BP's Birrell facing his biggest challenge in 30 years

Gordon Birrell’s 30-year-plus career has taken in three continents and a range of roles on and offshore, in the field and in corporate offices.

Now, two years into a stint as BP’s chief operating officer for production, transformation and carbon, Birrell may be facing his biggest challenge yet, as the oil and gas industry adapts within a fast-evolving energy business.