In big oil, most execs have a degree in engineering but they go up the ranks after they got their MBA's, look at Rex's replacement --> https://en.wikipedia.org/

In big oil, most execs have a degree in engineering but they go up the ranks after they got their MBA's, look at Rex's replacement --> https://en.wikipedia.org/wiki/Darren_Woods https://en.wikipedia.org/wiki/Darren_Woods