asia. Bert assumed his current position in September 2022.



He is married and based in Brussels, Belgium.

Christian Berg

Managing Director, Norway, Amogy

Christian has over 25 years of international leader experience in the oil and gas and offshore wind industries. His background includes hands-on experience with vessels, marine consultancy and offshore chartering. He joined Amogy Norway in 2022 as Managing Director, and was previously Commercial Director with Yara Clean Ammonia.

Monique Berrevoets-Steenbakker

Strategic Advisor, Antea Group

Monique specialises in the field of energy transition and the role of hydrogen/ammonia as an energy carrier. She advises Seveso companies, and national and local government on several topics on opportunities, legislation, managing safety (including developing toolings) and stakeholder management etc. Monique currently works for several companies in the storage and transport of ammonia, and national and local governments to find the best ways of dealing with the expected increase of transport of hydrogen and ammonia.

Tobias Birwe

Director Sales, Fertilizer and Methanol, thyssenkrupp Uhde

Tobias has worked at thyssenkrupp Uhde since 2003, and has been involved in large-scale EPC jobs in the fertilizer industry. He started his career as process engineer developing ammonia plants based on Thyssenkrupp’s uhde ammonia technology. After spending a year in Saudi Arabia on a commissioning job for the Ma’aden 1 ammonia complex, he joined Thyssenkrupp’s sales department, and since 2015 has headed its fertilizer and methanol unit. He has a diploma in industrial engineering from Germany’s Technical University Braunschweig.

Tim Cheyne

SVP - Global Head of Agriculture, Fertilizers, Ammonia, DEF, Argus

Tim is Senior Vice President for the fertilizer sector at Argus. Tim worked a process manager at an ammonia/urea plant in South Africa before moving to the UK to join KBR (then M.W. Kellogg) as a process engineer in the ammonia technology team. More recently Tim has covered fertilizer and industrial nitrogen as a market analyst.

Xavier Dalloux

Product Manager - Ammonia, Ameropa

Gilles Decan

Program Manager Hydrogen, Port of Antwerp-Bruges

Gilles has worked his entire career in the synthetic renewable fuels sector. Before joining the port authority, he focused on the implementation and optimalisation of e-fuels in maritime engines as a doctoral and post-doctoral fellow. By switching to the Port of Antwerp-Bruges, he remains active on hydrogen-related matters but shifted from a research-oriented approach to a more industrial point of view. Currently, he keeps an overview on the hydrogen strategy of the port and the positioning of the Port as a hydrogen hub.

Johannes Eng

Corporate Development and Strategy, Port of Duisburg

Johannes is currently Senior Project Manager for Corporate Development and Strategy at German port Duisport Duisburger Hafen AG. Johannes’ work focuses on energy transition at the port, including new energies, hydrogen and its derivates, and port transformation. Prior to taking on this role, Johannes worked as Senior Manager Business of Solutions and Supply Chain Analyst for Duisport’s packing logistics department, where he oversaw global supply chain logistics and contract management. He also previously worked as Operations Manager for solar module manufacturer Canadian Solar, and as Head of Logistics for Norwegian renewable energy developer Scatec Solar. Johannes has a degree from EUFH European University of Applied Sciences Brühl, Germany and Saint Mary’s University, Halifax, Canada.

Duna Uribe

Senior Business Manager, Clean Ammonia, Port of Rotterdam

Duna Uribe is a Senior Business Developer for clean ammonia at the Port of Rotterdam. Duna is an international port development professional with commercial expertise having worked in projects internationally, including the Americas, Europe, the Middle East and Asia. As part of Port of Rotterdam International Duna had a leading role in creating the partnership with the Pecem Port Complex, a joint venture from the Port of Rotterdam situated in Brazil where together with government, academic and industrial stakeholders she led the launch of Pecem’s green ammonia export hub. Currently she manages the clean ammonia portfolio ensuring that the new molecules will flow through the Port of Rotterdam. She is passionate about gender equity, travelling and creating a prosperous path to net zero.

