

A geologist turned corporate leader, he steered the world's biggest mining company through a volatile era by championing sustainability and operational discipline.
Andrew Mackenzie, born in Scotland in 1956, carved a path that wove deep scientific expertise into the highest echelons of global industry. With a PhD in organic chemistry, he began his career not in a boardroom but in the field and the lab, working for the oil giant BP. This grounding in earth sciences shaped his pragmatic, evidence-based approach to leadership. His defining chapter came at BHP, where as CEO from 2013 to 2020, he took the helm of a sprawling industrial titan at a time of falling commodity prices and rising environmental scrutiny. Mackenzie responded by imposing a relentless focus on capital efficiency and safety, while also pushing the company to publicly acknowledge climate risks and set emissions targets—a significant shift for a mining behemoth. After BHP, he brought his steady hand to the chairmanship of Shell, guiding its energy transition strategy, and to overseeing UK public research funding. His career represents a modern archetype: the scientist-executive who applies empirical rigor to corporate stewardship.
1946–1964
The largest generation in history at the time. Shaped by postwar prosperity, the Vietnam War, the sexual revolution, and Watergate. They questioned every institution their parents built — then ran them.
Andrew was born in 1956, placing them squarely in the Baby Boomers. The events that shaped this generation — postwar prosperity, civil rights, Vietnam, and the counterculture — shaped the world they entered and the choices available to them.
The biggest hits of 1956
#1 Movie
The Ten Commandments
Best Picture
Around the World in 80 Days
#1 TV Show
I Love Lucy
The world at every milestone
Elvis Presley appears on The Ed Sullivan Show
Yuri Gagarin becomes the first human in space
Apollo 11: humans walk on the Moon; Woodstock festival
Watergate break-in; last Apollo Moon mission
Nixon resigns the presidency
Star Wars premieres; Elvis dies
Challenger disaster; Chernobyl nuclear meltdown
Dolly the sheep cloned
Twitter launches; Pluto reclassified as dwarf planet
Donald Trump elected president; Brexit vote
He holds a PhD in organic chemistry from the University of Bristol.
Before joining BHP, he worked for 22 years at BP, eventually serving as its head of technology.
He is a Fellow of the Royal Society of Edinburgh.
Mackenzie is a passionate advocate for diversity in STEM fields.
“Geology is the foundation; everything else is built on understanding the rock.”