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Marc Lowell Andreessen ( ; born July 9, 1971) is an American entrepreneur, investor, and software engineer. He is the co-author of
Mosaic A mosaic is a pattern or image made of small regular or irregular pieces of colored stone, glass or ceramic, held in place by plaster/mortar, and covering a surface. Mosaics are often used as floor and wall decoration, and were particularly pop ...
, the first widely used
web browser A web browser is application software for accessing websites. When a user requests a web page from a particular website, the browser retrieves its files from a web server and then displays the page on the user's screen. Browsers are used o ...
; co-founder of
Netscape Netscape Communications Corporation (originally Mosaic Communications Corporation) was an American independent computer services company with headquarters in Mountain View, California and then Dulles, Virginia. Its Netscape web browser was on ...
; and co-founder and general partner of
Silicon Valley Silicon Valley is a region in Northern California that serves as a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical areas San Mateo Cou ...
venture capital Venture capital (often abbreviated as VC) is a form of private equity financing that is provided by venture capital firms or funds to startups, early-stage, and emerging companies that have been deemed to have high growth potential or which h ...
firm Andreessen Horowitz. He co-founded and later sold the
software Software is a set of computer programs and associated documentation and data. This is in contrast to hardware, from which the system is built and which actually performs the work. At the lowest programming level, executable code consist ...
company Opsware to
Hewlett-Packard The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components ...
. Andreessen is also a co-founder of Ning, a company that provides a platform for social networking websites. He sits on the board of directors of
Meta Platforms Meta Platforms, Inc., (file no. 3835815) doing business as Meta and formerly named Facebook, Inc., and TheFacebook, Inc., is an American multinational technology conglomerate based in Menlo Park, California. The company owns Facebook, Insta ...
. Andreessen was one of six inductees in the World Wide Web Hall of Fame announced at the First International Conference on the World-Wide Web in 1994.


Early life and education

Andreessen was born in Cedar Falls, Iowa, and raised in New Lisbon, Wisconsin.Simone Payment, ''Marc Andreessen and Jim Clark: The Founders of Netscape'', The Rosen Publishing Group, 2006, p. 15. . He is the son of Patricia and Lowell Andreessen, who worked for a seed company. In December 1993, he received his
bachelor's degree A bachelor's degree (from Middle Latin ''baccalaureus'') or baccalaureate (from Modern Latin ''baccalaureatus'') is an undergraduate academic degree awarded by colleges and universities upon completion of a course of study lasting three to si ...
in
computer science Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to Applied science, practical discipli ...
from the
University of Illinois at Urbana–Champaign The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the Un ...
(UIUC). As an undergraduate, he interned twice at IBM in
Austin, Texas Austin is the capital city of the U.S. state of Texas, as well as the seat and largest city of Travis County, with portions extending into Hays and Williamson counties. Incorporated on December 27, 1839, it is the 11th-most-populous city ...
. He worked in the AIX graphics software development group responsible for the MIT
X Window The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting w ...
implementation and ports of the 3D language APIs: SGI's Graphics Language (GL) and PHIGS. He also worked at the National Center for Supercomputing Applications (NCSA) at the University of Illinois, where he became familiar with
Tim Berners-Lee Sir Timothy John Berners-Lee (born 8 June 1955), also known as TimBL, is an English computer scientist best known as the inventor of the World Wide Web. He is a Professorial Fellow of Computer Science at the University of Oxford and a profes ...
's open standards for the
World Wide Web The World Wide Web (WWW), commonly known as the Web, is an information system enabling documents and other web resources to be accessed over the Internet. Documents and downloadable media are made available to the network through web ...
. After being shown the
ViolaWWW ViolaWWW is a discontinued browser, the first to support scripting and stylesheets for the World Wide Web (WWW). It was first released in 1991/1992 for Unix and acted as the recommended browser at CERN, where the WWW was invented, but eventually ...
graphic web browser in late 1992, Andreessen and full-time salaried co-worker Eric Bina worked on creating a browser with integrated graphics that could be ported to a wide range of computers, including Windows. The result was the Mosaic web browser released in 1993.


