Democrat Moon Jae-in is the new president of South Korea. The Conversation

Moon, a former special forces soldier turned human rights lawyer, won a snap election, following months of mass protests that ousted President Park Geun-hye last December.

The grace period for Moon will be short. Increasing regional tensions and demonstrations against corruption characterized the presidential race in Asia’s fourth-largest economy. During the campaign, Moon promised to address the systemic problems that led to Park’s impeachment, creating expectations that will define his administration.

Here’s what our years of studying Korean migration and security led us to see as the biggest challenges facing Moon.