A technical consultant who worked 9 to 5, he felt all the kids should be doing more than what they were doing (in terms of developmentally appropriate things like drinking from cups and wiping their own bottoms).
When communicating with a defiant Eden during Observation, he kept insisting that she look into his eyes ("What color are my eyes? Look at my eyes. LOOK AT MY EYES"), which Jo found weird and ineffective.
He was 29 years old in 2007 and is now 39 in 2017.