Marina Gregory Vasilis Yalouris is the niece of the president of South Sudan, Salva Kiir.[67] She was listed as a shareholder of 16 South Sudan-based companies. These include:
Ayen Model Forex PLC, as of July 27, 2010;[43]
Vasilico Investment Company Limited, as of November 29, 2011;[66]
Deep West Petroleum Co Ltd, as of October 7, 2015;[138]
Golden Square Logistics Co ltd, as of March 11, 2016;[85]
Jubabet Co Ltd, as of June 16, 2016;[91]
Royal Wings Aviation Limited, as of September 18, 2014;[59]
Yeni Investment Co Ltd, as of December 5, 2011;[69]
Burduras Petroleum Co, as of October 9, 2013;[45]
Butterfly International Co Ltd, as of September 17, 2015;[139]
MGI Energy Ltd, as of September 19, 2012;[55]
Ayen Enterprises Ltd, as of June 26, 2015;[42]
Vision Investment Company Limited, as of November 7, 2013;[67]
The Frontier Logistics, Clearing and Forwarding Co Ltd, as of September 26, 2011;[64]
MGI Media Communications Ltd, as of August 6, 2012;[95]
Mohads Investments Ltd, as of May 19, 2015;[96] and
Agapi International Investment Company Limited.[38]
She was a director of PETAL Petroleum Limited as of June 23, 2015.[119]
In a 2024 response to The Sentry, a shareholder of Golden Square Logistics stated that the company does not exist anymore.[215]