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With about 30 years of Energy industry experience, Milko Moussirou worked on Oil & Gas Exploration and Development Projects in several countries around the world. At an early stage of his career, Milko Moussirou worked for Shell in Gabon, NAM in the Netherlands and Shell Deep-water Services in Houston, Texas.

Milko Moussirou started his career in Exploration and quickly moved to Oil & Gas Field Development Studies (Technical & Economical evaluation of projects including PSC and Economic screening).


From 2007 to 2011, Milko Moussirou provided Integrated Field Development coaching and training to Shell International E&P and Total Group; Thus training 150+ people on field integrative opportunity planning across all subsurface, surface, and economic domain around the world...

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In 2011, Milko Moussirou moved back to Gabon and helped launch Gabon Oil Company, a newly created State Company. From 3 people, Gabon Oil Company moved to more than 120 employees late 2013 with a full set of Exploration, Development and Production disciplines. In 2013 GOC became the first Gabonese Company to produce Oil in Gabon History and achieved a country record of 15,7$/bbl in Opex on an onshore brown field.

In recent years ...

In December 2015, Milko Moussirou created Koval Petroleum that became Koval Energy in September 2017. Today our company invests its resources in the Renewable Energy Sector (Technologies and Projects). In parallel  Koval Energy still provides Oil & Gas consultancy services and training.

In 2022, Milko Moussirou has stepped down from the company's Managing Director position.

Today he focuses on new ventures in the Energy Transition, while he remains Koval Energy's shareholder.

Other position

Non-Executive Director at Talos Indian Ocean  (Mauritius) since April 2019


Awards ...

2004 - International RFI Net Africa award (Radio France International and the UNESCO)

2010-11 - Honored Member of the America Continental Who's who "Recognition of Excellence"

Photo credit © Petra Vlkova

Giving back to the Community ...


In May 2016, Milko Moussirou started to support the Bongolo Hospital in the middle of the Forest in Gabon.

Each year, with his donation, ten patients can have a free cataract surgery and Milko Moussirou also partly supports the logistics need of the Medical Evacuation Team.

More about Bongolo Hospital >>>

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