Gary Heminger and Kathy Warden Net Worth Compared

One spent 45 years climbing a single company before activists pushed him toward the exit. The other arrived from outside, took over a defense giant, and is still in the chair in 2026. Put Gary Heminger and Kathy Warden side by side and you get two very different versions of the modern American CEO story — one written in oil, the other in stealth bombers and space telescopes.

Neither of them founded the company they led. Neither became a billionaire. And that is exactly what makes this pairing interesting: Heminger and Warden show what the top of the hired-executive ladder actually pays when you run a hard, physical, heavily scrutinised business — and how much of that pay survives the headlines about it.

Below, we compare their backgrounds, their routes to the corner office, the deals that defined them, and — using reported compensation and the best sourced estimates available — what each of them is actually worth. Where a figure cannot be verified, we say so plainly rather than repeat the guesses that fill most net-worth pages. For more business-leader profiles like this one, visit Flasher Magazine.

Quick Facts

Who Is Gary Heminger?

Gary Heminger is the ultimate company man. He joined Marathon in 1975, fresh out of Tiffin University in Ohio, where he had earned a bachelor’s degree in accounting in 1976 — and he never worked anywhere else. An MBA from the University of Dayton followed in 1982, completed while the day job continued.

His apprenticeship was long and unglamorous in the best way. He spent three years in London as audit supervisor on the Brae project, then eight years with Emro Marketing in a run of marketing and commercial roles. In 1991 he became vice president of Emro’s Western Division, and from 1995 to 1996 he served as president of Marathon Pipe Line Company. Pipelines, marketing, audits: Heminger learned the downstream oil business from the inside out.

When Marathon Petroleum was spun off as a standalone company on 30 June 2011, Heminger became its first chief executive. He added the chairman title in 2016. By the time he retired, he had spent roughly 45 years with the wider Marathon group — a tenure almost unheard of among Fortune 500 chiefs.

Who Is Kathy Warden?

Kathy Warden grew up in Smithsburg, a small town in Maryland, and graduated from Smithsburg High School before earning a bachelor’s degree at James Madison University in 1992. She added an MBA from George Washington University in 1999, studying while building her career.

Where Heminger’s path was a straight line, Warden’s was a tour of the defense and technology world. She spent nearly a decade at the General Electric Company, was a principal in a venture internet firm, and held leadership roles at the Veridian Corporation and General Dynamics. That breadth made her a cybersecurity and information-systems specialist long before she ran anything.

Warden joined Northrop Grumman in 2008 as vice president and general manager of its cybersecurity business. She went on to lead the Information Systems sector, then became president of the merged Mission Systems sector in January 2016. As president and chief operating officer from January 2018, she led the integration of the Orbital ATK acquisition — the deal-making rehearsal for the top job. She became CEO and president on 1 January 2019 and chair later that year, one of the very few women ever to run a major US defense contractor.

How Gary Heminger Built His Fortune

Heminger’s wealth was built the slow way: salary, bonuses and, above all, equity accumulated over nine years running one of America’s largest refiners. Equilar calculated that from 2011 to 2019 he realised $102,582,379 in total compensation — more than $102 million — before counting his earlier decades of executive pay at Marathon Oil.

His defining move was the roughly $23 billion acquisition of rival refiner Andeavor in 2018, which made Marathon Petroleum the largest refiner in the United States. It was a legacy deal, and Heminger knew it: scale, he argued, was the only durable advantage in a commodity business.

The pay story had a sharper edge, though. In March 2018, Time reported that Heminger earned 935 times more than Marathon Petroleum’s median employee. That ratio became a symbol in the wider debate about CEO pay — and a reminder that a hired chief’s fortune is always partly a public-relations problem.

So what is Gary Heminger’s net worth, exactly? Honestly, it has not been made public. No Forbes profile tracks him, and the precise figure has never been disclosed. The verified floor is the $102 million-plus he realised as CEO, on top of a 45-year career’s earnings and investments — but any website quoting you an exact number for Heminger is estimating, and should say so.

How Kathy Warden Built Her Fortune

Warden’s fortune is smaller, younger, and still compounding. Her compensation as Northrop Grumman chief was reported at $22.5 million for 2023, and a Virginia Business survey of CEO pay put her more recent package at about $24.1 million — among the highest in the state, and close to the top of the defense sector.

Estimates of her net worth generally land in the $45 million to $60 million range; the most commonly cited figure puts it at around $60 million as of December 2024. Like Heminger’s, the bulk of it is not cash in a vault — it is Northrop Grumman stock and long-term incentive awards that rise and fall with the share price and vest over years.

