I must say I hadn`t heard of Fr Barron at all until yesterday when a letter went out inviting the clergy, religious and catechists inviting us to a meeting in April introducing his `Catholicism` project. He is appearing at the Centre for Catholic Studies at Durham university on April 24th too. So I`ve been looking him up. Here he is on Youtube. I must say my initial reactions are rather favourable.
And the official introduction video to the Catholicism series: