# Tiago Gerstheimer

> Tiago Peter Gerstheimer is a Porto Alegre-based product designer and the founding designer at Hack The Box. His work spans cybersecurity learning interfaces, branding, design systems and account experiences. He also created the Hack The Box editor theme and built Themery, a tool for creating and exporting IDE themes.

- **Role:** Founding Designer at Hack The Box
- **Organizations:** Hack The Box, Themery, Keycap, Untitled, Publicis, ZACD Group LTD, Melewi, Konrad Group, Procempa
- **From:** Germany; city not publicly specified
- **Nationality:** Brazilian and Canadian; also reports European Union citizenship without specifying the member state
- **Education:** Bachelor in Graphic Design with emphasis in marketing, Escola Superior de Propaganda e Marketing (ESPM), Digital Futures studies, OCAD University, UX Certification, Nielsen Norman Group
- **Known for:** Established the design function at Hack The Box and built a team of four product designers, according to his project account., Led Hack The Box branding efforts from 2019 to 2021., Worked on Labs, CTF and Battlegrounds.

## Career timeline

- **1999** — Received a Game Boy, which he credits with starting his fascination with digital design.
- **2005-2010** — Created visuals for online forums.
- **2013** — Completed a UI/UX summer internship at Konrad Group.
- **2015-2018** — Worked as a UI/UX designer at Melewi, according to his personal career timeline.
- **2018-2019** — Worked as a senior product designer at ZACD Group LTD and advised Hack The Box.
- **2019** — Became founding product designer at Hack The Box.
- **2020** — Created the Hack The Box Visual Studio Code theme.
- **2020-2021** — Worked as a lead product designer for Publicis.
- **2023-2024** — Served as Head of Design at Untitled.
- **2023** — Began Core and design-system work at Hack The Box.
- **2024** — Lists founding product designer work at Keycap.
- **2026** — Built Themery and published a TypeScript theme compiler essay.

## Achievements

- Established the design function at Hack The Box and built a team of four product designers, according to his project account.
- Led Hack The Box branding efforts from 2019 to 2021.
- Worked on Labs, CTF and Battlegrounds.
- Describes delivering more than 100 design-system components with a team over two years.
- Describes complete product adoption of SSO within three months and a 22% increase in cross-platform engagement as team outcomes.
- Hack The Box said its Visual Studio Code theme was used by over 100,000 hackers in 2023.
- Listed as a Science Without Borders scholarship recipient assigned to OCAD University.

## Latest updates

- **2026-04** — Published Building a cross-IDE theme compiler in TypeScript on DEV Community and presented Themery.
- **2026-07** — His public LinkedIn profile lists Anthropic course completion certificates, including AI Fluency Framework & Foundations and Claude 101.

## Links

- Website: https://tiago.gg/
- LinkedIn: https://www.linkedin.com/in/8bit/
- GitHub: https://github.com/silofy

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Profile page: https://yespress.io/tiago-gerstheimer
Published by YesPress — https://yespress.io
Last updated: 2026-10-07