Career

During his career, Andreesen has worked at
Netscape Netscape Communications Corporation (originally Mosaic Communications Corporation) was an American independent computer services company with headquarters in Mountain View, California and then Dulles, Virginia. Its Netscape web browser was on ...
, Opsware, founded Andreessen Horowitz and invested in many successful companies including, Facebook, Foursquare, GitHub, Pinterest, LinkedIn and Twitter.


Netscape

After his graduation from UIUC in 1993, Andreessen moved to
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
to work at Enterprise Integration Technologies. Andreessen then met with
Jim Clark James Clark Jr. OBE (4 March 1936 – 7 April 1968) was a British Formula One racing driver from Scotland, who won two World Championships, in 1963 and 1965. A versatile driver, he competed in sports cars, touring cars and in the Indianap ...
, the founder of
Silicon Graphics Silicon Graphics, Inc. (stylized as SiliconGraphics before 1999, later rebranded SGI, historically known as Silicon Graphics Computer Systems or SGCS) was an American high-performance computing manufacturer, producing computer hardware and soft ...
, who had recently exited the firm. Clark believed the Mosaic browser had great commercial possibilities and suggested starting an Internet software company. Soon,
Mosaic Communications Corporation Netscape Communications Corporation (originally Mosaic Communications Corporation) was an American independent computer services company with headquarters in Mountain View, California and then Dulles, Virginia. Its Netscape web browser was on ...
was in business in
Mountain View, California Mountain View is a city in Santa Clara County, California, United States. Named for its views of the Santa Cruz Mountains, it has a population of 82,376. Mountain View was integral to the early history and growth of Silicon Valley, and is t ...
, with Andreessen as co-founder and vice president of technology. The University of Illinois was unhappy with the company's use of the Mosaic name, so Mosaic Communications changed its name to Netscape Communications, and its flagship Web browser was the Netscape Navigator. Netscape's IPO in 1995 put Andreessen into the public eye. He was featured on the cover of ''
Time Time is the continued sequence of existence and event (philosophy), events that occurs in an apparently irreversible process, irreversible succession from the past, through the present, into the future. It is a component quantity of various me ...
'' and other publications. Netscape was acquired in 1999 for $4.3 billion by
AOL AOL (stylized as Aol., formerly a company known as AOL Inc. and originally known as America Online) is an American web portal and online service provider based in New York City. It is a brand marketed by the current incarnation of Yahoo! Inc. ...
. Andreessen's hiring as its chief technology officer was contingent on the completion of the acquisition. The same year, he was named to the '' MIT Technology Review''
TR100 The Innovators Under 35 is a peer-reviewed annual award and listicle published by ''MIT Technology Review'' magazine, naming the world's top 35 innovators under the age of 35. at ''Technology Review'' with lists of winners at technologyreview.com ...
as one of the top 100 innovators in the world under the age of 35.


Opsware

After AOL acquired Netscape in late 1998, Andreessen went on to found Opsware with
Ben Horowitz Benjamin Abraham Horowitz (born June 13, 1966) is an American businessman, investor, blogger, and author. He is a technology entrepreneur and co-founder along with Marc Andreessen of the venture capital firm Andreessen Horowitz. He previously co ...
, Tim Howes, and In Sik Rhee. Originally named Loudcloud, the company provided computing, hosting and software services to consumer facing internet and e-commerce companies. Loudcloud sold its hosting business to EDS and changed its name to Opsware in 2003, with Andreessen serving as chairman. Acquired by Hewlett-Packard for $1.6 billion in 2007, it was one of the first companies to offer
software as a service Software as a service (SaaS ) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is also known as "on-demand software" and Web-based/Web-hosted software. SaaS is co ...
and to attempt cloud hosting.


