Maciej Cegłowski

Maciej Cegłowski is a Polish-American web developer, entrepreneur, speaker, and social critic, based in San Francisco, California. He is the owner of the bookmarking service Pinboard, which he calls a social bookmarking site for introverts. 2Career Cegłowski was born in Poland and "accidentally immigrated" to the United States with his mother at age six, in 1981, but calls himself "as American as gooseberry pie." He attended Middlebury College, where he studied Russian, French, and studio art., graduating with a BA in 1997. He then became a backend software developer and community manager at Yahoo!'s Brickhouse in San Francisco. While there, he created a visual search engine for airfares called FareMaps. As an independent contractor, he designed and built an internal data warehouse for Twitter and an online book reader for Otworz Ksiazke at the University of Warsaw. With Joshua Schachter, founder of Delicious, and Peter Gadjokov, Cegłowski created LOAF (List of All Friends) as a way to share social network information through email without exposing private information. He established Pinboard in 2009 after leaving Yahoo. He had been impressed by initial versions of the bookmarking service Delicious, which Yahoo had bought. However, he felt that it had been mismanaged by Yaho