Meet Our Team

Our people are our business and it is on our people’s expertise, innovation, drive and relationships that we depend for the development of our business.

Erik Rietkerk

Chief Executive Officer

Erik Rietkerk is a chemical engineer, holding a business degree and boasting a long career in the oleochemical, mineral oil and agri business industry. His experience is in growing and integrating multi-asset operations and optimising process industry businesses in oils and fats, oleochemicals and biodiesel. This combined with operating multiple trading businesses gives Erik the skillset to grow Argent Energy into an industry leader in waste to energy.

Nicola Dean

Chief Financial Officer

Nicola Dean is a qualified finance professional with extensive experience in the energy sector. Having worked for many years in a multinational oil company, she established her expertise through a wide range of demanding finance roles. Other senior positions in the nuclear industry and the railway have enabled Nicola to demonstrate her transferable leadership skills, including ERP implementations and significant business transformation programmes. As a champion of diversity, Nicola has previously established a women’s network and enjoyed providing mentoring to others.

Craig Acton

Group Operations Director

Craig joined Argent Energy in July 2019 as group operations director and is accountable for the operational activities in both the Netherlands and the UK. His accountabilities include HSE, operations, engineering and maintenance, quality and supply chain. A chemical engineer, Craig was formerly head of manufacturing for Essar Oil in the UK and has more than 25 years experience in oil refining and petrochemicals manufacturing, the majority of which was gained with Shell in a variety of assignments in both the UK and the Netherlands. He started his career with Shell in The Hague and his last role with Shell was managing the Catalytic Cracker at Stanlow, prior to Essar acquiring Stanlow from Shell. Within Essar, Craig progressed to production manager and then head of manufacturing.

Dickon Posnett

Corporate Affairs Director

Dickon works on market development for renewable fuels through regulatory and legislative incentives. In Europe, he represents Argent Energy in the European Biodiesel Board (EBB), where he chaired the Advanced Biodiesel Committee for 10 years and has been a board member for six years, and in EWABA as a board member. In The Netherlands, Dickon works with the biodiesel associations MVO and NVDB, and chairs the NBAA, an alliance of waste-based biodiesel companies. In the UK, he sits on the board of the RTFA, the association for renewable transport fuels. Dickon is responsible for trade defence matters, working directly with DIT in the UK and with the EU Commission through EBB. Dickon became a Chartered Marketer in 2004.

Mike Scott

Chief Technical Officer

Mike is one of Argent Energy’s founder members and is responsible for all technical and scientific aspects of the business. Mike oversees the development, implementation and management of Argent Energy’s innovation strategy. He also supports the CEO in the development of a medium, longer-term strategy through technology selection allowing the business to grow into other areas that involve the utilisation of waste-based raw materials.  Mike is a fellow of the Institute of Chemical Engineers and a Chartered Process Chemical Engineer, with over 20 years of experience covering process engineering and development, plant construction/optimisation and project management. 

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Who We Are

Argent Energy Group produces second-generation biodiesel with the intention to decarbonise transport worldwide