[7] Oppenheimer appeared on the Sunday Times Rich List 2018 as the 23rd richest person in the United Kingdom, with a reported fortune of £5.5 billion.

[11] The Oppenheimer family has directed much of its philanthropic efforts towards preserving the heritage and cultural importance of the Southern African region, as well as to broader community upliftment in the areas of education, health, nature conservation and the arts.

[12] The Oppenheimer family partnered with De Beers to establish the Diamond Route in 2006 to maximise the potential of their properties for conservation, research and environmental awareness purposes.

The Diamond Route links 8 sites across northern South Africa, stretching from Namaqualand on the west coast, to Kimberley, north to Tswalu in the Kalahari, and to the Brenthurst Gardens in Johannesburg, eastwards to Ezemvelo Nature Reserve and northwards to the Venetia Limpopo Nature Reserve in Limpopo Province.

[15] He received the Presidential Order of Honour (2004) from the former President of Botswana, Festus Mogae,[16] and an honorary fellowship (2009) from the London Business School.