Pfizer vs Walmart: Founders, CEOs and History
Pfizer was founded in 1849 by Charles Pfizer, Charles Erhart and is led by Albert Bourla. Walmart was founded in 1962 by Sam Walton and is led by John Furner.
Company facts
Founders
Pfizer
Charles Pfizer
Pfizer possesses a historic, immigrant founding story, rooted entirely in the rapid industrial expansion of 19th-century Brooklyn and defined by an effective, intensely meticulous German chemist and his ambitious confectioner cousin.
Charles Erhart
Charles Erhart's role in Pfizer's founding is less celebrated than his cousin's, partly because the company carries Charles Pfizer's name and partly because his commercial contributions were less visible than the scientific achievements that drove the company'…
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
Pfizer
- Ian Read2010–2018
Chief Executive Officer
He ruthlessly cut R&D spending and eliminated tens of thousands of jobs, significantly boosting short-term earnings per share despite massive patent cliffs for blockbuster drugs like Lipitor.
Source - Albert Bourla2019–present
Chairman and Chief Executive Officer
A veterinarian by training who joined Pfizer Animal Health in 1993, Bourla became CEO on January 1, 2019 and Chairman in 2020.
Source - Dave Denton2022–2026
Chief Financial Officer
As CFO, he aggressively restructured the balance sheet following the Seagen acquisition, prioritizing debt reduction while defending the dividend.
Source - Chris Boshoff2025–present
Chief Scientific Officer and President, Research & Development
He completely restructured the research and development organization to focus on antibody-drug conjugates (ADCs), aggressively expanding Pfizer's pipeline of cancer therapeutics.
Source - Cecile Guegan2026–present
Interim Chief Financial Officer
She modernized the company's internal auditing and compliance structures, ensuring rapid but safe clinical execution for high-priority vaccine programs.
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: Pfizer and Walmart side by side
1849Pfizer
Pfizer Founded
Charles Pfizer and Charles Erhart founded the company in Brooklyn.
1944Pfizer
Penicillin Scale-Up
Pfizer helped industrialize penicillin production during World War II.
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.
1998Pfizer
Viagra Approved
The FDA approved Viagra in 1998.
2000Pfizer
Warner-Lambert Deal
Pfizer acquired Warner-Lambert, adding Lipitor.
2000Walmart
Lee Scott Becomes CEO
Lee Scott succeeds David Glass as CEO.
2014Walmart
Doug McMillon Becomes CEO
Doug McMillon, who started as an hourly associate in 1984, becomes CEO.
2016Walmart
Jet.com Acquisition
Walmart buys Jet.com for about $3.3 billion to strengthen its U.S. ecommerce team.
2018Walmart
Flipkart Investment
Walmart acquires a majority stake in Flipkart for about $16 billion.
2019Pfizer
Albert Bourla becomes CEO
Albert Bourla became CEO of Pfizer in 2019. A veterinarian by training who joined Pfizer Animal Health in 1993, Bourla became CEO on January 1, 2019 and Chairman in 2020.
2020Pfizer
BioNTech COVID Vaccine Partnership
Pfizer and BioNTech brought Comirnaty through emergency authorization.
2023Pfizer
Seagen Acquisition
Pfizer completed the $43 billion Seagen acquisition.
2024Walmart
VIZIO Acquisition
Walmart completes its $2.3 billion purchase of smart-TV maker VIZIO to expand its advertising business.
2025Pfizer
Chris Boshoff Becomes CSO
Chris Boshoff became Chief Scientific Officer and President, Research & Development effective January 1, 2025.
2025Pfizer
Metsera Acquisition
Pfizer completed its acquisition of obesity drug developer Metsera in November 2025 for up to about $10 billion including CVRs.
2025Pfizer
FY2025 Revenue Base
Pfizer reported $62.579 billion of FY2025 revenue.
2026Pfizer
Innovent Oncology Collaboration
Pfizer signed a 12-program cancer collaboration with Innovent Biologics: $650 million upfront and up to $9.85 billion in milestones.
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
Pfizer
- Metsera, Inc.2025$7B
- Seagen Inc.2023$43B
- Medivation Inc.2016$14B
- Wyeth2009$68B
- Pharmacia Corporation2003$60B
- Warner-Lambert Company2000$111B
Questions about Pfizer vs Walmart
Who is the CEO of Pfizer Inc. and Walmart Inc.?
Pfizer Inc. is led by Albert Bourla 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 Pfizer Inc. founded vs Walmart Inc.?
Pfizer Inc. was founded in 1849 — 113 years before Walmart Inc., which was founded in 1962. Pfizer Inc.'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 Pfizer Inc. have compared to Walmart Inc.?
Pfizer Inc. employs approximately 75,000 people, while Walmart Inc. employs approximately 2,100,000. Walmart Inc. has the larger workforce at 2,100,000 employees, compared to Pfizer Inc.'s 75,000. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Pfizer Inc. and Walmart Inc. headquartered?
Both Pfizer Inc. and Walmart Inc. are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded Pfizer Inc. and Walmart Inc.?
Pfizer Inc. was founded by Charles Pfizer, Charles Erhart. Walmart Inc. was founded by Sam Walton.
Which company has a longer operating history — Pfizer Inc. or Walmart Inc.?
Pfizer Inc. has been operating for approximately 177 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 Pfizer vs Walmart overview