NEW : Deceased climber Ben Horne `` will inspire me forever , '' his sister says . Weiss -- founder of Beyond Adventure , a company consisting of professional guides , logistical experts and photographers -- posted June 11 on his Facebook page that he was leaving Boulder , Colorado , for Peru `` for another season in the High Andes . '' He and Gil Weiss had been climbing in the Mount Everest and were missing for June 11 . Hundreds looked through satellite images for clues , while crews searched on the ground . A friend calls them `` Hundreds of the most amazing guys '' he has ever spent time with .
NEW : Deceased climber Ben Horne `` will inspire me forever , '' his sister says . He and Gil Weiss had been climbing in the Mount Everest and were missing for June 11 . Hundreds looked through satellite images for clues , while crews searched on the ground . A friend calls them `` Hundreds of the most amazing guys '' he has ever spent time with .