Andreessen Horowitz

Between 2005 and 2009, Andreessen and longtime business partner
Ben Horowitz Benjamin Abraham Horowitz (born June 13, 1966) is an American businessman, investor, blogger, and author. He is a technology entrepreneur and co-founder along with Marc Andreessen of the venture capital firm Andreessen Horowitz. He previously co ...
separately invested a total of $80 million in 45 start-ups that included
Twitter Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
and
Qik Skype Qik was a video messaging service by Skype. It was created by the company, Skype Technologies, who acquired ''Qik''. The service, offered for Android, iOS, and Windows Phone devices, allowed users to exchange video messages between ...
. The two became well known as super angel investors. On July 6, 2009, Andreessen and Horowitz announced their Silicon Valley venture-capital firm Andreessen Horowitz. The firm had been scrutinized among several other venture capital firms for lack of diversity in its workforce. In an interview with ''New York Magazine'', Andreessen stated the diversity discussion was valid, however, he believed the firm, as well as other venture capital firms of Silicon Valley, had been wrongly accused of intentionally discriminating against women and people of color. When asked specifically about the critique of ethnic and gender diversity in Silicon Valley, Andreessen responded that the issues were the "same thing."


Investments

Begun with an initial capitalization of $300 million, within three years the firm grew to $2.7 billion under management across three funds. Andreessen Horowitz's portfolio holdings include
Facebook Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dust ...
, Foursquare,
GitHub GitHub, Inc. () is an Internet hosting service for software development and version control using Git. It provides the distributed version control of Git plus access control, bug tracking, software feature requests, task management, cont ...
, Pinterest,
Twitter Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
, and Honor, Inc. On September 1, 2009, an investor group that included Andreessen Horowitz acquired a majority stake in
Skype Skype () is a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for VoIP-based videotelephony, videoconferencing and voice calls. It also has instant messaging, file transfer, debi ...
at a valuation of $2.75 billion, which was considered risky. The deal paid off in May 2011 when
Microsoft Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washi ...
bought Skype for $8.5 billion. In 2010, the firm assisted Silicon Valley attorney
Ted Wang Ted Wang is an investment partner at Cowboy Ventures, a seed stage venture fund based in the Bay Area with approximately US$200 million in assets under management. Cowboy's focus is backing founders building products that “reimagine work and ...
in creating the first free standardized seed round financing documents, the Series Seed Documents. Andreessen first joined the eBay board of directors in 2008, and served on it for six years. In October 2014, Andreessen announced his resignation from the board due to the company's decision to break off its online payments unit PayPal. The decision to cut ties with PayPal was a point of contention between Andreessen and investor Carl Icahn. Icahn advocated for the PayPal split while Andreessen opposed the spin off, resulting in public disputes. Andreessen was accused by Icahn of putting his own interests in front of what was best for shareholders. Icahn published his argument in an open letter that detailed alleged conflicts of interest in eBay's 2009 sale of Skype to a group of private investors, which included Andreessen's own firm.


Industry influence

Andreessen advises the leaders of companies in which Andreessen Horowitz invests, including
Mark Zuckerberg Mark Elliot Zuckerberg (; born ) is an American business magnate, internet entrepreneur, and philanthropist. He is known for co-founding the social media website Facebook and its parent company Meta Platforms (formerly Facebook, Inc.), of ...
of Facebook and
Mark Pincus Mark Jonathan Pincus (born February 13, 1966) is an American Internet entrepreneur known as the founder of Zynga, a mobile social gaming company. Pincus also founded the startups Freeloader, Inc., Tribe Networks, and Support.com. Pincus served as ...
of Zynga. Andreessen and Horowitz were ranked No. 6 on ''
Vanity Fair Vanity Fair may refer to: Arts, entertainment and media Literature * Vanity Fair, a location in '' The Pilgrim's Progress'' (1678), by John Bunyan * ''Vanity Fair'' (novel), 1848, by William Makepeace Thackeray * ''Vanity Fair'' (magazines), the ...
''s 2011 New Establishment List, no. 1 on
CNET ''CNET'' (short for "Computer Network") is an American media website that publishes reviews, news, articles, blogs, podcasts, and videos on technology and consumer electronics globally. ''CNET'' originally produced content for radio and televi ...
's 2011 most influential investors list and Nos. 2 and 21, respectively, on the 2012 ''
Forbes ''Forbes'' () is an American business magazine owned by Integrated Whale Media Investments and the Forbes family. Published eight times a year, it features articles on finance, industry, investing, and marketing topics. ''Forbes'' also r ...
'' Midas List of Tech's Top Investors. In April 2012, Andreessen and Andreessen Horowitz General Partners Ben Horowitz, Peter Levine, Jeff Jordan, John O'Farrell, and Scott Weiss pledged to donate half of their lifetime incomes from venture capital to charitable organizations. In 2012, Andreessen was named in the ''Time'' 100, an annual list of the 100 most influential people in the world assembled by ''
Time Time is the continued sequence of existence and event (philosophy), events that occurs in an apparently irreversible process, irreversible succession from the past, through the present, into the future. It is a component quantity of various me ...
''. His essay "Software is eating the world" has been influential and highly cited. In 2013, Andreessen was one of five Internet and Web pioneers awarded the inaugural
Queen Elizabeth Prize for Engineering The Queen Elizabeth Prize for Engineering, also known as the QEPrize, is a global prize for engineering and innovation. The prize was launched in 2012 by a cross-party group consisting of David Cameron, Nick Clegg, and Ed Miliband, then Prime ...
. In April 2020, early in the
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identi ...
, Andreessen published an opinion article, "It's time to build", describing the United States' COVID-19 response and suggesting technological and cultural solutions to the problem.


