Amgen vs United Airlines: Founders, CEOs and History
Amgen was founded in 1980 by George B. Rathmann, William K. Bowes Jr. and is led by Robert A. Bradway. United Airlines was founded in 1926 by Walter T. Varney, William Boeing and is led by Scott Kirby.
Company facts
Amgen
- Founded
- 1980
- Headquarters
- Thousand Oaks, California
- Current CEO
- Robert A. Bradway
- Employees
- 31,500
United Airlines
- Founded
- 1926
- Headquarters
- Chicago, Illinois
- Current CEO
- Scott Kirby
- Employees
- 113,200
Founders
Amgen
George B. Rathmann
Amgen, originally incorporated as Applied Molecular Genetics, was founded in 1980 not by a single scientist, but by a calculated syndicate of venture capitalists and academics trying to commercialize the brand-new science of recombinant DNA.
William K. Bowes Jr.
William K. Bowes Jr. Was the venture capital strategist whose vision catalyzed Amgen's formation.
United Airlines
Walter T. Varney
Walter T. Varney founded Varney Air Lines, which won Contract Air Mail Route 5 and flew its first route between Pasco, Washington, and Elko, Nevada, via Boise, on April 6, 1926.
William Boeing
William Boeing formed Boeing Air Transport in 1927 to fly the Chicago-San Francisco air mail route and then, with Frederick Rentschler, created United Aircraft and Transport Corporation in 1929.
CEOs and their tenures
Amgen
- George B. Rathmann1980–1988
Chief Executive Officer
George Rathmann, a physical chemist who had run research and development at Abbott Laboratories, was named Amgen's first chief executive in 1980 and worked from a small trailer so that laboratory space could go to scientists.
Source - Gordon M. Binder1988–2000
Chief Executive Officer
Gordon Binder joined Amgen as chief financial officer in 1982 and led its June 1983 initial public offering.
Source - Kevin W. Sharer2000–2012
Chief Executive Officer
Kevin Sharer joined Amgen in 1992 as president and chief operating officer and became chairman and chief executive in 2000.
Source - Robert A. Bradway2012–present
Chairman and Chief Executive Officer
Robert Bradway became chief executive on May 23, 2012, succeeding Kevin Sharer as the fourth CEO in Amgen's history, and added the chairmanship at the start of 2013.
Source
United Airlines
- Oscar Munoz2015–2020
Former CEO
Munoz handed over to Scott Kirby in May 2020 and served as executive chairman for a transition period.
Source - J. Scott Kirby2020–present
Chief Executive Officer
Under Kirby, United's revenue rose from $15.4 billion in 2020 to a record $59.1 billion in 2025, with premium cabins and MileagePlus as the main growth drivers.
Source
Timeline: Amgen and United Airlines side by side
1926United Airlines
Varney Air Lines begins
United traces its roots to Varney Air Lines and early air mail service.
1931United Airlines
United Air Lines organized
United Air Lines was formed to manage airline subsidiaries tied to United Aircraft and Transport.
1980Amgen
Applied Molecular Genetics is incorporated
Applied Molecular Genetics (AMGen) was incorporated on April 8, 1980 in Thousand Oaks, California, as the idea of venture capitalist William K. Bowes Jr. and a group of scientific collaborators.
1983Amgen
Nasdaq listing and the erythropoietin clone
Amgen completed its initial public offering on June 17, 1983, raising nearly US$40 million under chief financial officer Gordon Binder, and formally shortened its name to Amgen.
1984Amgen
Kirin-Amgen joint venture formed
Amgen and Kirin Brewery Company of Japan formed Kirin-Amgen in 1984 as a joint venture for the worldwide commercialization of erythropoietin.
1985Amgen
G-CSF cloned, leading to Neupogen
While Fu-Kuen Lin's team worked on erythropoietin, researcher Larry Souza and his group cloned and expressed human granulocyte colony-stimulating factor in 1985.
1989Amgen
FDA approves Epogen
The FDA approved Epogen (epoetin alfa) on June 1, 1989 for anemia in patients with chronic kidney failure on dialysis. It was the first commercial recombinant human erythropoietin. Epogen's U.S.
1991Amgen
Neupogen approved, giving Amgen a second franchise
The FDA approved Neupogen (filgrastim) in February 1991. By stimulating white blood cell production it reduced the risk of infection in cancer patients with chemotherapy-induced neutropenia.
1991Amgen
Amgen wins the erythropoietin patent fight
On March 6, 1991 the U.S. Court of Appeals for the Federal Circuit upheld the Kirin-Amgen erythropoietin patent and ruled against Genetics Institute in Amgen v. Chugai Pharmaceutical and Genetics Institute.
1997United Airlines
Star Alliance founded
United became one of the founding members of Star Alliance.
