Allan William Buchanan Gray (8 April 1938 – 10 November 2019) was a South African billionaire businessman and philanthropist.
Before he donated his stake in the Allan Gray investment management company, his net worth was estimated to have been US$1.8 billion in 2017.
[4] Gray stated that his grandmother played a large role in his future success by instilling a family focus on education.
Similarly, Orbis's sister company, Allan Gray grew to be South Africa's largest privately held investment management firm, managing over $35 billion in client capital, making Gray one of Africa's richest men, with a net worth above $2 billion.
[8] The return on investment from Allan Gray and Orbis since its founding is comparable in success to Warren Buffett's firm Berkshire Hathaway.