Install exec-path-from-shell to get /Users/chimpymike/.rvm/gems/ruby-2.1.1/bin:/Users/chimpymike/.rvm/gems/ruby-2.1.1@global/bin:/Users/chimpymike/.rvm/rubies/ruby-2.1.1/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/texbin:/Users/chimpymike/.rvm/bin:/Users/chimpymike/.rvm/bin from the shell on OS X.