West Ham chief executive Scott Duxbury has resigned following the club's takeover by David Sullivan and David Gold last week.Sullivan and Gold bought a 50% stake in the Londoners and immediately brought in Karren Brady, with whom they worked at Birmingham City, as vice-chairman. [LNB]And Duxbury has now stepped down, saying: "I wish Mr Sullivan, Mr Gold and Karren great success. [LNB]"I know under their stewardship this wonderful club will prosper." [LNB]Duxbury joined West Ham as the club's in-house lawyer under former chairman Terry Brown, and was subsequently promoted to chief executive by chairman Eggert Magnusson after the club was bought by an Icelandic group. [LNB]Brady said: "We thank Scott for his valued contribution and wish him every success in the future."