Twitter attempts to get its groove back by reinstating ousted founder

Jack Dorsey is back on top at Twitter but he has another company to run as well

Read for free this Sunday Business Post profile of Twitter founder Jack Dorsey as he juggles the floundering microblogging site with an IPO of his payments platform Square

Factfile

Age: 38

Occupation: chief executive of Twitter and Square

Appearance: over-caffeinated hipster tech-bro

Newsworthiness: has just returned to Twitter to try and save the company he founded

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Jack Dorsey is busy. Very, very busy. He was ousted from the position of chief executive ...