Mark Rein

Canadian entrepreneur
Person human Q16735112
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Mark Rein

Summary

Mark Rein is a human[1]. He worked as a businessperson[2]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (41 views/month, #7,260 of 1,000,298).[3]

Key Facts

  • Mark Rein held citizenship in Canada[4].
  • Mark Rein worked as a businessperson[2].
  • Among Mark Rein's employers was Epic Games[5].
  • Among Mark Rein's employers was id Software[6].
  • Mark Rein's image is recorded as Mark Rein (cropped).jpg[7].
  • Mark Rein is recorded as male[8].
  • Mark Rein's instance of is recorded as human[9].
  • Mark Rein's Commons category is recorded as Mark Rein[10].
  • Mark Rein's residence is recorded as Raleigh[11].
  • Mark Rein's Freebase ID is recorded as /m/08gdxw[12].
  • Mark Rein's family name is recorded as Rein[13].
  • Mark Rein's given name is recorded as Mark[14].
  • Mark Rein's given name is recorded as A.[15].
  • Mark Rein's partner in business or sport is recorded as Tim Sweeney[16].
  • Mark Rein's X is recorded as MarkRein[17].
  • Mark Rein's Instagram username is recorded as markrein[18].
  • Mark Rein's Crunchbase person ID is recorded as mark-rein[19].
  • Mark Rein's Giant Bomb ID is recorded as 3040-6850[20].
  • Mark Rein's LinkedIn personal profile ID is recorded as markrein[21].
  • Mark Rein's social media followers is recorded as {'amount': '+101243'}[22].
  • Mark Rein's social media followers is recorded as {'amount': '+36669'}[23].
  • Mark Rein's social media followers is recorded as {'amount': '+123919'}[24].
  • Mark Rein's social media followers is recorded as {'amount': '+129917'}[25].

Body

Career and Affiliations

Mark Rein's professions included businessperson[2]. Employers include Epic Games[5], a video game developer[26], in United States[27], founded in 1991[28], headquartered in Cary[29] and id Software[6], a video game developer[30], in United States[31], founded in 1991[32], headquartered in Richardson[33].

Why It Matters

Mark Rein ranks in the top 0.73% of human entities by monthly Wikipedia readership (41 views/month, #7,260 of 1,000,298).[3]

FAQs

What did Mark Rein do for work?

Mark Rein worked as businessperson[2].

References

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

Direct Wikidata claims

  1. [7] . wikidata.org.
  2. [8] . wikidata.org.
  3. [4] . wikidata.org.
  4. [9] . wikidata.org.
  5. [2] . wikidata.org.
  6. [5] . wikidata.org.
  7. [6] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Google Knowledge Graph. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Retrieved . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.

Inline context (facts about related entities)

  1. [26] . Wikidata. wikidata.org. → on this site
  2. [27] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . Wikidata. wikidata.org. → on this site
  5. [30] . Wikidata. wikidata.org. → on this site
  6. [31] . Wikidata. wikidata.org. → on this site
  7. [32] . Wikidata. wikidata.org. → on this site
  8. [33] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [3] . 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). Mark Rein. Retrieved April 10, 2026, from https://4ort.xyz/entity/mark-rein
MLA “Mark Rein.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/mark-rein.
BibTeX @misc{4ortxyz_mark-rein_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Mark Rein}}, year = {2026}, url = {https://4ort.xyz/entity/mark-rein}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Mark Rein — https://4ort.xyz/entity/mark-rein (retrieved 2026-04-10)

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