Dr Girawong was the Level 1 base camp doctor for Seattle-based climbing firm Madison Mountaineering, with a focus on trauma.
Born in New Jersey, she studied at Rutgers University before specializing in mountaineering medication at the UK's University of Leicester and in the Scottish peaks. She completed her studies in trauma medicine at Chicago's John Stroger Hospital - one of the top emergency programs in the country.
Fredinburg, a program manager and engineer, used to photograph the world's high peaks for Google Maps. Fredinburg's ex, actress Sophia Bush (left), has paid tribute in an emotional statement calling him 'one of a kind'
Picture of Dr Marisa Eve Girawong
As a mountain climber, she scaled Mt Washington and Mt Rainer.
Fredinburg and other Google executives were climbing with the Everest adventure team Jagged Globe. The rest of his team sustained non life-threatening injuries.