The business she runs gives those awards unusual visibility. Northrop Grumman reported $42 billion in revenue for 2025 and has raised its 2026 forecast to as much as $44.25 billion. Her tenure has included the first flight of the B-21 Raider stealth bomber in November 2023, the James Webb Space Telescope — led by Northrop as prime contractor — and the Sentinel missile programme, which has faced significant cost growth and forced hard conversations with the Pentagon about fixed-price risk.

The Comparison: Insider Versus Import

The contrast starts with how they got the job. Heminger was the insider’s insider: 36 years inside Marathon before he ran its spun-off downstream arm. Warden was an import who had worked for at least four other organisations before joining Northrop, and who reached the top eleven years after arriving.

Their customers could not be more different. Heminger answered to fuel buyers, commodity markets and — most uncomfortably — shareholders. Warden answers, ultimately, to one customer: the United States government. That changes the meaning of risk. A refiner’s bad quarter is a margin problem; a defense chief’s bad programme, like Sentinel’s cost overruns, is a national-security headline.

The endings differ, too — so far. Under pressure from activist investor Elliott Management, which pushed for Marathon Petroleum to break itself apart, Heminger announced his retirement in October 2019 alongside a plan to separate the Speedway retail chain; he stepped down in March 2020, and Speedway was later sold to 7-Eleven. Warden, by contrast, remains in post in 2026, chairs the Greater Washington Partnership and Catalyst, sits on Merck’s board, and accepted the 2022 Deming Cup for Operational Excellence along the way. She was even sanctioned by Russia in 2022 and by China in 2024 — an odd badge of how central her company is to US defense.

Where They Are Now

Heminger’s retirement has been quiet but not idle. He was appointed to the Ohio State University board of trustees by Governor John Kasich, and his term was extended through to May 2027 — a fitting coda for an Ohio lifer whose company is headquartered in Findlay.

Warden’s story is still being written. With a record order backlog, B-21 production ramping up and a raised 2026 outlook, she is arguably at the peak of her influence — ranked on both the Forbes and Fortune most-powerful-women lists. Her net worth, unlike Heminger’s, will keep moving with every Northrop earnings report.

Bottom Line

Gary Heminger and Kathy Warden never founded anything, never owned the building, and never became billionaires — and between them they still ran two of the most demanding companies in America. Heminger’s career is the case for depth: nobody alive knew Marathon better, and it still was not armour against activist pressure when results and strategy were questioned. Warden’s is the case for range: GE, startups, General Dynamics and Northrop gave her a wider lens, and she is using it to run a $42 billion defense business in a tense decade. On the only scoreboard this comparison can honestly use, Warden’s roughly $60 million estimated fortune is the smaller but still-growing number, while Heminger’s lifetime earnings — $102 million realised as CEO alone — mark the higher, finished total.

Frequently Asked Questions

What is Kathy Warden’s net worth?

Estimates put Kathy Warden’s net worth at around $60 million as of December 2024, built mainly from Northrop Grumman salary, bonuses and stock awards. Her annual compensation was reported at $22.5 million for 2023 and about $24.1 million in a more recent Virginia CEO pay survey.

What is Gary Heminger’s net worth?

His exact net worth has not been made public, and Forbes does not publish a figure for him. What is verified is the pay: Equilar calculated that Heminger realised $102,582,379 in total compensation between 2011 and 2019 as Marathon Petroleum’s CEO, on top of earnings from a career that began in 1975.

When did Gary Heminger retire from Marathon Petroleum?

Heminger announced his retirement in October 2019, as activist investor Elliott Management pressed for sweeping changes, and stepped down in March 2020. He was succeeded by Michael J. Hennigan. Speedway, the retail chain whose separation was announced alongside his retirement, was later sold to 7-Eleven.

What did Kathy Warden do before Northrop Grumman?

Before joining Northrop Grumman in 2008, Warden spent nearly a decade at General Electric, was a principal in a venture internet firm, and held leadership roles at Veridian Corporation and General Dynamics — a background that made her a specialist in cybersecurity and information systems.

Is Kathy Warden still CEO of Northrop Grumman in 2026?

Yes. Warden has been chair, president and CEO since 2019. Northrop Grumman reported $42 billion in 2025 revenue under her leadership and has guided toward as much as $44.25 billion in sales for 2026, with the B-21 Raider programme at the centre of the growth story.

Who is richer, Gary Heminger or Kathy Warden?

On verified lifetime earnings, Heminger is ahead: over $102 million realised as CEO alone, plus 35 earlier years of executive pay. Warden’s estimated net worth of around $60 million is the smaller figure today — but she is still in the job, still earning over $20 million a year, and her total is still rising.