Nadia Sirota, violist and radio host at Q2 Music in New York, hosts a podcast called Meet the Composer. She brings in a fairly wide variety of people at different stages of their careers, and all of the discussions and music are really well planned and rewarding.

http://www.wqxr.org/#!/programs/meet-composer/

https://itunes.apple.com/us/podcast/meet-the-composer/id891942714?mt=2