Thierry Grauwels

Head of Benelux, Hinicio

Joyce Grigorey

Hydrogen Principle, Consulting, Argus

Joyce is a Principal in the Consulting practice at the London office of Argus Media, covering hydrogen. She has over 15 years of experience across the natural resources sectors, including hydrogen, power & renewables, petrochemicals, plastics, refining, gas and shipping. Prior to her role at Argus Media, she worked for a number of research and consulting firms, where she has led the development of new business units in hydrogen and chemicals, as well as managed bespoke consulting projects. Joyce holds an MBA (Hons) from Imperial College London.

Oliver Hatfield

VP Fertilizers, Argus

Oliver Hatfield, is VP Business Development for Argus Media in London. Oliver joined Argus in October 2018 following its acquisition of Integer Research, where he spent 15 years as head of the fertilizer market research team. Oliver has more than 20 years of experience in business analysis and consulting, and he was also one of the founders of Integer. Oliver has worked extensively on multi-client and bespoke fertilizer market analysis studies, covering market forecasts, strategy, due diligence, market entry and project feasibility. He has worked as an analyst on all the key fertilizer and related chemical markets: nitrogen, phosphates, potash, sulphur and sulphuric acid. Oliver is a graduate of economics and development economics from the University of Manchester in the UK.

Emile Herben

Director Product Management & Certification, Yara Clean Ammonia

Xander Japin

Senior Business Development Manager hydrogen and CCS, VTTI BV

Harish Jayaram

Vice President, Business Development, Hygenco Green Energies

Stefan Kruempelmann

Hydrogen and Future Fuels Editor, Argus

Stefan leads Argus‘ Hydrogen and Future Fuels service which provides news, analysis, production cost indicators and datasets on hydrogen, e-methanol and ammonia. He has been with Argus for more than six years and covered European natural gas markets before shifting his focus to hydrogen and its derivatives. Prior to this, he worked for an investment research company in London and studied in Maastricht, Leeds and London.

Lizzy Lancaster

Senior Reporter - Ammonia, Argus

Lizzy is a senior report at Argus Media specialising in traditional ammonia and emerging clean ammonia markets. After joining Argus in 2021, she covered ferrous metal markets with a focus on green steel, before moving into fertilizers in 2023 where she has expanded the breadth of Argus coverage and analysis of clean ammonia. She holds a masters degree in politics from King’s College London.

Ge Liu

International Trade Manager, SPIC-JEP

Ge is responsible for the international trade management of renewable energy sources such as hydrogen and ammonia at Jilin Electric Power’s sales company. She is involved in international markets, conducting trade negotiations and managing cross-border business operations, driving the company's international development in the renewable energy sector. Ge graduated from the School of Environmental Ecology at the University of California, Irvine, with a solid foundation in environmental science, and completed graduate studies at the UK’s Warwick Business School, specialising in business management.

Floris Mackor

VP WBL Large Industries for CCS and NH3 Strategy, Air Liquide

Floris has held a variety of technical, commercial, managerial and executive positions within Air Liquide in Europe, Asia and North America. His focus is on engineering and construction and large industry. Most recently, he has overseen tonnage business for the Benelux countries and northwest Europe. Floris has degrees from Delft University of Technology and London Business School.

Jack Merriott

Senior Manager - Consulting Services, Argus

Jack Merriott has ten years’ experience working in strategy consulting, strategic planning and market intelligence, spanning fertilizers, industrial products and consumer goods and is responsible for low carbon consulting projects at Argus Media, spanning green hydrogen, green ammonia and carbon markets. Prior to joining Argus, he was a Manager at Integer Research with responsibility for consulting projects in Europe and the America. Jack is a graduate of Oxford University and is fluent in French and Spanish.

Tamme Mekkes

Business Development Director, Chane Terminals

Bruce Moore

Director Strategy and New Energy, Mitsui O.S.K. Lines

Bruce is involved with Mitsui OSK’s decarbonisation-related shipping activities such as CCUS, offshore wind and hydrogen and ammonia carriage. He has worked in the energy and maritime industry for nearly 30 years. Before rejoining MOL in 2022, he spent three years at shipbroker Howe Robinson Partners conducting LNG and decarbonisation activities. Prior to this, he worked for 23 years at BP, where he held roles in upstream production and exploration, gas and power marketing, and he has also worked at BP Shipping LNG ship chartering. He has a BA in chemistry and PhD in clinical medicine from Oxford University.

