President & CEO

Mr. John Kamin Marcxell is originally from France. Founder & CEO of Marcxell Group (USA) for many years. Competence and experience in the energy, investment, and real estate sectors. Various advisory and consultancy mandates and CEO positions.

Mr. Marcxell holds a degree in Civil Engineering from the Institut Supérieur des Technologies Appliquées (ISTA – Higher Institute of Applied Technologies) and an M.Sc. in Financial Engineering, an elite program in France in the field of business and financial management, that considered one of the best business degrees in the world.



Olaf Schmid is Vice President of Marcxell Investment, THI.Group, and has extensive experience and skills in corporate functions. He is an outstanding specialist in financial management and is well-versed in real estate investment banking in the European Union. Mr. Schmid is a German national and leads a team of multilingual employees, including locals and expatriates.

As Marcxell Investment‘s Chief Financial Officer, Mr. Olaf Schmid oversees and monitors all of the company’s budgetary procedures: budget forecasts, financing plans, general accounting (cash flow and receivables). He draws up the various balance sheets and ensures that the company’s expenses are in line with its performance objectives, and respect the financial balances essential to Marcxell Investment‘s good financial health.

He also validates the contracts issued by the company and keeps a constant watch on legislation. He represents Marcxell Investment during negotiations with banks. Within our group, which is made up of several subsidiaries.



Derrick Mushika-Kakompe is Vice President of Marcxell Group Zambia and Marcxell Minerals. He represents the Group’s activities throughout Africa.

Mr. Mushika-Kakompe establishes the link between all the companies of the Group with the African authorities for the development of our activities in Africa. He is specialized in the field of trading, marketing and investment in Africa.

Cassandra SOTO


Cassandra Soto is a formidable professional within Marcxell Investment. She holds the position of General Secretary in Belgrade (Serbia) within our company. Cassandra Soto is currently in Mexico, and she is the general manager of the subsidiary THI.Group Mexico. She organizes the purchase of building lots for the realization and construction of resorts and luxury villas in Mexico.

Cassandra Soto ensures the continuity of our investments abroad. She manages trust missions (social plan, technology transfer, relations with foreign authorities), project management, implementation of information systems, structuring of an industrial group, initial audit, optimization of production lines.

Cassandra Soto also defines each center’s product range and specialization on its excellence, implementation of an information system, management of real estate projects, negotiations with suppliers, follow-up of a building site, and asset management.