Project Delivery Team

Facilitating a greener energy future

Project Delivery Team

Kevin Botha
Project Director, Longonjo


Kevin is a qualified Electrical Engineer and Project Management Professional with over 45 years’ experience in the global mining industry. He has worked for blue-chip international companies and as a Director and Owner of companies providing engineering and project management services to the sector.

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Kevin’s global experience includes multibillion-dollar projects and related portfolios.

Jeremy Clarke
Project Sponsor, Longonjo


Having trained with Anglo American, Jeremy has 20 years of experience in gold, uranium, copper, and diamonds. He was previously Consulting Metallurgist for De Beers where he was responsible for metallurgical excellence at their plants globally.

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He left De Beers to start his own mining companies and successfully started four new ventures in the gold, diamonds, copper and emerald industries which were all subsequently listed on the TSE and AIM exchanges between 1997 and 2003 raising over US$100m in investment. During that time he acted as President, CEO, and Director on the Boards of these various companies. In 1999 Jeremy founded Metcon, a metallurgical consulting business that concentrated mainly in the diamond mining arena and eventually merged with Paradigm Project Management (Pty) Ltd (PPM) in 2008. Jeremy is now the Director and owner of PPM which has celebrated 14 years of project management in the southern Africa mining sphere. It has completed over 200 projects in that time, in 21 countries covering 21 commodities, and ranging in value from R2 million to R450 million.

Nigel Hudson
Infrastructure & Services Engineer, Saltend

Nigel has over 30 years’ experience in business leadership, project management, engineering and operations support, gained in the oil and gas, petrochemical, conventional power, nuclear power, water and infrastructure industries.

A Fellow of the Chartered Management Institute, Nigel has held senior project management positions with international engineering organisations, managing large white collar and blue collar delivery teams here in the UK and in Asia Pacific.

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Project portfolios range from six figure brownfield modifications to upwards of $1B complex industrial capital investment schemes. Since returning to the UK from a five year assignment as SVP Australia in 2020, Nigel has been supporting Pensana Plc Salt End Rare Earth processing development through the early phases including site enabling works.

Mark O’Rourke
Site Construction Manager, Saltend

Mark has over 25 years’ experience delivering complex construction projects for both Client and Contractor in the UK and internationally. With a strong focus on safety, he has detailed knowledge of leading the construction activities on onshore CDM, COMAH and NAECI sites, as well as offshore Oil and Gas platforms.

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Leading project delivery teams in excess of 350 people, Mark has delivered a portfolio of chemical related projects with a specific emphasis on the fabrication, construction and commissioning phases of the scopes, including the day-to-day management of the contractor and associated sub-contractors to meet the projects metrics of safety, cost, schedule and quality.

Commercial & Cost Management, Saltend

Mike is a Chartered Surveyor with over 35 years’ experience in strategising and leading the whole life cycle delivery of capital projects worldwide.

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Mike has a unique breadth of sector involvement and extensive depth of experience in the delivery of capital investments, from large scale urban regeneration through to the nuclear and defense sectors.

In Southern Africa, he worked predominantly with the major mining companies on development of new mining and beneficiation plant ventures and major upgrades.

Mike has held senior leadership and management roles in large scale complex programs, such as the London 2012 Olympics and the multibillion-Pound Palace of Westminster Restoration and renewals Program.

Specialisms are in framing client objectives into a focused and measurable delivery strategy, aligning delivery team’s goals to these objectives and managing client and stakeholder expectations as the delivery progresses.

Richard Dewhirst
Process Engineering, Saltend / Longonjo

Since graduating in Metallurgy with Mining from Nottingham University, Richard’s long career in the mining industry has seen him work around the globe for major mining companies such as Anglo American, de Beers, BHP, Rio Tinto and Vale as well as a number of engineering companies including Fluor, Jacobs, Ausenco, SKM, SMEC and Behre Dolbear.

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He has been based in Australia for the past 25 years, and previously spent 12 years in Africa and an equal time in Europe. A period outside mining for Pilkington in Corporate Planning following his full-time MBA at London Business School gave him exposure to financial modelling and strategic planning across an international group. For the past two decades he has managed, and consulted on, numerous studies covering a wide range of commodities. A former Chair of the Perth AusIMM Branch, he wrote the first Chapter of the AusIMM “Cost Estimation Handbook, 2nd Edition” drawing on his passion for developing Feasibility Studies. At Pensana, he has supported the metallurgical flowsheet development and helped push Value Engineering initiatives and Capital Cost interrogation on their behalf with their engineer, Wood.

Operational Readiness & Logistics Manager

Miguel is a ECSA registered Chemical Engineer with 25 years’ experience in the chemical, mining and minerals, and energy industries.  After starting his career within the Unilever group in the late 1990’s, he spent the first 10 years in various senior operational management and project roles.


During this time he also successfully completed his MENG (Engineering Management). Miguel then transitioned into mining and minerals with a focus on projects, studies and business development and has worked for several leading multinational engineering and OEM companies at a senior level. His commodity experience includes chrome, coal, copper, diamonds, gold, iron ore, lead, manganese, mineral sands, silica and rare earths.  Process exposure includes both hydrometallurgical and pyrometallurgical processes, sulphuric acid production, solvent extraction, and water treatment.  Miguel has also been involved in the energy sector with particular focus on battery energy storage systems. Miguel currently leads the Logistics and Operational Readiness workstreams for the Pensana Longonjo project.  He also supports the Project Director with day-to-day project related matters.

Dave Porter
Bulk Power Infrastructure, Longonjo

Since graduating with a B.Sc. Electrical Engineering (Cum Laude) in 1981, Dave has managed portfolios of mining projects throughout Africa and has directed project delivery for mining clients in various commodity sectors including rare earth metals, diamonds, gold, manganese, iron, copper, cobalt and zinc.


During his career he has had operations experience on various mines at section engineer, divisional engineer and engineering manager level. He is a Registered Professional Engineer (Pr Eng) with the Engineering Council of South Africa , an Accredited Project Management Professional (PMP) with Project Management Institute and a fellow of the South African Institute of Mining & Metallurgy. Dave oversees and is responsible for Bulk Power Supply at Pensana’s Longonjo project.