Dr. Patt Denning has been a leading harm reduction advocate for over 30 years. A co-founder of the Harm Reduction Therapy Center (HRTC) in Oakland/San Francisco, she is also a highly influential author. [...] Denning and Little have educated thousands of people in the US and abroad through HRTC’s workshops. During the pandemic, HRTC parked its van at mobile drop-in sites, COVID-19 shelter-in-place hotels and COVID-19 Safe Camping Sites—providing free therapy, hot food and bottled water to the city’s most vulnerable residents. In a few months, they will open a new harm reduction-based drop-in center in San Francisco. [...]