2001Amgen
FDA approves Aranesp, the longer-acting EPO
Aranesp (darbepoetin alfa), an erythropoietin analogue with modified glycosylation and a longer half-life, was approved in 2001. Less frequent dosing than Epogen improved convenience and gave Amgen a newer, higher-priced product to migrate patients toward.
2002Amgen
US$16 billion Immunex acquisition brings Enbrel in-house
Amgen completed its acquisition of Immunex Corporation on July 16, 2002, the largest biotechnology deal to that point at about US$16 billion in stock and cash.
2010Amgen
Prolia and XGEVA create the bone health franchise
The FDA approved Prolia (denosumab) for postmenopausal osteoporosis in June 2010 and XGEVA, the same molecule at a higher dose, for prevention of skeletal-related events in cancer patients in November 2010.
2010United Airlines
Continental merger closes
UAL Corporation completed the Continental merger, later operating under the United brand.
2015United Airlines
Oscar Munoz becomes CEO
Oscar Munoz became chief executive of United in September 2015.
2019Amgen
US$13.4 billion purchase of Otezla from Celgene
Amgen agreed in August 2019 to buy worldwide rights to Otezla (apremilast) from Celgene for US$13.4 billion in cash, or about US$11.2 billion net of the present value of US$2.2 billion of anticipated future cash tax benefits, and closed on November 21, 2019.
2020Amgen
Amgen joins the Dow Jones Industrial Average
Amgen replaced Pfizer in the Dow Jones Industrial Average on August 31, 2020, becoming one of the thirty components in the index. Inclusion recognized the scale Amgen had reached and added passive demand from Dow-tracking funds.
2020United Airlines
Scott Kirby becomes CEO
Scott Kirby succeeded Oscar Munoz as CEO in May 2020.
2023Amgen
US$27.8 billion Horizon Therapeutics acquisition closes
Amgen completed the acquisition of Horizon Therapeutics plc on October 6, 2023 for US$116.50 per share in cash, an equity value of about US$27.8 billion, after settling FTC litigation with a behavioral consent decree.
2024Amgen
Imdelltra becomes the first T-cell engager for small cell lung cancer
The FDA granted accelerated approval to tarlatamab, sold as Imdelltra, on May 16, 2024 for extensive stage small cell lung cancer that has progressed on or after platinum-based chemotherapy.
2025Amgen
VESALIUS-CV extends the Repatha case to primary prevention
In November 2025 Amgen reported Phase 3 VESALIUS-CV results in more than 12,000 patients with atherosclerosis or diabetes but no prior heart attack or stroke.
2025United Airlines
Revenue reaches record level
United reported record 2025 total operating revenue of $59.1 billion.
2026Amgen
Medicare price setting reaches Enbrel and Otezla
Enbrel's negotiated Medicare price under the Inflation Reduction Act took effect on January 1, 2026, after it was named in the first round of ten drugs selected for negotiation.
2026United Airlines
Q2 2026 revenue up 16%
United reported Q2 2026 revenue of $17.7 billion and raised full-year adjusted EPS guidance to $9-$11 despite nearly $6 billion in added fuel costs.
Acquisitions
Amgen
- Horizon Therapeutics plc2023$27.8B
- ChemoCentryx, Inc.2022$3.7B
- Five Prime Therapeutics2021$1.9B
- Celgene Otezla Business2019$13.4B
- Onyx Pharmaceuticals, Inc.2013$10.4B
- DeCODE Genetics2012$415M
Questions about Amgen vs United Airlines
Who is the CEO of Amgen Inc. and United Airlines Holdings, Inc.?
Amgen Inc. is led by Robert A. Bradway and United Airlines Holdings, Inc. is led by Scott Kirby. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Amgen Inc. founded vs United Airlines Holdings, Inc.?
United Airlines Holdings, Inc. was founded in 1926 — 54 years before Amgen Inc., which was founded in 1980. United Airlines Holdings, Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Amgen Inc..
How many employees does Amgen Inc. have compared to United Airlines Holdings, Inc.?
Amgen Inc. employs approximately 31,500 people, while United Airlines Holdings, Inc. employs approximately 113,200. United Airlines Holdings, Inc. has the larger workforce at 113,200 employees, compared to Amgen Inc.'s 31,500. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Amgen Inc. and United Airlines Holdings, Inc. headquartered?
Both Amgen Inc. and United Airlines Holdings, Inc. are headquartered in United States, meaning they operate under the same primary regulatory and tax environment.
Who founded Amgen Inc. and United Airlines Holdings, Inc.?
Amgen Inc. was founded by George B. Rathmann, William K. Bowes Jr.. United Airlines Holdings, Inc. was founded by Walter T. Varney, William Boeing.
Which company has a longer operating history — Amgen Inc. or United Airlines Holdings, Inc.?
United Airlines Holdings, Inc. has been operating for approximately 100 years, making it the more established of the two companies. Amgen Inc. has been in operation for around 46 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 Amgen vs United Airlines overview