Brought me in for a whole day of interviews. 5 total parts, 2 sit down coding portions, 1 talking about general programming exp, 1 with a person talking about Athena and what they do, 1 with recruiting associate about HR things.

Very nice energetic people. Everyone seemed quite content with their jobs and seemed pretty intelligent. Don't try all the dumb "tricks" for interviews during the technical portions like asking questions about their daily responsibilities etc etc, gotta prove yourself technically first then chit chat after.