Jan Henric Buettner (10 September 1964) [1] [2] is a German entrepreneur.
Born in Hamburg, Buettner studied business management there and did an internship at a precursor of Vodafone, then started his career as a trainee at Axel Springer AG, where he worked on interactive media. [2] [3] In 1995 he developed AOL Europe with Andreas von Blottnitz. He became head of AOL Germany, then in 1997 moved to the US, where he established a venture capital firm specialising in internet companies, BV Capital, as general partner for Bertelsmann. [2] [4] [5] In 2003 he and Blottnitz were awarded €203 million in damages by a California court for Bertelsmann's failure to pay them part of the proceeds from the sale of its share in AOL Europe; the amount was reduced to €160 million in an out-of-court agreement. [2] [3] [4]
In 2005 he bought a historic estate by the Baltic Sea for €7 million, [1] [3] [6] and converted the estate buildings and village into Grand Village Weissenhaus, a privately operated luxury resort which opened in 2014. [4] [7] [8] Some of the funding for the renovation and conversion was raised on the crowdfunding site Companisto.de, [7] [8] where it drew more investment than any other for-profit European organisation to that date. [9] [10] In 2024, Buettner organized a high profile chess tournament at his resort, the Freestyle Chess G.O.A.T. Challenge. [11] Buettner and five time world chess champion Magnus Carlsen announced in March, 2024 that the tournament would expand into a yearly series of events with increased prize funds. [12]
Buettner lives in Hamburg; his former wife and their children continue to live in Santa Barbara, California. [4]
The Bertelsmann SE & Co. KGaA, commonly known as Bertelsmann, is a German private multinational conglomerate corporation based in Gütersloh, North Rhine-Westphalia, Germany. It is one of the world's largest media conglomerates and is also active in the service sector and education.
Sven Magnus Øen Carlsen is a Norwegian chess grandmaster. He is a five-time World Chess Champion, the reigning five-time World Rapid Chess Champion, the reigning seven-time World Blitz Chess Champion, and the reigning Chess World Cup Champion. He has held the No. 1 position in the FIDE world chess rankings since 1 July 2011 and trails only Garry Kasparov in time spent as the highest-rated player in the world, while holding the record for longest consecutive reign. His peak rating of 2882 is the highest in history. He also holds the record for the longest unbeaten streak at an elite level in classical chess at 125 games.
RTL Group is a Luxembourg-based international media conglomerate, with another corporate centre in Cologne, North Rhine-Westphalia, Germany. The company operates 56 television channels and 36 radio stations in Germany, France and other European countries. It also offers national streaming platforms, content productions and a range of digital services. Important segments of RTL Group are RTL Deutschland, Groupe M6 and Fremantle.
Thomas Middelhoff is a German corporate manager. From 1994 to 1998, he was a member of the Executive Board of Bertelsmann AG, until he then served as CEO of the Bertelsmann media group from November 1998 to July 2002. In 2002, he was Head of Corporate Investments in Europe for Investcorp International Ltd until May 2005. From May 2005 to February 2009, Middelhoff then took over as Chairman of the Board of Management of the retail group Arcandor. After Arcandor, Thomas Middelhoff founded the investment company BLM in London with Roland Berger and Florian Lahnstein. The spin-off Pulse Capital Partners LLC emerged from this company.
Stefan Aust is a German journalist. He was the editor-in-chief of the weekly news magazine Der Spiegel from 1994 to February 2008 and has been the publisher of the conservative leading Die Welt newspaper since 2014 and the paper's editor until December 2016.
"Nikolaus" Storzenbecher or "Klaus" Störtebeker was reputed to be leader of a group of privateers known as the Victual Brothers. The Victual Brothers were originally hired during a war between Denmark and Sweden to fight the Danish and supply the besieged Swedish capital Stockholm with provisions. After the end of the war, the Victual Brothers continued to capture merchant vessels for their own account and named themselves "Likedeelers". Recent studies manifest that Störtebeker was not called "Klaus" but "Johann".
Jamiri is one of the most recognized comics artists in Germany.
Gruner + Jahr is a publishing house headquartered in Hamburg, Germany. The company was founded in 1965 by Richard Gruner, John Jahr, and Gerd Bucerius. From 1969 to 1973, Bertelsmann acquired a majority share in the company and gradually increased it over time. After 2014, the company was a fully owned subsidiary of the Gütersloh-based media and services group. Under the leadership and innovation strategy of Julia Jäkel, Gruner + Jahr evolved into a publishing house producing cross-channel media products for the digital society.
Jan Gustafsson is a German chess player. He was awarded the title Grandmaster by FIDE in 2003. He is a co-founder of Chess24.com, and regularly analyses and commentates games for the website.
Doris Gercke is a German writer of crime thrillers. She also works under the nom de plume Mary-Jo Morell.
The Heyne Verlag is a German publisher based in Munich, which was founded in Dresden in 1934 and sold to Axel Springer in 2000. In 2004 it became part of Random House. Heyne was one of the largest publishing houses in Germany in 1999.
Headline, formerly e.ventures and BV Capital, is a global and data-driven venture capital firm investing across stages and sectors, from Direct-to-consumer and Fintech, to Deep tech and Software. It was founded in 1998 in Santa Barbara, California and has since grown to invest in four different regions worldwide: United States, Europe, Asia and Latin America. The firm has its headquarters in San Francisco, California, with additional offices in Berlin and Hamburg, Germany; Paris, France; London, United Kingdom; Tokyo, Japan; Taipei, Taiwan and Sao Paulo, Brazil.
Axel Brauns is a German writer and filmmaker.
Schloss Weissenhaus is a schloss in Wangels in Schleswig-Holstein, Germany. It is next to the Baltic Sea and about 100 km away from Hamburg.
Jürgen Neffe is a German writer.
Gerhard Zwerenz was a German writer and politician. From 1994 until 1998 he was a member of the Bundestag for the Party of Democratic Socialism (PDS).
Jörg Dräger is a German physicist, non-partisan economic conservative politician and manager. From 2001 to 2008 he served as a senator in the Hamburg state government. From 2008 to 2021 he has been a member of the Bertelsmann Stiftung Executive Board where he is responsible for the areas of education and integration. Dräger is considered a leading education expert and is the author of numerous books on education policy, including the impacts of digitization.
Roland Gööck (1923–1991) was a German editor and non-fiction author who, from 1954, was in charge of the publishers, Bertelsmann.
Walther Killy was a German literary scholar who specialised in poetry, especially that of Friedrich Hölderlin and Georg Trakl. He taught at the Free University of Berlin, the Georg-August-Universität Göttingen, as founding rector of the University of Bremen, as visiting scholar at the University of California and Harvard University, and at the University of Bern. He became known as editor of literary encyclopedias, the Killy Literaturlexikon and the Deutsche Biographische Enzyklopädie.
The Freestyle Chess G.O.A.T. Challenge was an 8-player over-the-board classical Fischer random chess tournament that took place at Gut Weißenhaus in Wangels, Germany from February 9–16, 2024. It was the first major Fischer random chess tournament that used classical chess time controls.