Can Murtezaoglu

Business Development Manager, GTT

Can Murtezaoglu joined GTT at the start of 2023 as a Business Development Manager, responsible for all GTT products and services — including ammonia storage and transport-related technology developments — with a special focus on countries and regions such as the Netherlands, Germany, Denmark, Turkey and Africa. Prior to joining GTT, he held executive roles at international energy firms, specifically covering energy, LNG and technology industries. He is fluent in Turkish, English and French and holds a bachelor’s degree in electrics and electronic engineering from Turkey’s Koç University and an MBA from HEC Paris.

Andrej Nötzel

Director, Energy, KfW IPEX-Bank

Adam Nye

VP Global Carbon Markets, Argus

Adam joined the Argus Media business development team in April 2022 to lead the development of a pricing & reporting product for the voluntary carbon markets. After spending the earlier part of his career with Enron and Williams Energy in physical oil trading & distribution, Adam spent 10 years in the commodities group at Morgan Stanley working with corporate clients in the energy derivatives space. Helping clients navigate the early years of the ETS started his journey in carbon and later, as Head of EMEA Energy Origination at Commonwealth Bank of Australia, he worked with clients wanting to start to engage with the voluntary carbon markets. Adam has an academic background as a chemist having completed his undergraduate degree at the University of Manchester Institute of Science & Technology and has a bilingual MBA from IESE Business School in Barcelona.

Navid Ostadian-Binai

Head of Green Vessels and Fuels, Maersk Tankers

Navid is Head of Green Vessels and Fuels at Danish shipping firm Maersk Tankers, where he is concerned with the commercialisation and scale-up of green shipping. Navid has 17 years of technical and commercial experience across various industries and has helped initiate and grow business for corporate and start-up companies. He has an MSc in materials science and engineering from the Norwegian University of Science and Technology, and is an advocate for the energy transition and equitable opportunities.

Steve Petridis

Special Advisor to the Chairman, Air Products

Steve has more than 40 years of experience in the energy sector and the broader chemicals industry. His industry experience covers oil and gas exploration, industrial gases, carbon project development, chemicals, hazardous waste and industrial services, green and blue hydrogen, and ammonia, including carbon capture and sequestration. In his current role, Steve provides strategic input and undertakes special assignments and studies.

Yohanna Pinheiro

Reporter, LPG & Ammonia Freight, Argus

Christian Renk

Head of Technology, Innovation & Sustainability (TIS), thyssenkrupp Uhde

Christian studied chemical engineering and did his PhD on DME synthesis from gasified biomass at the Karlsruhe Institute of Technology. Following completion of his PhD, Christian worked in Australia for six years in the fields of wastewater cleaning and nitric acid/ammonium nitrate. He returned to Germany and started working for thyssenkrupp in 2014 as a research engineer. A year later, he was promoted, heading the Technology, Innovation and Sustainability Fertilizer group. Through restructuring the group, Christian is now responsible for several technologies including green and blue ammonia developments.

Kevin Rouwenhorst

Technology Manager, Ammonia Energy Association

Kevin focuses on technology aspects along the ammonia energy value chain, such as low-emission ammonia production, ammonia storage and handling, and ammonia utilisation as a zero-carbon fuel and hydrogen carrier. He also keeps a list of all low-emission ammonia projects, which is available for members, and hosts the webinar series Ammonia Projects. Kevin holds a master’s degree in Chemical and Process Engineering from the University of Twente, where he also gained his PhD.

Ruth Sharpe

Editor - Ammonia, Argus

Ruth has been editor of the Argus Ammonia report since 2017, most recently overseeing the report’s expansion into the clean ammonia space. She joined Argus in 2009 and covered the coal, biomass and freight markets in the UK and US, before moving into fertilizers in 2016. She has a master’s degree in journalism from Brunel University London.

Marina Simonova

Principal - Consulting, Fertilizer & Clean Ammonia Analytics, Argus

Marina has more than 20 years' experience in the fertilizer industry, specialising in the ammonia value chain, including low-carbon ammonia. She leads Argus’ subscription analytics team across all fertilizer nutrients, focusing on short and long-term forecasting. Marina has developed a unique, in-depth understanding of the global fertilizer and ammonia markets, from leading producers to consulting companies. She also has a senior leadership role at global association IFA. 

