Bayer vs Walmart: Founders, CEOs and History
Bayer was founded in 1863 by Friedrich Bayer, Johann Friedrich Weskott and is led by Bill Anderson. Walmart was founded in 1962 by Sam Walton and is led by John Furner.
Company facts
Founders
Bayer
Friedrich Bayer
Bayer was founded in 1863 in Barmen, now part of Wuppertal, Germany, by two men with complementary skills: Friedrich Bayer, a dye merchant, and Johann Friedrich Weskott, a master dyer.
Johann Friedrich Weskott
Johann Friedrich Weskott was a German master dyer who co-founded what became Bayer. In 1863 he and his friend Friedrich Bayer, a dye salesman, formed Friedr. Bayer et comp. in Barmen, now part of Wuppertal, Germany.
Walmart
Sam Walton
Sam Walton opened the first Walmart Discount City in Rogers, Arkansas in 1962 and built the company around low prices, low costs, and its own distribution network. He served as CEO until 1988 and remained chairman until his death in 1992.
CEOs and their tenures
Bayer
- Werner Wenning2002–2010
Chief Executive Officer and Chairman of the Board of Management
Wenning led Bayer from April 2002 to September 30, 2010. He took over months after the worldwide withdrawal of the cholesterol drug Baycol and spent his early years settling the claims that followed.
Source - Marijn Dekkers2010–2016
Chief Executive Officer and Chairman of the Board of Management
Dekkers was CEO from October 1, 2010 to April 30, 2016 and the first Bayer chief executive hired from outside the company. He narrowed Bayer to life sciences: in 2014 Bayer bought the consumer care business of Merck and Co.
Source - Werner Baumann2016–2023
Chief Executive Officer and Chairman of the Board of Management
Baumann became CEO in May 2016 and retired at the end of May 2023 after 35 years at Bayer. His defining decision was the acquisition of Monsanto, completed on June 7, 2018 at USD 128 per share, about USD 63 billion in total.
Source - Bill Anderson2023–present
Chief Executive Officer and Chairman of the Board of Management
Anderson, a chemical engineer who previously ran Roche's pharmaceuticals division and Genentech, joined Bayer's Board of Management on April 1, 2023 and became CEO on June 1, 2023.
Source
Walmart
- Sam Walton1962–1988
Founder and CEO
Founded Walmart and set its low-price, low-cost operating approach.
Source - Doug McMillon2014–2026
Former President and CEO
Led Walmart's push into ecommerce, marketplace, advertising, and store-fulfilled delivery, and oversaw the Jet.com, Flipkart, and VIZIO deals.
Source - Greg Penner2015–present
Chairman of the Board
He successfully managed the transition of corporate leadership to Doug McMillon and actively oversees the Walton family's controlling stake in the retail giant.
Source - John David Rainey2022–present
Executive Vice President and CFO
As CFO, he aggressively executed multi-billion-dollar share repurchases while funding massive capital expenditures for store remodels and automation.
Source - John Furner2026–present
President and CEO
Became President and CEO on February 1, 2026, succeeding Doug McMillon. He reshaped the executive team with internal promotions in January 2026.
Source - David Guggina2026–present
President and CEO, Walmart U.S.
As head of supply chain operations, he modernized the underlying logistics network that allowed Walmart to successfully compete with Amazon's two-day delivery speeds.
Source
Timeline: Bayer and Walmart side by side
1863Bayer
Bayer Founded in Barmen, Germany
Friedrich Bayer and Johann Friedrich Weskott entered Friedrich Bayer et. Compagnie into the commercial register in Barmen, Germany, on August 1, 1863, to make synthetic fuchsine and aniline dyes for the textile industry using the new coal-tar chemistry.
1898Bayer
Heroin Marketed as a Cough Suppressant
Bayer began selling diacetylmorphine under the trademark Heroin as a cough suppressant and a supposedly non-addictive substitute for morphine. It stayed in Bayer's range until after World War I, long after its addictiveness was understood.
