Jennifer Garner 'Casually Dating' CEO John Miller, Says Source: 'He Hasn't Met Her Kids'

Jennifer Garner is dating CaliGroup CEO John Miller, a source tells PEOPLE.
“They are casually dating but it’s not serious. He hasn’t met her kids,” the source adds. 
Garner, 46, shares Violet, 12, Seraphina, 9, and Samuel, 6 with ex husband Ben Affleck. The news comes shortly after Garner and Affleck finalized their divorce three years after announcing they were ending their 10-year marriage in June 2015. The former couple began dating in 2004 an