HBI is an organization of passionate people. Our staff come from diverse backgrounds, but we are commonly bond by a belief that we can and will change the world through collaboration. To learn more about the HBI team and our dynamic staff – please see:
Dr. Wayne Centrone President
Wayne Centrone is a physician and public health professional who has dedicated his career to working with high risk and marginalized homeless and underserved populations around the world. After finishing a family practice residency, Wayne …
Dr. Robert Gehringer Medical Director
Dr. Gehringer comes to HBI with years of direct clinical experience as a pediatrician and a physician administrator; his work in developing countries spans many countries and multiple decades. Dr. Gehringer helps to act as a bridge to healthcare…
Benjamin Grass Director of Communications
Ben is an energetic self starter and a real asset to the HBI team. Ben brings years of volunteer experience in Latin America and a real passion for service. Ben currently works out of the Portland office of HBI to help with program coordination and to…
Karen Falkenstein Project Coordinator and Nursing Coordinator
Karen is a fantastic addition to the HBI Team. Her background in emergency department and oncology nursing gives her an uncanny ability to constantly balance bigger picture needs with day-to-day operational details. She currently splits time as a…
César Daniel Bueno Rojas Public Relations Consultant
Daniel is a long time consultant for HBI. He has helped to structure projects, develop special needs interventions and act as an in-country legal resource. Daniel also works as a lawyer focusing his efforts on underrepresented populations…
Carmen Elena Zavala Thompson Peru Project Coordinator
Carmen is the newest member of the HBI family. As an independent contract worker, Carmen is HBI’s in-country connection. Carmen grew up in Peru as a missionary kid and has traveled and volunteered around the world extensively, making her an invaluable resource to the HBI Family…
