Our Team

Co-Founder and Executive Director

Dr. Robin Reineke co-founded the Colibrí Center for Human Rights, building on nearly a decade of work at the Pima County Office of the Medical Examiner to support families of missing migrants. From Seattle, Washington, she received a B.A. in Anthropology from Bryn Mawr College in 2004, and a PhD from the University of Arizona School of Anthropology in 2016. In addition to her work with Colibrí, Dr. Reineke is Assistant Research Social Scientist in the Southwest Center at the University of Arizona, focusing on global and regional migration and human rights. Dr. Reineke was awarded the Institute for Policy Studies’ Letelier-Moffitt Human Rights Award and the Echoing Green Global Fellowship, both in 2014.

Selected Publications:

Missing Migrant Project and DNA Program Manager

Mirza Monterroso, originally from Guatemala, is a licenciada in Archeology and is currently finishing her M.A. in Forensic Sciences. She worked for several years in Mayan archaeology sites and caves in Guatemala, Belize, and México. In 2006, she began working as a forensic archeologist, digging clandestine graves created during the Guatemalan genocide. She has been an expert witness in cases of violations of human rights and crimes committed against the civil population. Mirza also taught several courses in forensic anthropology at the Universidad de Rafael Landívar and the Universidad de San Carlos in Guatemala. In 2016, she joined the Colibrí Center as the DNA Program Manager.

Missing Migrant Project Associate 

Arturo Magaña grew up in Somerton, Arizona and El Golfo de Santa Clara, Sonora, Mexico. He earned B.A.’s in both Urban Planning and Anthropology from Arizona State University. In 2017, he graduated with an M.A. in Cultural Anthropology from Northern Arizona University. For his master’s thesis, he wrote a book about fishermen who work in the Sea of Cortez. As Missing Migrant Project Associate, he works with families of the missing collecting missing persons reports and updating Colibrí’s database.


Family Network Director

Ben Clark was raised in Atlanta, Georgia. He graduated from Middlebury College, where he received his B.A. in History with minors in Sociology and Spanish. Growing up in the southeastern United States, Ben wrestled with questions of social (in)justice from a young age. His work, influenced by his upbringing, has focused on reckoning with divisive pasts to create more inclusive futures. He brings several years of experience in immigrant justice advocacy in the United States as well as in Argentina. In 2016, Ben received a Thomas J. Watson Fellowship, enabling him to spend a year living with and learning from communities around the world healing from periods of political violence and trauma. In late 2017, Ben joined the Colibrí team as Family Network Coordinator, working with families to develop programs that build community and support amongst those who have suffered a loss on the border.


In 2013, the Colibrí Center for Human Rights was co-founded by (left to right) Robin Reineke, Chelsea Halstead, Reyna Araibi, and William Masson. We are grateful to our incredible co-founders for the immense amount of hard work, passion, and commitment that went into building this organization. Thank you!