does he have other profession other than being a singer?
He regularly flew Boeing 757s in his role as captain for the now-defunct UK charter airline Astraeus
Bruce Dickinson
 He regularly flew Boeing 757s in his role as captain for the now-defunct UK charter airline Astraeus, which, from 16 September 2010, employed him as Marketing Director.
who is the lead singer for iron maiden Paul Bruce Dickinson
wiki:19851456
Bruce Dickinson [SEP] Aviation and entrepreneurship
Dickinson learned to fly recreationally in Florida in the 1990s and now holds an airline transport pilot's licence. He regularly flew Boeing 757s in his role as captain for the now-defunct UK charter airline Astraeus, which, from 16 September 2010, employed him as Marketing Director. One of his key roles in that position was to promote Astraeus' services by increasing their number of videos, leading to the UK Civil Aviation Authority releasing a video featuring Dickinson on aircraft loading safety in June 2011. Following Astraeus' closure on 21 November 2011, Dickinson branched into entrepreneurship when he launched Cardiff Aviation Ltd on 1 May 2012, an aircraft maintenance business based at the Twin Peaks Hangar in St Athan, Vale of Glamorgan, Wales.