During his four decades in the start-up world, Bob Dorf has founded seven start-ups, invested and coached more than 20 start-ups.

FORBES: Live Blog: Find Your Customers

In the afternoon session, Bob Dorf offered more insights on developing venture ideas after the initial stage of getting out and talking to customers.

FORBES: Live Blog: Building A Start-up Is "Brutally Hard"

Every company has three things to do: find their customers, keep them, and grow them, said Bob Dorf to participants at the Boot Camp.

FORBES: Live Blog: Find Your Customers

The three-hour morning session by Bob Dorf was intense and thought-provoking.

FORBES: Live Blog: Participants Learned The Importance of Customers