Daniel O'Day

(born 1964) pharmaceutical executive
Person human Q63981759
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Daniel O'Day

Summary

Daniel O'Day is a human[1]. He was born on +1964-05-26T00:00:00Z[2]. He worked as a business executive[3] and chief executive officer[4].

Key Facts

  • Daniel O'Day was born on +1964-05-26T00:00:00Z[2].
  • Daniel O'Day held citizenship in United States[5].
  • Daniel O'Day's professions included business executive[3].
  • Daniel O'Day's professions included chief executive officer[4].
  • Daniel O'Day held the position of chief executive officer[6].
  • Among Daniel O'Day's employers was Hoffmann-La Roche[7].
  • Daniel O'Day was employed by Gilead Sciences[8].
  • Daniel O'Day was employed by Gilead Sciences[9].
  • Daniel O'Day's education included a stint at Georgetown University[10].
  • Daniel O'Day's education included a stint at Columbia University[11].
  • Daniel O'Day is recorded as male[12].
  • Daniel O'Day's instance of is recorded as human[13].
  • Daniel O'Day's family name is recorded as O'Day[14].
  • Daniel O'Day's given name is recorded as Daniel[15].
  • Daniel O'Day's different from is recorded as Daniel O'Day[16].
  • Daniel O'Day's Google Knowledge Graph ID is recorded as /g/125_02c6g[17].

Body

Origins and Family

Daniel O'Day was born on +1964-05-26T00:00:00Z[2].

Education

Educated at Georgetown University[10], a private university[18], in United States[19], founded in 1789[20], headquartered in Washington, D.C.[21] and Columbia University[11], a private university[22], in United States[23], founded in 1754[24], headquartered in Manhattan[25].

Career and Affiliations

Recorded occupations include business executive[3] and chief executive officer[4]. Employers include Hoffmann-La Roche[7], a business[26], in Switzerland[27], founded in 1896[28], headquartered in Basel[29] and Gilead Sciences[8], a business[30], in United States[31], founded in 1987[32], headquartered in Foster City[33]. Daniel O'Day held the position of chief executive officer[6].

FAQs

What did Daniel O'Day do for work?

Daniel O'Day worked as business executive[3] and chief executive officer[4].

Where did Daniel O'Day go to school?

Daniel O'Day was educated at Georgetown University[10] and Columbia University[11].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [12] . wikidata.org.
  2. [5] . wikidata.org.
  3. [13] . wikidata.org.
  4. [6] . bloomberg.com. bloomberg.com. Provenance: wikidata.org.
  5. [10] . roche.com. roche.com. Provenance: wikidata.org.
  6. [11] . roche.com. roche.com. Provenance: wikidata.org.
  7. [3] . wikidata.org.
  8. [4] . gilead.com. gilead.com. Provenance: wikidata.org.
  9. [7] . uk.reuters.com. uk.reuters.com. Provenance: wikidata.org.
  10. [8] . wikidata.org.
  11. [9] . gilead.com. gilead.com. Provenance: wikidata.org.
  12. [2] . chugai-pharm.co.jp. chugai-pharm.co.jp. Provenance: wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site
  2. [19] . Wikidata. wikidata.org. → on this site
  3. [20] . Wikidata. wikidata.org. → on this site
  4. [21] . Wikidata. wikidata.org. → on this site
  5. [22] . Wikidata. wikidata.org. → on this site
  6. [23] . Wikidata. wikidata.org. → on this site
  7. [24] . Wikidata. wikidata.org. → on this site
  8. [25] . Wikidata. wikidata.org. → on this site
  9. [26] . Wikidata. wikidata.org. → on this site
  10. [27] . Wikidata. wikidata.org. → on this site
  11. [28] . Wikidata. wikidata.org. → on this site
  12. [29] . Wikidata. wikidata.org. → on this site
  13. [30] . Wikidata. wikidata.org. → on this site
  14. [31] . Wikidata. wikidata.org. → on this site
  15. [32] . Wikidata. wikidata.org. → on this site
  16. [33] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Daniel O'Day. Retrieved May 3, 2026, from https://4ort.xyz/entity/daniel-o-day-q63981759
MLA “Daniel O'Day.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/daniel-o-day-q63981759.
BibTeX @misc{4ortxyz_daniel-o-day-q63981759_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Daniel O'Day}}, year = {2026}, url = {https://4ort.xyz/entity/daniel-o-day-q63981759}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Daniel O'Day — https://4ort.xyz/entity/daniel-o-day-q63981759 (retrieved 2026-05-03)

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