About this episode

Jim Fruchterman speaks with Tracy DeTomasi about Callisto's technology for supporting survivors of sexual assault.

CONTENT WARNING: This episode makes reference to sexual assault. In this episode, Jim speaks with Tracy DeTomasi , CEO of Callisto , a nonprofit using secure technology to connect survivors of sexual assault and expose serial perpetrators. Tracy, a licensed clinical social worker, explains how Callisto's end-to-end encrypted platform lets survivors safely discover if their assailant has harmed others — and why confidentiality, trust, and survivor choice are at the core of its design. Full transcript: https://techmatters.org/callisto-helping-assault-survivors TRACY DE TOMASI (CEO) Tracy De Tomasi has over 20 years of experience in leadership with deep expertise in gender-based violence, having developed trauma-informed programs, changed domestic violence laws in the U.S., and led global projects supporting survivors. She has helped organizations design technology-driven tools for prevention and education, from mobile apps and safety devices to VR trainings on DEI and anti-harassment. RATE, LIKE, SUBSCRIBE If you like what you hear, give us a like, rating or review on any platform! STAY IN TOUCH Write us a note at podcast@techmatters.org or follow us on LinkedIn.

People in this episode

Host: Jim Fruchterman

Guest: Tracy DeTomasi

Topics covered

• sexual assault
• survivor support
• nonprofit technology
• confidentiality
• trust
• gender-based violence

Keywords

• sexual assault
• survivors
• Callisto
• technology
• confidentiality
• trust
• gender-based violence
• nonprofit

Mentioned in this episode

Organizations: Callisto, techmatters.org

More episodes of Tech Matters

• Season Three Wrap-Up: Choosing Our AI Future · February 18, 2026 · 18 min
• More Than a Message: Debbie Rogers of Reach Digital Health · February 4, 2026 · 51 min
• Design as a Lifeline, Jonathan McKay on Supporting LGBTQI+ Youth with SameSame · January 21, 2026 · 50 min
• The Farmer-to-Farmer Playbook, with Rikin Gandhi of Digital Green · January 7, 2026 · 45 min
• Helplines Reimagined, with Dee Luo and Nick Hurlburt of Aselo [added commentary] · December 17, 2025 · 33 min
• Decolonizing Drones, with Sonja Betschart of WeRobotics · December 3, 2025 · 41 min

Explore listener stats, chart rankings, contacts and more on the Tech Matters podcast page.