<Li> Walter Kennedy, President from 1963 to 1967 and Commissioner from 1967 to 1975 </Li> <Li> Larry O'Brien, Commissioner from 1975 to 1984 </Li> <Li> David Stern, Commissioner from 1984 to 2014 </Li> <Li> Adam Silver, Commissioner from 2014 to present </Li>

Who has been on the most teams in the nba