Ventures

Andreessen cofounded and chaired Ning, the third company he established after Netscape and Loudcloud. In September 2011, it was announced that Ning had been sold to
Mode Media Glam.com (formerly Mode Media, Inc. Project Y, Glam Media) was a digital lifestyle media company where content was produced by anyone but reviewed by professional editors prior to publishing. In 2013, Mode Media had a valuation of about $1 billio ...
for a reported price of $150 million. Andreessen joined Glam Media's board of directors following the sale. He is a personal investor in companies including
LinkedIn LinkedIn () is an American business and employment-oriented online service that operates via websites and mobile apps. Launched on May 5, 2003, the platform is primarily used for professional networking and career development, and allows job se ...
and boutique bank Raine. Andreessen serves on the board of
Facebook Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dust ...
,
Hewlett Packard Enterprise The Hewlett Packard Enterprise Company (HPE) is an American multinational information technology company based in Spring, Texas, United States. HPE was founded on November 1, 2015, in Palo Alto, California, as part of the splitting of the ...
,
Kno Kno, Inc. was a software company that worked with publishers to offer digital textbooks and other educational materials. In November 2013, after raising nearly $100 million in venture capital, the company was acquired by Intel. The website wa ...
, Stanford Hospital, Bump Technologies, Anki, Oculus VR,
OpenGov OpenGov is a government technology company that offers cloud software for public sector accounting, planning, budgeting, citizen services, and procurement. OpenGov serves over 1,000 cities, counties, and state agencies across 49 states. In Apr ...
, Dialpad, and TinyCo. Hewlett Packard Enterprise announced in February 2018 that board member Andreessen would not seek reelection at the 2018 Annual Meeting of Stockholders on April 4. In his time at Hewlett Packard, Andreessen had been partially blamed for some of the company's failures, including the recruiting of Leo Apotheker as well as the acquisitions of
Autonomy In developmental psychology and moral, political, and bioethical philosophy, autonomy, from , ''autonomos'', from αὐτο- ''auto-'' "self" and νόμος ''nomos'', "law", hence when combined understood to mean "one who gives oneself one' ...
and Palm. He is advisor to
Asana An asana is a body posture, originally and still a general term for a sitting meditation pose,Verse 46, chapter II, "Patanjali Yoga sutras" by Swami Prabhavananda, published by the Sri Ramakrishna Math p. 111 and later extended in hatha yoga ...
and director of CollabNet. He is a proponent of
Bitcoin Bitcoin (abbreviation: BTC; sign: ₿) is a decentralized digital currency that can be transferred on the peer-to-peer bitcoin network. Bitcoin transactions are verified by network nodes through cryptography and recorded in a public distr ...
and
cryptocurrency A cryptocurrency, crypto-currency, or crypto is a digital currency designed to work as a medium of exchange through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it. It i ...
. Andreessen is on an advisory board for Neom, the
Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the Ara ...
n government’s plan to build a futuristic
megacity A megacity is a very large city, typically with a population of more than 10 million people. Precise definitions vary: the United Nations Department of Economic and Social Affairs in its 2018 "World Urbanization Prospects" report counted urban ...
in the desert.


