Charles Coleman Finlay has been named editor of F&SF, beginning with the March-April 2015 issue. Finlay is well known as an author, and guest-edited an issue of the magazine in 2014. He takes over from Gordon Van Gelder, who will remain publisher.
Finlay has more details on his blog at http://www.ccfinlay.com/blog/the-new-editor-of-fsf.html (including a link to the electronic submissions form!)