Rebrab is the seventh-richest man in Africa, with a net worth of $5.1 billion.
However, Oppenheimer's net worth has risen by $750 million since the start of the year.
Younes explained that the $2.5 million in institutional funding will help the startup build on its success in the region.
The Ackerman family owns a significant 25.53-percent stake in the leading retailer, totaling 124,677,238 ordinary shares.
The sum is 33-percent less than in 2021.
Ezz, who founded Ezz Steel in 1994, owns 60.7 percent of the company.
Pullinger owns about 0.1 percent of the leading lender, or 5,634,679 ordinary shares.
Coumantaros owns a majority 63.34-percent stake in the agro group.
The news comes a week after ADC announced the construction of a 30-megawatt data center facility in Accra, Ghana.
The Motsepe Foundation facilitated $4.4 million in funding for the first two projects.
