
Atrium
An AI chief of staff that manages your inbox and professional relationships.
Private company- Sector
- AI
- Invested
- Aug 2025
Atrium is an AI-powered relationship manager for investors, founders and executives who manage large networks. It connects to email and other communication channels, enriches contacts automatically, prioritises the inbox by who matters, prepares briefings before meetings and drafts replies, introductions and follow-ups for the user to approve.
The company was founded by Kevin Lu, a former investor at Australian venture firm Airtree, with co-founders Daniel Lum and Gerry Lu. In December 2025 it announced a $1.3 million pre-seed round from Airtree and TEN13 alongside US and Australian angel investors.
As of 2026 Atrium is offering early access to its product.
As of 29 Sep 2026
Why I own it
I think everyone will have an AI chief of staff. Atrium manages the inbox, prepares for meetings and keeps track of relationships.
The value compounds. The more it learns about your work and the people who matter to you, the more useful it becomes, and the harder it is to leave.
Then · Aug 2025
Since I invested
- Held for
- 1 year, 2 months
- Status
- Active
Thesis check since 29 Sep 2026
Nothing yet that bears on it (1 item checked)
Checked against the thesis by Jev, an AI model. Can be wrong.

