Marc Andreessen

American entrepreneur, investor, and software engineer
Person human Q62882
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Marc Andreessen was born on July 9, 1971, in Cedar Falls [1]. He is a citizen of the United States . His professional roles include computer scientist, entrepreneur, inventor, blogger, programmer, and software engineer . He attended New Lisbon High School and the University of Illinois Urbana–Champaign .

Andreessen worked at Netscape from 1994 to 1999 and has been employed by Andreessen Horowitz since 2009 [2]. His notable works include Mosaic and Fairshake . He has held a position as a board of directors member from 2008 to the present [3].

His contributions have been recognized with the W. Wallace McDowell Award, the ACM Software System Award, induction into the Internet Hall of Fame, and the Queen Elizabeth Prize for Engineering [4][5][6].

Marc Andreessen

Summary

Marc Andreessen is a human[1]. His place of birth was Cedar Falls[2]. He was born on +1971-07-09T00:00:00Z[3]. He worked as a computer scientist[4], entrepreneur[5], inventor[6], blogger[7], and programmer[8]. He ranks in the top 0.49% of human entities by monthly Wikipedia readership (4,577 views/month, #4,857 of 1,000,298).[9]

Key Facts

  • Marc Andreessen's place of birth was Cedar Falls[2].
  • Marc Andreessen was born on +1971-07-09T00:00:00Z[3].
  • Marc Andreessen was born on +1971-09-09T00:00:00Z[10].
  • Among Marc Andreessen's spouses was Laura Arrillaga-Andreessen[11].
  • Marc Andreessen held citizenship in United States[12].
  • Marc Andreessen worked as a computer scientist[4].
  • Marc Andreessen worked as an entrepreneur[5].
  • Marc Andreessen's professions included inventor[6].
  • Marc Andreessen's professions included blogger[7].
  • Marc Andreessen worked as a programmer[8].
  • Marc Andreessen's professions included software engineer[13].
  • Marc Andreessen held the position of board of directors member[14].
  • Marc Andreessen was employed by Andreessen Horowitz[15].
  • Marc Andreessen's education included a stint at New Lisbon High School[16].
  • A notable work attributed to Marc Andreessen is Mosaic[17].
  • A notable work attributed to Marc Andreessen is Fairshake[18].
  • Marc Andreessen received the Queen Elizabeth Prize for Engineering[19].
  • Marc Andreessen received the Internet Hall of Fame[20].
  • Marc Andreessen received the ACM Software System Award[21].
  • Marc Andreessen received the W. Wallace McDowell Award[22].
  • Marc Andreessen's image is recorded as Marc Andreessen-9 (cropped).jpg[23].
  • Marc Andreessen is recorded as male[24].
  • Marc Andreessen's instance of is recorded as human[25].
  • Marc Andreessen was affiliated with the Republican Party[26].
  • Marc Andreessen's ISNI is recorded as 000000011471693X[27].

Body

Origins and Family

Marc Andreessen's place of birth was Cedar Falls[2]. Recorded date of birth include +1971-07-09T00:00:00Z[3] and +1971-09-09T00:00:00Z[10].

Education

Marc Andreessen's education included a stint at New Lisbon High School[16].

Career and Affiliations

Recorded occupations include computer scientist[4], entrepreneur[5], inventor[6], blogger[7], programmer[8], and software engineer[13]. Among Marc Andreessen's employers was Andreessen Horowitz[15]. He held the position of board of directors member[14].

Works and Contributions

Notable works include Mosaic[17], a web browser[28], founded in 1993[29] and Fairshake[18], a political action committee[30]. Things named for Marc Andreessen include Andreessen Horowitz[31], a venture capital firm[32], in United States[33], founded in 2009[34], headquartered in Menlo Park[35].

Recognition

Awards received include Queen Elizabeth Prize for Engineering[19], a science award[36], in United Kingdom[37], founded in 2012[38]; Internet Hall of Fame[20], a hall of fame[39], in United States[40], founded in 2012[41]; ACM Software System Award[21], a science award[42], founded in 1983[43]; and W. Wallace McDowell Award[22], an award[44], founded in 1966[45].

