Question: When was the American privately held health technology company based in Palo Alto founded who's founder and CEO was Elizabeth Anne Holmes?

Context articles: Elizabeth Holmes
Theranos
Esther Wojcicki
Palo Alto Records
Bike Arc
FriendsLearn
MZ (company)
RedBrick Health
Flipboard
Hewlett Packard Enterprise

Elizabeth Anne Holmes ( ; born February 3, 1984) is an American entrepreneur and inventor.
 She is the founder and CEO of Theranos, a privately-held blood test company based in Palo Alto, California.
 In 2015, "Forbes" named Holmes as the youngest self-made female billionaire in the world due to a $9 billion valuation of Theranos.
 The next year Forbes revised her net value "From $4.5 Billion to Nothing".
 She was also named as "TIME's" "100 Most Influential People" of 2015.
 In 2016, after a series of journalistic and regulatory investigations that questioned the veracity of Theranos' claims, federal prosecutors began criminal investigations for potentially misleading investors and the government about the company's blood-testing technology.
 Following the revelation of potential fraud, "Fortune" named Holmes one of the "World's Most Disappointing Leaders".
 In 2016, the Centers for Medicare and Medicaid Services banned Holmes from owning, operating, or directing a diagnostic lab for a period of two years.
 That decision is under appeal.
Theranos ( ) is an American privately held health technology company based in Palo Alto, California.
 The company is known for its marketing of its efforts to create blood tests that used small sample volume technology.
 It was founded in 2003 by Elizabeth Holmes at the age of 19.
 By 2014, Theranos had raised more than $400 million in funding with an estimated value of $9 billion.
Esther Denise "Woj" Hochman Wojcicki ( ; ] ) is an American journalist, educator, and vice chair of the Creative Commons board of directors.
 Wojcicki has studied education and technology.
 She is the Founder of the Palo Alto High School Media Arts Center in Palo Alto, CA.
Palo Alto Records was a jazz record company and label that released most of its discography in the 1980s.
 The label was founded in 1981 by Jim Benham, who lived in Palo Alto, California.
 He played trumpet in a big band and was chairman of the Benham Capital Management Group.
 Herb Wong, an educator and disc jockey in San Francisco, was artistic director until 1985.
 The Palo Alto office closed that year, but the label moved to Studio City.
Bike Arc LLC, located in downtown Palo Alto, California, is a Silicon Valley startup that designs secure bicycle parking racks and systems.
 It was founded by Joseph Bellomo and Jeff Selzer in 2008.
 Jeff Selzer sits on the Board of Directors of the Silicon Valley Bicycle Coalition and is the General Manager of Palo Alto Bicycles.
 Joseph Bellomo, a California-licensed architect, is the founder and owner of Joseph Bellomo Architects, Inc. in Palo Alto, which he founded in 1986.
 In addition to collaborating on Bike Arc, Mr. Bellomo and Mr. Selzer also worked together on the Palo Alto Bikestation at the Caltrain depot.
FriendsLearn is a privately held Silicon Valley EdTech and mHealth startup company headquartered in Palo Alto California, USA.
 The company was founded in 2011 and develops mobile health technologies, best known as the producer and developer of fooya!
.
 FriendsLearn is a pioneer in Neuropsychology based behavior design and learnified therapeutic entertainment.
Machine Zone, Inc. (MZ) is a privately held technology company, founded in 2008 and based in Palo Alto, California.
 The company is best known for its widely advertised freemium mobile MMO strategy games "" and "Mobile Strike", which have both simultaneously been ranked among the top ten highest-grossing mobile games.
RedBrick Health is a health technology and services company based in Minneapolis, Minnesota.
 RedBrick Health is privately held and works with large, self-insured employers, progressive health plans, providers and accountable care organizations.
Flipboard is a news aggregation and social network aggregation company based in Palo Alto, California, with offices in New York, Vancouver and Bejiing.
 Its software, also known as Flipboard, was first released in July 2010.
 It aggregates content from social media, news feeds, photo sharing sites and other websites, presents it in magazine format, and allows users to "flip" through the articles, images and videos being shared.
 Readers can also save stories into Flipboard magazines.
 As of March 2016 the company claims there have been 28 million magazines created by users on Flipboard.
 The service can be accessed via web browser, or by a Flipboard application for Microsoft Windows and macOS, and via mobile apps for iOS, Android and Windows Phone (discontinued August 30, 2017).
 The client software is available at no charge and is localized in 21 languages.
 Its current headquarters is located at 735 Emerson St, Palo Alto, CA 94301, recently moving from a nearby building.
Hewlett Packard Enterprise Company (commonly referred to as Hewlett Packard Enterprise or HPE) is an American multinational enterprise information technology company based in Palo Alto, California, founded on 1 November 2015 as part of splitting of the Hewlett-Packard company.
 HPE is a business-focused organization with four divisions: Enterprise Group, which works in servers, storage, networking, consulting and support; Services; Software; and Financial Services.