Amgen: Detailed Company Information & Corporate Profile

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Summary

Amgen is a biotech company founded in 1980, headquartered in Thousand Oaks, CA, USA. With a workforce exceeding 10,000 employees and annual revenues between $10 B and $100 B, it specializes in biologics, human therapeutics, and the development of novel products.

Leadership at Amgen spans a range of strategic functions: Chris Doan serves as Head Patient Access & Field Reimbursement Vendor Strategy; Jacintha Shenton is Associate Vice President for Translational Safety & Risk Sciences (TSRS); Mitun Pragji holds the role of Business Product Owner. Other key figures include Zack Madden, Associate Director; Wendy Modica, Senior Specialty Representative in Bone Health; Karolyn Maysonet, Project Lead; and Arlynn Vizcarra, Senior Specialty Representative for Respiratory Biologics.

Amgen’s multidisciplinary teams—from AI & Data leadership under Alya Chumak to patient access liaisons such as Rita Barr and Laura Warniment—drive innovation across therapeutic development, safety science, and market access initiatives.

Amgen Websiteamgen.com
Industries
Amgen Headquarters AddressOne Amgen Center Drive, Thousand Oaks, CA, 91320 US
Company Size10000+ employees
Specialities & ServicesBiologics, Human therapeutics, Development of novel products
TechnologiesjQuery, Cloudflare, Bootstrap, AWS CloudFront, Flask, ASP.NET
Founded1980
Estimated Annual Revenue$10B - 100B
Updated:2026-10-05

Amgen Org Chart

Chief Executive Officer

Chief Executive Officer

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General Manager

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Diane Devine

Registered Nurse

General Manager

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General Manager

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Subsidiaries and Affiliated Companies

Estimated Website Traffic

The chart shows a growth in traffic to the amgen.com website. In September, traffic increased to 315397, compared to 287752 in the previous month. The highest traffic in 2026 was recorded in February, reaching 595224 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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Amgen's workforce includes employees across a wide range of tenure levels.

11% have been with the company for 1 to 2 years11% have been with the company for 3 to 4 years17% have been with the company for 5 to 7 years13% have been with the company for 8 to 10 years47% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from Amgen
Chris Doan
Chris DoanHead Patient Access & Field Reimbursement Vendor Strategy
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Jacintha Shenton
Jacintha ShentonAssociate Vice President, Translational Safety & Risk Sciences (TSRS)
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Mitun Pragji
Mitun PragjiBusiness Product Owner
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Zack Madden
Zack MaddenAssociate Director
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Wendy Modica
Wendy ModicaSr Specialty Rep Bone Health
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Karolyn Maysonet
Karolyn MaysonetProject Lead
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Julyun Oh
Julyun OhPrincipal Scientist
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Arlynn Vizcarra
Arlynn VizcarraSenior Specialty Representative, Respiratory Biologics
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Rita Barr
Rita BarrPatient Access Liaison - Rare Disease
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Laura Warniment
Laura WarnimentPatient Access Liaison
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Alya Chumak
Alya ChumakDirector, Artificial Intelligence (AI) & Data
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Sekhar
SekharSenior Data Engineer
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Sara Man
Sara ManProduct Manager
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Kevin Cochran
Kevin CochranR&D Operations Budget Manager
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Shiming Jiang
Shiming JiangSenior Research Director
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Bhavitha
BhavithaSenior Quality Engineer
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Amgen Corporate Information: FAQ

Amgen operates in the Biotech industries. More details can be found on the official website: amgen.com.
Amgen has offices located in Thousand Oaks, US.
The headquarters of Amgen are located in Thousand Oaks, United States.
Amgen currently employs 10000+ people.

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