The Institute for Healthcare Optimization (IHO) is a nonprofit organization based in Bedford, Massachusetts, founded in 2009 with a mission to transform healthcare delivery through scientifically grounded operations management. Originating from the Boston University Program for the Management of Variability in Healthcare Delivery, IHO specializes in applying advanced methodologies such as queuing theory, simulation, and lean management to optimize patient flow, reduce artificial variability, and improve hospital capacity planning. At the core of their work is the IHO Variability Methodology