Jonathan co-founded Cain International in 2014 and has since grown it into a privately held investment firm with nearly $11 billion in assets under management spanning real estate debt, equity and private equity across Europe and the United States. Prior to Cain International, Jonathan was Head of European Real Estate and Direct Investments at Guggenheim Partners. He previously served for seven years as Deputy Chief Executive of Heron International. Prior to Heron, Jonathan worked at Olswang LLP, an award-winning international law firm. He became a partner at age 28 and one of the youngest ever chief executive of a city law firm at age 32. Under his stewardship, the firm’s turnover grew significantly and it was awarded ‘Law Firm of the Year’ on multiple occasions. Jonathan is the immediate past chairman of the Jewish Leadership Council (JLC), the umbrella organisation of the UK Jewish community. He held this role from 2017-2022. He is also the Chair of the Trust of the Chief Rabbi of the United Hebrew Congregations of the Commonwealth, a trustee of The Gerald & Gail Ronson Family Foundation and an Honorary President of Camp Simcha. He previously served as the Chair of Partnerships for Jewish Schools (PaJeS), the Vice-Chair of Jewish Care and Chair of Governors of Kerem School in Hampstead Garden Suburb. Jonathan holds a law degree from the University of Manchester and qualified as a solicitor in 1988.