The president of a San Francisco green technology company, 37-year-old Tyler A. Palmer, was killed when he apparently slammed into a tree while skiing in Lake Tahoe Sunday.

Placer County Sheriff Department officials said Tyler A. Palmer's body was discovered by passing skiers on a black diamond run at Homewood Ski Resort, called the Hobbit Land run. He was found at about 1:50 p.m., sheriff's officials reported.

Medics attempted to revive Palmer, but hewas pronounced dead on the hill at 2:28 p.m., sheriff's officials reported.

Sheriff's deputies, at this point, believe Palmer's death was an accident. An autopsy is pending.

Palmer was founder and president of Green Mountain Engineering and served on the San Francisco Clean Technology Advisory Council.

Witnesses to the accident and anyone with information are asked to call the Placer County Sheriff Department at (530) 581-6330.

— Examiner.com staff and Bay City News contributed to this report