The case studies
Jeff Deutsch is a Sydney, Australia Head of Growth for tech startups: Head of Growth at That's Heaps and at Hourglass AI, previously at Superpower, ContactOut and VIPKid. Each case study below lists the result, the work behind it and the independent sources for it.
- Superpower case study: 3k to 250k organic visitors a month: Apr 2025 to Jul 2026
- ContactOut case study: 9x revenue and growth toward 1.4m users: Head of Growth Sep 2020 to Mar 2022; VP of Growth Mar 2022 to Apr 2025
- VIPKid case study: teacher supply as VIPKid grew to 65,000 teachers: May 2017 to Apr 2019