Title: Reid Hoffman
Content:  Hoffman co-founded LinkedIn in December 2002 with two former colleagues from SocialNet (including Allen Blue), a former college classmate and a former colleague from his time at Fujitsu. It launched on May 5, 2003, as one of the first business-oriented online social networks. Peter Thiel and Keith Rabois, colleagues of Hoffman's at PayPal, invested in LinkedIn. By November 2014, LinkedIn had over 332 million members in more than 200 countries and territories. The site allows registered users to create professional profiles and connect with each other. Users can invite anyone (whether a site user or not) to become a connection. According to Forbes, "LinkedIn is, far and away, the most advantageous social networking tool available to job seekers and business professionals today." Hoffman was LinkedIn's founding CEO for the first four years before becoming chairman and 
Title: LinkedIn
Content:  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 seekers to post their CVs and employers to post jobs. As of 2015, most of the company's revenue came from selling access to information about its members to recruiters and sales professionals. Since December 2016, it has been a wholly owned subsidiary of Microsoft. LinkedIn has 774+ million registered members from over 200 countries and territories. LinkedIn allows members (both workers and employers) to create profiles and "connect" with each other in an online social network which may represent real-world professional relationships. Members can invite anyone (whether an existing member or not) to become a "connection". LinkedIn can also be used to organize offline events, join groups, write articles, publish job postings, post photos and videos, and more.
Title: Eric Ly
Content:  In 2002, Ly co-founded LinkedIn with Reid Hoffman, a Stanford schoolmate, and several other co-founders, including Jean-Luc Vaillant, Allen Blue, and Konstantin Guericke. When Microsoft acquired LinkedIn in 2016 for $26.2B, it was the world's "largest social networking site focused on the working world" with more than 400 million registered users. As LinkedIn's founding CTO, Ly "helped create some of its core product features, which enabled the company to reach profitability and a quickly growing user base."
Title: Reid Hoffman
Content:  Reid Garrett Hoffman (born August 5, 1967) is an American internet entrepreneur, venture capitalist and author. Hoffman was the co-founder and executive chairman of LinkedIn, a business-oriented social network used primarily for professional networking. He is currently a partner at the venture capital firm Greylock Partners. On the Forbes 2021 list of the world's billionaires, Hoffman was ranked #1580 with a net worth of US$2.4 billion.
Title: Keith Rabois
Content:  Between January 2005 and May 2007, Rabois worked at LinkedIn, a social network and job aggregator for working professionals, as its vice president for Business and Corporate Development. LinkedIn was founded by Reid Hoffman, also a former employee at PayPal and a member of the PayPal Mafia.
Title: Daniel Roth (writer)
Content:  Daniel Roth (born 1973) is the Editor in Chief and VP at LinkedIn. After working as a writer and editor magazines like Forbes, Fortune, Wired and Conde Nast Portfolio, Roth joined LinkedIn in 2011 to start its editorial operations.
Title: Daniel Roth (writer)
Content:  In 2011 he joined LinkedIn where he is the Editor in Chief and VP of LinkedIn, based out of LinkedIn's NYC offices in the Empire State Building. He was hired to help lead its move to a content site; he now leads a newsroom with over 65 editors that help "curate, cultivate and create" professionally relevant articles, posts, videos and voices for the social network In his role, Roth oversees a team of 65+ editors across the globe – from Amsterdam to Sydney – who handle curation of breaking news and views on LinkedIn; creation of original articles and videos; and the cultivation of new and top contributors across the site. Over the years, he helped build and launch the Influencer program, the 12-country-spanning, 7-language Daily Rundown, the This is Working series and podcast – and other areas of original and curated articles and insights. Business Insider once dubbed him the "most powerful business journalist on the Internet." He’s spoken to guests such as Sir Richard Branson, Brene Brown, Sarah Blakely and Mark Cuban. In 2020, the editorial team was renamed the LinkedIn News team. Business Insider once called him the "most powerful business journalist on the Internet".
Title: Jeff Weiner
Content:  Jeffrey "Jeff" Weiner (born February 21, 1970 in New York City, New York) is an American businessman. He was the chief executive officer (CEO) of LinkedIn, a business-related social networking website. He started with LinkedIn on December 15, 2008, as Interim President. Weiner played an instrumental role in LinkedIn's acquisition by Microsoft for $26 billion in June 2016.
Title: Ryan Roslansky
Content:  Ryan Roslansky (born December 4, 1977 in South Lake Tahoe, California) is an American entrepreneur. He is the chief executive officer (CEO) of LinkedIn, a business-related social networking website, since June 2020 stepping up from his previous position as Senior Vice President. He started with LinkedIn in 2009 and was instrumental in the $1.5 billion acquisition of Lynda.com in 2015, the largest acquisition in LinkedIn's history at that time. In 2021, he was named to Forbes CEO Next list.
Title: Ryan Roslansky
Content:  In June 2020, Roslansky was named CEO of LinkedIn, replacing predecessor Jeff Weiner. Ryan joined the company in May 2009 and held leadership roles in every part of LinkedIn’s business. He led the evolution of LinkedIn’s products into a global ecosystem of more than 756 million members, 57 million companies, 120 thousand schools, and 38 thousand skills. He launched several new initiatives for the company including the Influencer program (which includes Richard Branson, Arianna Huffington, and Bill Gates, among others,) and founded the editorial team which today boasts 75+ writers and editors. In 2015, Roslansky was a key part of the $1.5 billion acquisition of Lynda.com, the largest acquisition in LinkedIn's history at that time. In response to the Covid-19 pandemic, Microsoft and Linkedin pledged to upskill 25 million workers and in 2021, has surpassed that number.

Question: Who is the author of LinkedIn?
Answer: Reid Hoffman.
Reid Garrett Hoffman.
Reid G. Hoffman.