Every year I seek help from many sources in preparing my annual 10 surprises list. My colleague Joe Zidle played an important role in this year’s Surprises and will be a major collaborator on the Surprises going forward. George Soros reviewed my ideas as he has since they began back in the 1980s. Gideon Rose and Dan Kurtz-Phelan of the Council on Foreign Relations gave me their thoughts on the geopolitical surprises. My Third Thursday group of former research directors provided their annual observations, and many friends and associates at Blackstone and elsewhere contributed their ideas. In the end, however, the surprises are mine, and I am accountable for the results. Now, here are my 10 surprises for 2019, which I will discuss in an upcoming essay.