headquarters_location plumtree software
David Filo ( ___MASK51___ April 20 , 1966 ) is an American businessman and the co - founder of Yahoo ! with Jerry Yang . His Filo Server Program , written in the C programming language , was the server - side software used to dynamically serve variable web pages , called Filo Server Pages , on visits to early versions of the Yahoo ! web site . Jerry Chih - Yuan Yang ; ___MASK51___ November 6 , 1968 in ___MASK3___ ) is a Taiwanese American ___MASK59___ entrepreneur and programmer . He is the co - founder and former CEO of Yahoo ! Inc . Google is an American multinational technology company specializing in ___MASK59___ - related services and products that include online advertising technologies , search , cloud computing , software , and hardware . BEA Systems , Inc . was a company specialized in ___MASK19___ infrastructure software products which was wholly acquired by Oracle Corporation on April 29 , 2008 . Sequoia Capital is an American venture capital firm . The firm is located in ___MASK93___ , California and mainly focuses on the technology industry . It has backed companies that now control $ 1 . 4 trillion of the combined stock market value . Sequoia manages multiple investment funds including funds specific to India , Israel , and China . ___MASK93___ is a city at the eastern edge of San Mateo County , in the ___MASK95___ Bay Area of California , in the United States . It is bordered by ___MASK95___ Bay on the north and east ; East ___MASK90___ , ___MASK90___ , and ___MASK84___ to the south ; Atherton , North Fair Oaks , and ___MASK70___ to the west . ___MASK93___ is one of the most educated cities in the state of California and the United States , with nearly 70 % of its residents having earned a degree . ___MASK93___ had 32 , 026 inhabitants according to the 2010 United States Census . Marissa Ann Mayer ( ___MASK51___ May 30 , 1975 ) is an American information technology executive , currently serving as the president and chief executive officer of Yahoo !, a position she has held since July 2012 . In January 2017 , it was announced that she stepped down from the company ' s board to serve principally as CEO of the company . She is a graduate of ___MASK84___ , and was a long - time executive , usability leader , and key spokesperson for Google . Oracle Corporation is an American multinational computer technology corporation , headquartered in ___MASK36___ . The company primarily specializes in developing and marketing database software and technology , cloud engineered systems and ___MASK19___ software products  particularly its own brands of database management systems . In 2015 Oracle was the second - largest software maker by revenue , after Microsoft . Yahoo Inc . ( also known simply as Yahoo !) is an American multinational technology company headquartered in ___MASK79___ , ___MASK78___ . Yahoo was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2 , 1995 . Yahoo was one of the pioneers of the early ___MASK59___ era in the 1990s . Marissa Mayer , a former Google executive , served as CEO and President of the company . Venture capital ( VC ) is a type of private equity , a form of financing that is provided by firms or funds to small , early - stage , emerging firms that are deemed to have high growth potential , or which have demonstrated high growth ( in terms of number of employees , annual revenue , or both ). Venture capital firms or funds invest in these early - stage companies in exchange for equity  an ownership stake  in the companies they invest in . Venture capitalists take on the risk of financing risky start - ups in the hopes that some of the firms they support will become successful . The start - ups are usually based on an innovative technology or business model and they are usually from the high technology industries , such as information technology ( IT ), social ___MASK11___ or biotechnology . Plumtree Software is a former software company founded in 1996 by product managers and engineers from Oracle and Informix with funding from Sequoia Capital . The company was a pioneer of extending the portal concept popularized by Yahoo ! from the web to ___MASK19___ computing . BEA Systems acquired Plumtree on October 20 , 2005 , and Oracle subsequently acquired BEA . Plumtree ' s former portal product continues as part of Oracle ' s product line .