"Economic historian at Columbia University and guest on the podcast providing the core analysis."

"Guest on the episode; historian at Columbia University and author of 'Crashed'. Physically present and speaking."

"Guest on the episode, speaking from Davos; author of the Chartbook Substack and expert on European politics."

"European historian and Director of the European Institute at Columbia University; active panel participant."

"European historian and Director of European Institute at Columbia University; provides historical context on the 1920s."