Leigh Bregman was educated at St. John’s College, Johannesburg and attended the University of the Witwatersrand where he completed a BSc Joint Honours in Zoology and Philosophy. He also holds a MA in Philosophy from Carnegie Mellon University and the PhD in the History and Philosophy of Science from University College London.

After his studies, Leigh went into finance, becoming a mining and resource specialist with Rand Merchant Bank and later Morgan Stanley. In 2014 he left Morgan Stanley to focus on other business interests. Leigh has long been involved in philanthropy through his close links with the Sunshine Foundation Trust and, more recently, the Javett Foundation. He retains his interests in history.