Criticism

In February 2016, Andreessen posted a tweet in response to India's decision to apply net neutrality to Facebook's proposed project
Free Basics Internet.org is a partnership between social networking services company Meta Platforms and six companies ( Samsung, Ericsson, MediaTek, Opera Software, Nokia and Qualcomm) that plans to bring affordable access to selected Internet services ...
. The tweet suggested that anti-colonialism had been catastrophic for the Indian people. Andreessen later deleted the tweet following criticism from Indians and non-Indians alike (including Facebook founder
Mark Zuckerberg Mark Elliot Zuckerberg (; born ) is an American business magnate, internet entrepreneur, and philanthropist. He is known for co-founding the social media website Facebook and its parent company Meta Platforms (formerly Facebook, Inc.), of ...
). Facebook spent millions advertising Free Basics to the Indian public. The project failed due to violations, setting preferential tariffs in accessing content and setting up a "walled garden" on the internet.


Conflict of interest

In April 2016, Facebook shareholders filed a class action lawsuit to block Zuckerberg's plan to create a new class of non-voting shares. The lawsuit alleges Andreessen secretly coached Zuckerberg through a process to win board approval for the stock change, while Andreessen served as an independent board member representing stockholders. According to court documents, Andreessen shared information with Zuckerberg regarding their progress and concerns as well as helping Zuckerberg negotiate against shareholders. Court documents included transcripts of private texts between Zuckerberg and Andreessen.


Personal life

Andreessen married Laura Arrillaga in 2006. She is the founder of the Silicon Valley Social Venture Fund and daughter of Silicon Valley real estate billionaire
John Arrillaga John Arrillaga (April 3, 1937 – January 24, 2022) was an American billionaire real estate developer and philanthropist who was one of the largest landowners in Silicon Valley. He was also a college basketball player when he attended Stanford U ...
. They have one son together. In 2012, Andreessen expressed some support for Republican candidate
Mitt Romney Willard Mitt Romney (born March 12, 1947) is an American politician, businessman, and lawyer serving as the junior United States senator from Utah since January 2019, succeeding Orrin Hatch. He served as the 70th governor of Massachusetts ...
. During the 2016 primary season, he endorsed Republican candidate Carly Fiorina, but after Fiorina dropped out of the race, Andreessen switched his endorsement to the Democratic nominee
Hillary Clinton Hillary Diane Rodham Clinton ( Rodham; born October 26, 1947) is an American politician, diplomat, and former lawyer who served as the 67th United States Secretary of State for President Barack Obama from 2009 to 2013, as a United States sen ...
, citing the Republican nominee
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of P ...
's immigration stance. In 2021, he and his wife bought a property in Malibu for $177 million from Serge and Florence Azria. This was the highest price paid for a California property at that time. In 2022, Andreessen advocated against the construction of 131 multifamily housing units in their affluent
Atherton, California Atherton () is an incorporated town in San Mateo County, California, United States. Its population was 7,188 as of 2020. Atherton is known for its wealth; in 1990 and 2019, Atherton was ranked as having the highest per capita income among U.S. ...
town. In a letter, Andreessen and his wife wrote that they opposed permitting more than one house on a single acre of land. Andreessen's comments sparked criticisms of hypocrisy, as he had previously argued for increased housing supply, in particular in California. In 2022, Andreessen's plane was returning to Los Angeles when the nose gear failed to operate before landing. After circling the runway several times, the plane landed safely without the nose gear. Andreessen has a chapter in Tim Ferriss' book '' Tools of Titans''.


References


External links

* * {{DEFAULTSORT:Andreessen, Marc 1971 births American computer programmers American financial company founders American technology company founders American venture capitalists Andreessen Horowitz AOL employees Arrillaga family California Republicans Directors of Facebook Grainger College of Engineering alumni Internet pioneers Living people Netscape people People from Cedar Falls, Iowa People from New Lisbon, Wisconsin Silicon Valley people American billionaires Midas List