Personal Life

Marc Andreessen was married to Laura Arrillaga-Andreessen[11]. He was affiliated with the Republican Party[26].

Why It Matters

Marc Andreessen ranks in the top 0.49% of human entities by monthly Wikipedia readership (4,577 views/month, #4,857 of 1,000,298).[9] He has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[46] He is known by 12 alternative names across languages and contexts.[47]

Entities named for him include Andreessen Horowitz[31], a venture capital firm[32], in United States[33], founded in 2009[34], headquartered in Menlo Park[35].

FAQs

Where was Marc Andreessen born?

Born in Cedar Falls[2], Marc Andreessen…

Who was Marc Andreessen married to?

Marc Andreessen's spouses include Laura Arrillaga-Andreessen[11].

What did Marc Andreessen do for work?

Marc Andreessen worked as computer scientist[4], entrepreneur[5], inventor[6], blogger[7], and programmer[8].

Where did Marc Andreessen go to school?

Marc Andreessen was educated at New Lisbon High School[16].

What awards did Marc Andreessen receive?

Honors received include Queen Elizabeth Prize for Engineering[19], Internet Hall of Fame[20], ACM Software System Award[21], and W. Wallace McDowell Award[22].

References

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

Direct Wikidata claims

  1. [23] . wikidata.org.
  2. [2] . wikidata.org.
  3. [24] . Integrated Authority File. Retrieved . wikidata.org.
  4. [11] . wikidata.org.
  5. [12] . wikidata.org.
  6. [25] . wikidata.org.
  7. [14] . investor.fb.com. Retrieved . investor.fb.com. Provenance: wikidata.org.
  8. [16] . Retrieved . wikidata.org.
  9. [26] . wikidata.org.
  10. [4] . wikidata.org.
  11. [5] . wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . wikidata.org.
  14. [8] . wikidata.org.
  15. [13] . wikidata.org.
  16. [15] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . internethalloffame.org. internethalloffame.org. Provenance: wikidata.org.
  19. [21] . awards.acm.org. awards.acm.org. Provenance: wikidata.org.
  20. [22] . computer.org. computer.org. Provenance: wikidata.org.
  21. [27] . wikidata.org.
  22. [3] . Encyclopædia Britannica Online. wikidata.org.
  23. [10] . Library of Congress Authorities. Retrieved . wikidata.org.
  24. [17] . wikidata.org.
  25. [18] . Retrieved . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [31] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [36] . Wikidata. wikidata.org. → on this site
  2. [37] . Wikidata. wikidata.org. → on this site
  3. [38] . Wikidata. wikidata.org. → on this site
  4. [39] . Wikidata. wikidata.org. → on this site
  5. [40] . Wikidata. wikidata.org. → on this site
  6. [41] . Wikidata. wikidata.org. → on this site
  7. [42] . Wikidata. wikidata.org. → on this site
  8. [43] . Wikidata. wikidata.org. → on this site
  9. [44] . Wikidata. wikidata.org. → on this site
  10. [45] . 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. [32] . Wikidata. wikidata.org. → on this site
  15. [33] . Wikidata. wikidata.org. → on this site
  16. [34] . Wikidata. wikidata.org. → on this site
  17. [35] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [46] . Wikidata sitelinks. wikidata.org.
  3. [47] . Wikidata aliases. wikidata.org.

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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). Marc Andreessen. Retrieved March 11, 2026, from https://4ort.xyz/entity/marc-andreessen
MLA “Marc Andreessen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Mar. 2026, https://4ort.xyz/entity/marc-andreessen.
BibTeX @misc{4ortxyz_marc-andreessen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Marc Andreessen}}, year = {2026}, url = {https://4ort.xyz/entity/marc-andreessen}, note = {Accessed: 2026-03-11}}
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