Gary B. Hirsch is an independent Consultant and Creator of Learning Environments based in Wayland, Massachusetts. He specializes in applying system Dynamics to diverse areas of healthcare and human services. Mr. Hirsch received SB and SM degrees from MIT’s Sloan School of Management. His work has included health improvement strategies for regions, care of populations with health problems such as cardiovascular disease; HIV; diabetes; health system preparedness for major incidents, pandemics, and disasters; and strategies for public policy problems such as opioid addiction and youth homelessness. He is the author of three books and numerous journal articles, book chapters, and conference presentations. Mr. Hirsch is a member of the System Dynamics Society and a recipient of its Applications Award and the Asyst Applied Systems Thinking Award. He has also helped to create and lead a free clinic providing medical care for uninsured and underinsured people in the area West of Boston.