Please remove age, gender, ethnicity, location from your personas. None of these things cause behavior/thinking. But they cause assumptions.
Great to see UX leaders saying this w/in their orgs: "Not having a deep and empathetic understanding of users is a high-risk business model"
Etymologically, when you say "data driven," you've given up human control. Switch to "data informed." Wise idea from @shawndavis17
If all human creative power & energy is set free from the cages of hierarchy & fear, we could do wonderful things as a species.