Discussions to focus on economic opportunities and immigration challenges.
White House emphasizes U.S. commitment to supporting "good governance and democracy in Guatemala.
Immigration key component of discussions, focusing on factors driving "irregular migration.
Biden administration's "Root Causes Strategy" aims to address immigration drivers.
Meeting to include public and private-sector leaders as part of Central America Forward initiative.
Biden administration targets corruption in Guatemala as a factor in Central American immigration.
White House imposes punitive measures on former Guatemalan officials over corruption allegations.