Nifty After Fifty
News and Articles About Nifty After Fifty
'Don't listen to: 'You're too old to do this,' ' says entrepreneur Sheldon Zinberg. 'Go for it.'
'Being intuitively confident that you're right is the go-forward,' says entrepreneur Sheldon Zinberg.
The founder of a fitness center for 50-somethings shares his views on pioneering a new business concept. (02:42)