TO : Friend : ' ` ` Tony '' ' was ` ` an uplifting person '' who loved the backcountry . NEW : Vail 's mayor laments ` ` an incomprehensible loss '' to the owners , the Seiberts . Seibert dies in East Vail Chutes ; 3 people were rescued with minor injuries . The lone victim is a grandson of Peter Seibert Sr . , a co - founder of the Vail ski area .
NEW : Friend : Anthony `` Tony '' Seibert was `` an uplifting person '' who loved the backcountry . NEW : Vail 's COO laments `` an incomprehensible loss '' to the community , the Seiberts . Seibert dies in East Vail Chutes ; 3 people were rescued with minor injuries . The lone victim is a grandson of Peter Seibert Sr. , a co-founder of the Vail ski resort .