Consortium for North American Higher Education Collaboration is a network of more than 160 higher education institutions and organisations primarily from Canada, the US and Mexico.

Previously, Marmolejo was an American Council on Education Fellow at the University of Massachusetts-Amherst. His past positions include vice president for administration and academic vice president at the University of the Americas in Mexico.

Marmolejo has been part of the Organisation for Economic Co-operation and Development (OECD) and World Bank peer review teams conducting evaluations of higher education in Europe, Latin America, the Middle East, Africa and Asia.

Marmolejo holds an MA in Organizational Administration from the Autonomous University of San Luis Potosí, and has conducted doctoral work at the National Autonomous University of Mexico (UNAM).