Home - HubSpot Sales Enablement - How many customers do you need to interview in order to develop a high quality buyer persona? How many customers do you need to interview in order to develop a high quality buyer persona? 2shares Facebook Twitter Pinterest LinkedIn Skype Facebook MessengerQuestion: How many customers do you need to interview in order to develop a high quality buyer persona? About 15 One or two All of them Approximately 20% of your customer database The right answer was: About 15