1899Bayer
Aspirin Registered as a Trademark
The Bayer chemist Felix Hoffmann had synthesized acetylsalicylic acid in a stable, pure form in 1897, and Bayer registered the trademark Aspirin on March 6, 1899. It became the first mass-market synthetic medicine and is still one of the most widely used.
1903Bayer
Veronal Barbiturate Sleep Aid Launched
Bayer licensed diethylbarbituric acid from Emil Fischer and Joseph von Mering and sold it as Veronal, the first barbiturate sleep aid.
1912Bayer
Headquarters Moved to Leverkusen
Under Carl Duisberg, Bayer moved its main chemical plant and head office to Leverkusen on the Rhine, building one of the largest industrial chemical sites in Europe. Leverkusen is still the group headquarters.
1918Bayer
US Assets Confiscated During World War I
Bayer's US assets and trademarks, including the Aspirin trademark, were confiscated by the Alien Property Custodian and sold to Sterling Products. Bayer lost its largest export market and the right to its own name in North America for decades.
1925Bayer
Merger into IG Farben
Bayer merged with BASF, Hoechst, Agfa and other German chemical companies to form IG Farbenindustrie AG, then the largest chemical and pharmaceutical group in the world. IG Farben's role in the Nazi war effort led the Allies to dissolve it after World War II.
1932Bayer
Prontosil Discovered by Gerhard Domagk
Gerhard Domagk, leading a research team in the Bayer laboratories, developed Prontosil, the first sulfonamide antibacterial and the forerunner of modern antibiotics. He was awarded the Nobel Prize in Physiology or Medicine in 1939 for the work.
1951Bayer
Re-established After the IG Farben Dissolution
Bayer was reincorporated as Farbenfabriken Bayer AG in 1951 after the Allied dissolution of IG Farben and rebuilt as an independent chemical and pharmaceutical company during West Germany's post-war recovery.
1962Walmart
First Walmart Opens
Sam Walton opens the first Walmart Discount City in Rogers, Arkansas.
1970Walmart
Walmart Goes Public
Walmart sells shares to the public to fund expansion.
1983Walmart
Sam's Club Launches
The first Sam's Club warehouse club opens in Midwest City, Oklahoma.
1988Walmart
First Supercenter and New CEO
Walmart opens its first supercenter, and David Glass succeeds Sam Walton as CEO.
1994Bayer
US Bayer Trademark Rights Reclaimed
Bayer bought Sterling Winthrop's over-the-counter drug business from SmithKline Beecham for about USD 1 billion, recovering the US and Canadian rights to the Bayer name and the Bayer Cross confiscated in 1918, plus the Aspirin trademark in Canada.
2000Walmart
Lee Scott Becomes CEO
Lee Scott succeeds David Glass as CEO.
2001Bayer
Baycol Withdrawn Worldwide
Bayer voluntarily withdrew its cholesterol drug Baycol, sold as Lipobay outside the United States, in August 2001 after cases of fatal rhabdomyolysis, particularly at higher doses and in combination with gemfibrozil.
2006Bayer
Schering AG Acquired for About EUR 17 Billion
Bayer acquired Schering AG of Berlin for about $19.2 billion (EUR 17 billion) after counter-bidding against a hostile approach from Merck KGaA, adding the Mirena contraceptive franchise, oncology assets and a European pharmaceutical sales force.
2014Bayer
Merck Consumer Care Acquired for USD 14.2 Billion
Bayer closed the purchase of the consumer care business of Merck and Co. on October 1, 2014 for USD 14.2 billion in cash, adding Claritin, Coppertone and Dr. Scholl's and making Bayer one of the largest non-prescription medicine companies in the world.
2014Walmart
Doug McMillon Becomes CEO
Doug McMillon, who started as an hourly associate in 1984, becomes CEO.
