According to the Evening Standard, Rob Williams, founder of online music equipment retailer Dolphin Music, went missing with friend Jason Tavaria while on a holiday with Michelle Dewberry, the winner of the second series of TV's The Apprentice.
The two both 29 got lost in the midst of terrible blizzard which grounded helicopters and other rescue operations.
Mr. Tavaria managed to get the co-ordinates of his location using the iPhone's GPS and relay it to rescuers. He was found in good health six hours later.
In an attempt to located Mr. Williams messages were posted on Twitter asking for his mobile phone number.
Michelle Dewberry posted saying: 2 of our ski party been missing since 4pm. Conditions terrible. 1 guy found but trapped. 20 man team searching for other.
Another entrepreneur, Alex Hoye, wrote: Urgent: If anyone has or knows Rob Williams of Dolphin Music's mobile, please send. Mtn rescue in progress.
Successfully receiving Mr. Williams mobile number, Alex Hoye wrote, Rob's number rec'd via Twitter; Jason now found using GPS / Google maps & phone (@joshmarch org'd); still working on finding Rob.
Tragically, Mr Williams's body was discovered by search teams late last night shortly after they found his mobile phone. Local police confirmed that he had fallen 66 feet onto a bed of rocks.