In his youth he was an accomplished sprinter, representing Scotland and Great Britain from 1973 to 1978 and competed at the European Championships in 1974, the Commonwealth Games in 1978, and numerous internationals.
Both Roger and his brother David feature prominently in the book A Life In A Day In A Year[4] by Peter Hoffmann which describes their athletics training at Meadowbank Sports Centre, Edinburgh, and their racing careers between 1973 and 1978.
A 2006 investigation by The Wall Street Journal, alleged that in 2003, Jenkins and his team had set up a company co-owned by Barclays and the US bank Wachovia, Augustus Funding LLC, which was incorporated in Delaware but also had a London address and British directors.
According to The Wall Street Journal, thanks to "elaborate structure and cash flows", both Barclays and Wachovia were able to take credit for a full payment of the tax, meaning the $94 million could be claimed twice (a so-called "double dip").
Barclays called the account of the transactions "materially inaccurate", while a statement from Wachovia said that they had "complied with all applicable laws and regulations".
[10] He retained a consultancy role with the bank while establishing his own advisory business, Elkstone, based on his contacts in the Middle East.
[7][11][12][13][14] In February 2010, Jenkins launched an advisory firm in Dublin, Elkstone Capital, looking at opportunities created by the Irish financial crisis.
[18] In 1999 he married Sanela Dijana Ćatić, whom he had met in the gym at the Barbican, where Roger Jenkins was living after the end of his first marriage.
[22] In February 2018, Jenkins announced his engagement to Larissa Andrade, a Brazilian model and actress 29 years his junior living in Los Angeles and on 11 August 2018 they were married in Txai, Bahia, Brazil and subsequently divorced in December 2021.