2015Bayer
Covestro Spin-off
Bayer listed its materials science division as Covestro through an IPO on the Frankfurt Stock Exchange, ending its presence in plastics and polymers and leaving a group focused on pharmaceuticals, consumer health and crop science.
2016Walmart
Jet.com Acquisition
Walmart buys Jet.com for about $3.3 billion to strengthen its U.S. ecommerce team.
2018Bayer
Monsanto Acquisition Completed for About USD 63 Billion
Bayer completed the acquisition of Monsanto on June 7, 2018, paying USD 128 per share, about USD 63 billion in total, the largest foreign acquisition by a German company.
2018Walmart
Flipkart Investment
Walmart acquires a majority stake in Flipkart for about $16 billion.
2020Bayer
USD 10.9 Billion Roundup Settlement
Bayer agreed to pay about USD 10.9 billion to settle roughly 113,000 Roundup claims while continuing to maintain that glyphosate does not cause cancer. The programme did not end the litigation and new claims kept arriving.
2023Bayer
Bill Anderson Becomes CEO
Werner Baumann retired at the end of May 2023 after 35 years at Bayer. Bill Anderson, previously head of Roche's pharmaceuticals division and of Genentech, joined the Board of Management in April and became CEO on June 1, 2023.
2024Bayer
Dynamic Shared Ownership Rolled Out
Bayer began introducing the Dynamic Shared Ownership operating model, replacing layers of middle management with self-directed teams.
2024Walmart
VIZIO Acquisition
Walmart completes its $2.3 billion purchase of smart-TV maker VIZIO to expand its advertising business.
2025Bayer
Nubeqa Approved in the US for Metastatic Castration-Sensitive Prostate Cancer
The FDA approved Nubeqa (darolutamide) in June 2025 for metastatic castration-sensitive prostate cancer, a third indication, followed by EU authorization in July 2025.
2026Bayer
Supreme Court Preemption Ruling and Proposed USD 7.25 Billion Roundup Class Settlement
In February 2026 Monsanto proposed a US nationwide class settlement funded by declining annual payments of up to USD 7.25 billion over as long as 21 years, which received preliminary approval in March 2026.
2026Walmart
John Furner Becomes CEO
John Furner succeeds Doug McMillon as President and CEO effective February 1, 2026; David Guggina takes over Walmart U.S.
2026Walmart
Q2 FY27 Results
Walmart reports Q2 FY27 revenue of $187.9 billion, up 5.9%, and raises full-year sales and operating income guidance.
Acquisitions
Bayer
- Monsanto Company2018$63B
- Merck Consumer Care2014$14.2B
- Schering AG2006$21.2B
- Sterling Winthrop OTC Business1994$1B
Questions about Bayer vs Walmart
Who is the CEO of Bayer AG and Walmart Inc.?
Bayer AG is led by Bill Anderson and Walmart Inc. is led by John Furner. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Bayer AG founded vs Walmart Inc.?
Bayer AG was founded in 1863 — 99 years before Walmart Inc., which was founded in 1962. Bayer AG's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Walmart Inc..
How many employees does Bayer AG have compared to Walmart Inc.?
Bayer AG employs approximately 88,078 people, while Walmart Inc. employs approximately 2,100,000. Walmart Inc. has the larger workforce at 2,100,000 employees, compared to Bayer AG's 88,078. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Bayer AG and Walmart Inc. headquartered?
Bayer AG is headquartered in Germany and Walmart Inc. is headquartered in United States. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.
Who founded Bayer AG and Walmart Inc.?
Bayer AG was founded by Friedrich Bayer, Johann Friedrich Weskott. Walmart Inc. was founded by Sam Walton.
Which company has a longer operating history — Bayer AG or Walmart Inc.?
Bayer AG has been operating for approximately 163 years, making it the more established of the two companies. Walmart Inc. has been in operation for around 64 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Bayer vs Walmart overview