John Grayken

Irish billionaire
Person human Q20740916
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John Grayken

Summary

John Grayken is a human[1]. His place of birth was Cohasset[2]. He was born on +1956-06-00T00:00:00Z[3]. He worked as a private equity[4] and chairperson[5]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (68 views/month, #7,249 of 1,000,298).[6]

Key Facts

  • John Grayken was born in Cohasset[2].
  • John Grayken was born on +1956-06-00T00:00:00Z[3].
  • John Grayken held citizenship in Ireland[7].
  • John Grayken's professions included private equity[4].
  • John Grayken's professions included chairperson[5].
  • John Grayken was employed by Lone Star Funds[8].
  • John Grayken's education included a stint at University of Pennsylvania[9].
  • John Grayken's education included a stint at Harvard Business School[10].
  • John Grayken is recorded as male[11].
  • John Grayken's instance of is recorded as human[12].
  • John Grayken's chairperson is recorded as Lone Star Funds[13].
  • John Grayken's given name is recorded as John[14].
  • John Grayken's pseudonym is recorded as John P Grayken[15].
  • John Grayken's official website is recorded as http://www.lonestarfunds.com/about-us/team/john-grayken/[16].
  • John Grayken's languages spoken, written or signed is recorded as English[17].
  • John Grayken's Crunchbase person ID is recorded as john-p-grayken[18].
  • John Grayken's Google Knowledge Graph ID is recorded as /g/11bv3xjbmd[19].

Body

Origins and Family

John Grayken's place of birth was Cohasset[2]. He was born on +1956-06-00T00:00:00Z[3].

Education

Educated at University of Pennsylvania[9], a private university[20], in United States[21], founded in 1740[22], headquartered in Philadelphia[23] and Harvard Business School[10], a business school[24], in United States[25], founded in 1908[26], headquartered in Boston[27].

Career and Affiliations

Recorded occupations include private equity[4] and chairperson[5]. Among John Grayken's employers was Lone Star Funds[8].

Why It Matters

John Grayken ranks in the top 0.72% of human entities by monthly Wikipedia readership (68 views/month, #7,249 of 1,000,298).[6]

FAQs

Where was John Grayken born?

Born in Cohasset[2], John Grayken…

What did John Grayken do for work?

John Grayken worked as private equity[4] and chairperson[5].

Where did John Grayken go to school?

John Grayken was educated at University of Pennsylvania[9] and Harvard Business School[10].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [11] . wikidata.org.
  3. [7] . wikidata.org.
  4. [12] . wikidata.org.
  5. [9] . wikidata.org.
  6. [10] . wikidata.org.
  7. [4] . wikidata.org.
  8. [5] . wikidata.org.
  9. [8] . wikidata.org.
  10. [13] . wikidata.org.
  11. [3] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.

Inline context (facts about related entities)

  1. [20] . Wikidata. wikidata.org. → on this site
  2. [21] . Wikidata. wikidata.org. → on this site
  3. [22] . Wikidata. wikidata.org. → on this site
  4. [23] . Wikidata. wikidata.org. → on this site
  5. [24] . Wikidata. wikidata.org. → on this site
  6. [25] . Wikidata. wikidata.org. → on this site
  7. [26] . Wikidata. wikidata.org. → on this site
  8. [27] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [6] . Wikimedia Foundation. dumps.wikimedia.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). John Grayken. Retrieved May 3, 2026, from https://4ort.xyz/entity/john-grayken
MLA “John Grayken.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/john-grayken.
BibTeX @misc{4ortxyz_john-grayken_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John Grayken}}, year = {2026}, url = {https://4ort.xyz/entity/john-grayken}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John Grayken — https://4ort.xyz/entity/john-grayken (retrieved 2026-05-03)

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