Rik Sneep

Director of Strategy and Transformation, Moeve

Rik is a visionary leader and accomplished strategist in the energy industry. He previously held several key leadership positions within Shell. A seasoned speaker and thought leader, Rik frequently participates in industry conferences and government roundtables, sharing his insights on the future of energy, sustainability and innovation. He holds an MBA from Duke University and has graduated from the World Business Council of Sustainability Leadership Program at Yale.

Keshni Sritharan

Business Development & Investments , OCI Global

Keshni Sritharan is a Senior Associate in OCI’s Corporate Business Development and Investments Team, primarily responsible for executing on OCI’s Hydrogen and decarbonization initiatives globally. Keshni has been with the company for 3 years and previously held positions in investor relations and nitrogen commercial. Prior to joining OCI, Keshni was with CRU for several years as a senior analyst covering nitrogen and natural gas analysis.

Mark Stoelinga

Director, Energy & Infrastructure , Port of Rotterdam

Mark Stoelinga studied Chemical Engineering in Delft and moved to the UK after his graduation to work in the industrial gas business for Air Products. After several years in techno-commercial roles he worked in China as the Equipment Sales Director for Asia and then moved to India where he was Country Manager and member of the joint-venture Board. After returning to the Netherlands he started at Worley Engineering as Business Manager for the Netherlands and then moved his focus to large energy transition projects in the Port of Rotterdam. In 2021 Mark joined the Port of Rotterdam Authorities as Business Manager with a focus on Hydrogen and Infrastructure.

Marcel Van de Kar

Senior Vice President, Hydrogen, Vopak

Naomi van den Berg

Program Manager Sustainable Transport, Port of Rotterdam

Naomi is passionate about shipping and sustainability, and combines this in her current role. She has worked on various international partnerships in previous roles in the shipbuilding industry, as well as in her detour to the clean cooking sector. Naomi leverages her experience for the bunkering of alternative fuels in the green corridor of Rotterdam-Singapore, and in various other projects across the value chain to accelerate the decarbonisation of transport. She holds a master’s degree in Marine Engineering.

Marc van Doorn

Director, Green Developments, Fertiberia

Juriaan  van Tilburg

Manager – The Netherlands, Hinicio

Willem de Vries

Head of PtX Derivative Trading & Offtake, Enertrag

Robert Vroege

Director ING Metals Mining & Fertilizers, ING Bank

Robert has extensive experience with over 25 years in banking and a background in asset backed finance and consulting. He joined the Metals Mining & Fertilizers team 6 years ago and as “Global fertiliser Lead” has coordinated and executed transactions in the sector in both project and corporate financings. Currently he specialises in core Fertilizer markets involving the Nitrogen, Potash and Phosphate related macro nutrients.

He has a responsibility to support transactions and enable strategic dialogues with key fertiliser producers throughout the ING network.

ING has strong sustainability credentials and expertise, therefore low emissions Hydrogen/Ammonia and the energy transition are a particular focus and are addressed in close collaboration with colleagues in the ING Energy Project Advisory business and New Energy Technologies.

Alistair Wallace

Principal - Consulting, Argus

Alistair Wallace is Argus' head of ammonia research, and leads Argus' cost modelling in the clean ammonia space. Alistair also has over 15 years of experience in the nitrogen market and supports the company’s research on the wider fertilizer industry, focusing primarily on cost competitiveness and mid to long-term price forecasting for the N, P and K markets. Alistair presents at major conferences on ammonia and fertilizer market trends.

Graham Weale

Professor for Energy Economics, Ruhr University Bochum

Graham focuses on decarbonisation, hydrogen and derivatives, and power market design. He spent nine years as Chief Economist for RWE, Germany’s largest power generator, and before this was Director of European Energy Services for Global Insight, now S&P. His responsibilities have included projects for the European Commission, governments and regulators, and acting as an expert witness in natural gas arbitration cases. During a stint at Deloitte, he specialised in energy liberalisation. He began his career with ExxonMobil, working in supply and refining. Graham has a physics degree from Oxford University, an MSc in systems engineering from the University of London and an MBA. He is a regular speaker and moderator at international conferences.