A Supreme Court clerk came home to help start Devon Energy. His temporary detour became three decades as CEO, a turn into shale and a lasting stake in Oklahoma City.

He left energy investing to build a company around the people doing the work. A decade, two name changes, and a return to oil and gas later, Xuan Yong is still adjusting the distance between an idea and a useful business.
He hitchhiked west to study geology, then built a career beneath the surface. Decades later, Paul Rady helped bring an engineering school to the Colorado campus where he started.
Coal still pays the bills. A $206.2 million royalty deal, a mining technology business, and one troubled mine show how Alliance is trying to make those bills less dependent on coal.

He returned to Kansas to help sell his father’s propane business. Six decades, an employee ownership plan and another comeback later, James Ferrell is still part of its story.
Before he led California Resources Corporation, Francisco Leon crossed from Tijuana to San Diego for school. Today, he is asking how much of California’s energy future can be built from the assets it already has.

He built a coal business in Tulsa. His name keeps turning up on Kentucky practice courts, classrooms and a school for teenagers with college coursework on the timetable.
Energen sold its gas utility, concentrated on the Permian Basin, and improved its wells. Then came a harder question: who should own them?

He joined Noble as a management trainee, left for a rival, and returned to lead it. After three fleet-changing deals, Robert Eifler faces the less glamorous test of making the combined company work.
He joined ICF in 1987 and kept finding reasons to stay. Nearly four decades later, John Wasson’s interests run from government technology to coffee science and California art.
From moving a headquarters closer to the mines to steering Peabody through debt repayment and a difficult Australian ramp-up, James Grech has made a career of working on the clock. Now the coal executive has a succession date of his own.
The familiar gas-station sign conceals a sprawling business in pipes, processing and access. Its next chapter turns on where energy goes - and what it costs to get there.
A $179 million renewable diesel conversion seemed to offer a new use for an old refinery. CVR’s more revealing decision was keeping the option to reverse it.
From a seven-barrel well to a multibillion-dollar offshore project, Apache’s history turns on a stubborn question: when does a discovery deserve another dollar?
Before a city can grow or an AI factory can think, somebody has to solve the water, power and engineering. Jacobs has built a business around those inconvenient details.
Before he became Fluor’s CEO, Jim Breuer spent half his career on assignments outside the United States. His next assignment is to turn that accumulated experience into growth that survives contact with a construction site.

A chemistry discovery gave Mark Lashier an early lesson in making things work. Decades later, the Phillips 66 chairman and CEO is applying that habit to a company whose future is being argued over in public.
He arrived in America to buy convenience stores. A quarter-century later, Uzi Yemin’s career runs from the refinery gate to the fusion lab - with a useful habit of looking where other buyers have stopped.
An accounting graduate spent decades learning the machinery behind the balance sheet. Now Maryann Mannen leads Marathon Petroleum, where a good number still has to work in the real world.
After two decades inside Prologis, Dan Letter inherited the CEO job through a five-year handover. Now the civil engineer is putting a warehouse company’s land, roofs and power connections to a broader test.

An All-American baseball player became an outsourcing executive, then helped build AEGIS Hedging. From the field to the office, Bryan Sansbury’s story turns on a practical question: what gives the team a better chance?

He started writing software for a London bank while still in school. Decades later, MARA’s chairman and CEO is betting that the next chapter of computing belongs to the people who can supply its power.
HAL, Inc. makes software for the moment a shipment becomes somebody else’s problem. Its big idea: keep the identity of every little thing intact.
An oilfield marketplace became a $2.9 billion bet on skilled work. Now called RigUp again, Workrise is betting on the unglamorous business of getting energy projects staffed, supplied, and paid.
Before an AI can help run a plant, it needs to know which pump is which. Cognite built a business around that deceptively difficult task.
Industrial AI has a homework problem: it needs to understand the machinery. Hitachi Digital brings the factory knowledge, the software teams, and a very large testing ground.
A wall-climbing robot makes a good entrance. Gecko Robotics’ bigger bet is that measuring the physical world can change how we repair it, finance it, and build it again.

Before advising chief executives at Consello, Brandon Elliott spent years evaluating companies, explaining them to investors, and running one himself. His career turns on a practical question: what happens when the person asking about the numbers becomes responsible for them?

From Reno’s startup community to nuclear power, remote computing and electric racing, Kerem Ozmen has built an investing career around a stubborn question: what does it take to get an ambitious machine into the world?

Before Tallvine Partners, Thomas Lefebvre ran a software company and served in the French Navy Commandos. His next chapter runs through airport ramps, working harbors, and the companies that keep commerce moving.