Can The Chocolate King Save Eastern Europe?

The businessman Petro Poroshenko won Ukraine’s presidential election this week, and regional stability in Eastern Europe largely rests on his shoulders.

Poroshenko—who earned the moniker of “Chocolate King” thanks to his vast financial empire in the candy business—said his first priority would be to end the conflict in Eastern Ukraine and to strengthen ties with the European Union. But in a country where the smell of revolutionary revanchism is still in the air, will the tycoon-turned-politician be able to appease both international and domestic tensions?

TIME’s Editor Dan Stewart talks about the challenges ahead for the newly elected Ukrainian president.