Pretty interesting stats (as quoted from the article):

- 50-year-old startup founder is 2.2 times more likely to found a successful startup as a 30-year-old.

- 40-year-old startup founder is 2.1 times more likely to found a successful startup as a 25-year-old.

- 50-year-old startup founder is 2.8 times more likely to found a successful startup as a 25-year-old founder.

- 60-year-old startup founder is 3 times as likely to found a successful startup as a 30-year-old startup founder--and is 1.7 times as likely to found a startup that winds up in the top 0.1 percent of all companies.