When was the skydiver born who Michael Gervais coached?
20 April 1969
Title: Felix Baumgartner
Passage: Felix Baumgartner (] ; born 20 April 1969) is an Austrian skydiver, daredevil and BASE jumper.  He is best known for jumping to Earth from a helium balloon in the stratosphere on 14 October 2012.  Doing so, he set world records for skydiving an estimated 39 km , reaching an estimated top speed of 1357.64 km/h , or Mach 1.25,
Title: Marcus Christensen
Passage: Marcus Christensen (born April 2, 1970) is a Canadian former competitive figure skater.  He is the 1988 Grand Prix International St. Gervais champion, the 1988 Nebelhorn Trophy silver medalist, the 1992 Prague Skate bronze medalist, and a three-time Canadian national medalist (silver in 1995, bronze in 1993 and 1996).  Christensen's highest ISU Championship placements were ninth at the 1988 Junior Worlds in Brisbane and tenth at the 1993 Worlds in Prague.  He was coached by Louis Stong, Marijane Stong, and Paul Martini.
Title: Michael Gervais
Passage: Dr. Michael Gervais (born 1971) is a sport psychologist and entrepreneur, best known for working with the NFL's Seattle Seahawks and being the high performance coach of Austrian skydiver Felix Baumgartner.
Michael Gervais Felix Baumgartner