He founded the Oxford Institute for Energy Studies, and in the late 1990s brokered a historic production cut between OPEC and its rivals in the wake of a slump in the price of oil.
Mabro was born in Alexandria, Egypt, in December 1934, the son of Greek Orthodox parents who had migrated from Tripoli, Lebanon in the 1860s.
[5] Throughout the 1970s, Mabro's interest in oil- and energy-related matters grew, and he wrote his first monograph on the subject - "Oil Producers and Consumers: Conflict or Cooperation" - in 1974.
However, a history of distrust and a desire to protect their own market share was preventing any cooperation to counter the price fall amongst the nations affected.
[3][8] This initiative led to joint production cuts in late 1998 and early 1999, the effect of which was that by mid-2000 the price of crude oil had recovered to more than $30 a barrel.