First look for an agency that is accredited. Then check out the agency with your state adoption licensing unit to see if there are any unresolved complaints. I've written a long list of what to look for in my book. Over time, trust will be a major issue. The international adoption trip is a marathon that calls for recuperation.
Energetic adults try to do too much too soon and exhaust themselves and confuse the child.
Learning to understand people as much as possible to determine their adoption needs. There seem to be sixteen basic personality types who adopt internationally. Beyond that, they are individuals who arrive at the decision to adopt for many reasons. Each of them handles their adoption process differently. As a professional, I must be attuned to those needs, and especially to the needs of orphans with whom they will be matched.