Grabiner was non-executive chairman of Taveta Investments Ltd, the holding company of Sir Philip Green behind Arcadia Group from 2002 to December 2015.

[5] In 1999, he was made a life peer as Baron Grabiner, and sat in the House of Lords on the Labour Party benches.

In October 2010, Grabiner represented Liverpool Football Club in the London High Court and won two cases against its then current owners.

[14][15] It was subsequently reported in The Lawyer magazine that Grabiner would be receiving a fee of £3,000 an hour for his advice to News Corporation.

[18] In December 2013, it was announced that he had been elected Master of Clare College, Cambridge University, to succeed Professor Tony Badger in October 2014.

[18][22] Grabiner was non-executive chairman of Taveta Investments Ltd, the holding company of Sir Philip Green behind Arcadia Group from 2002 to December 2015.

[25] In July 2016, Grabiner was denounced in an official report by Members of Parliament in relationship to his chairmanship of Taveta, for having a "remarkably docile attitude" and representing the "apogee of weak corporate governance".

[26] Furthermore, MPs stated that "He was content to provide a veneer of establishment credibility to the group while happily disengaging from the key decisions he had a responsibility to scrutinise.