Read the following paragraph and determine if the hypothesis is true:

Lewis Joseph "Dan" D’Antoni II (born July 9, 1947) is an Italian American former basketball player and current head coach for the Marshall Thundering Herd men's basketball team. He was previously an assistant coach under his younger brother, Mike D'Antoni, with the NBA's Phoenix Suns, New York Knicks, and Los Angeles Lakers.

Hypothesis: He has been a coach his whole career