Alex Karp, chief executive officer of Palantir Technologies, attends the annual Allen & Company Sun Valley Conference, July 12, 2018 in Sun Valley, Idaho.
Alex Karp told Axios he spends at least five hours a week cross-country skiing.
  • Palantir CEO Alex Karp is a fitness fanatic who skis for up to five hours a day.
  • Axios reported he has just 7% body fat – similar to Michael Phelps' at the 2008 Olympics.
  • Karp has been pictured at events in ski gear and sometimes exercises during interviews.

Alex Karp, the CEO and cofounder of data company Palantir, has just 7% body fat, Axios reported.