# Aroosh Thillainathan

> Aroosh Thillainathan is the founder and former CEO of Northern Data Group. Originally from Hanau and professionally based in Frankfurt, he founded Whinstone Group in 2014, became Northern Data CEO in 2020, and led its expansion from Bitcoin infrastructure into GPU cloud services and AI data centers. He left the management board on June 17, 2026; his public LinkedIn profile now lists a stealth startup.

- **Role:** Stealth startup (listed on public LinkedIn profile; title undisclosed)
- **Organizations:** Whinstone Group, Northern Data Group, ART Beteiligungs Management GmbH, Stealth Startup (unnamed)
- **From:** Hanau, Germany
- **Known for:** Founded Whinstone Group in 2014., Led Northern Data as CEO from 2020 through its transition toward AI infrastructure., Oversaw the company during the completed 2021 Whinstone US disposal.

## Career timeline

- **2013** — Began focusing on high-performance computing.
- **2014** — Founded Whinstone Group and led it as managing director.
- **2020** — Became CEO of Northern Data following the Northern Bitcoin and Whinstone combination.
- **2021** — Northern Data completed the sale of Whinstone US to Riot Blockchain in May.
- **2023** — Northern Data introduced Taiga Cloud, Ardent Data Centers and Peak Mining as divisional brands.
- **2024** — Northern Data launched an AI accelerator; Thillainathan led a workshop for founders.
- **2024-08** — Announced a standing order for up to €10 million of additional Northern Data shares through his family office.
- **2025-04** — Northern Data announced its Gcore partnership.
- **2025-09** — John Hoffman became co-CEO alongside Thillainathan.
- **2026-06-17** — Left Northern Data’s management board by mutual agreement.

## Achievements

- Founded Whinstone Group in 2014.
- Led Northern Data as CEO from 2020 through its transition toward AI infrastructure.
- Oversaw the company during the completed 2021 Whinstone US disposal.
- Supported the launch of the 2024 AI accelerator and personally led a founders workshop.
- Hosted an NVIDIA GTC 2025 on-demand startup-scaling panel.

## Latest updates

- **2026-06** — Resigned from Northern Data’s management board effective June 17; executive service agreement ended by mutual consent.
- **2025-09** — Began sharing CEO responsibilities with John Hoffman.
- **2025-04** — Northern Data announced a strategic Gcore partnership.

## Links

- LinkedIn: https://www.linkedin.com/in/aroosh-thillainathan
- Twitter/X: https://twitter.com/Aroosh_ND

---

Profile page: https://yespress.io/aroosh-thillainathan
Published by YesPress — https://yespress.io
Last updated: 2026-10-26