Jonathan holds a number of roles at charitable organisations he has a personal interest in, particularly focusing on education and the Arts. He is widely regarded for his philanthropy and recognised as one of the most important private collectors of fine instruments in recent times, particularly those of Stradivarius and del Gesu, A number of his instruments are played by world leading soloists including Nicola Benedetti. He chairs the Advisory Board of the London Symphony Orchestra and has been an active supporter and trustee of a number of the Prince of Wales' Charities as well as the Mayor of London's music fund. Jonathan has over thirty years’ experience in leading roles in the financial services industry having been head of Bank of America's International business and CEO of Merrill Lynch International post the Bank of America merger. He has worked for extended periods in key financial centres in Asia, Europe, and the US. Jonathan also currently serves on the Boards of a number of public listed companies including as Senior Independent Director of IG Holdings, a world leader in derivatives trading and as Chair of Litigation Capital Management, one of the most experienced litigation funders.