I worked in the Hospitality industry, waiter, barman, roomservice (Hilton Hotels) while a student, studied chem eng, elect eng and then Bible College. Finally finished Nuclear Medicine Technology. Now I run (GM) 3 businesses - Labsupply Australia- A laboratory and scientific supply company specialising in interchangeable glassware (we manufacture our own equipment)- Fantasy Glass - glass adult toys (glass dildo's!!!) and Sydney Glassblowing College (teaching basic recreational glass blowing techniques).
Besides, I have lots of other other interesting business idea's - some of them astronomical!!!