Leslie represents the Queen as the deputy lieutenant of Tower Hamlets, home to World Heritage sites, where DB Recovery+ UKESAD is held. He was awarded an OBE in 2013 for services to the pharmaceutical industry and charity.

He is a pharmacist, entrepreneur and philanthropist. He bought and transformed a retail pharmacy into one of the world’s leading specialist pharmaceutical and medical distributors supplying 23,000 different products to 180 countries. He has pioneered the free donation of in date pharmaceuticals exceeding £22million to charities in developing countries.

Leslie is a visiting fellow at Cass Business School, specialising in lecturing in philanthropic issues and is chairman of The Morgan Charitable Foundation. He is a liveryman with The World Traders as well as the Blacksmiths.