Jack trained with a leading independent London practice where he qualified in 1971 and was subsequently made a partner. On moving from London to Leeds, Jack established Leon & Company Chartered Accountants in 1976. In 2004, because of his ties with London, Jack established a presence in the area and now services a significant number of clients in the London area. Having been qualified since 1971, Jack has gained a vast amount of experience dealing with small to medium enterprises and prides himself on delivering a personal service.
In his spare time, Jack enjoys playing tennis, spending time with his family and eating out.