This report defines the essential elements of the HOPE strategy and defines additional recommended, but not essential, elements that enhance HOPE and ensure its success, and also describes in detail how the originating HOPE Probation strategy has evolved over 10 years of innovation and practice in Honolulu, Hawaii. The experience from Honolulu’s HOPE Probation provides an example for how other jurisdictions implementing HOPE can adjust and adapt to changing needs and make improvements to their own HOPE strategy over time.