Steen Andersson
About Steen Andersson
Steen Andersson is a product leader based in Sydney. His LinkedIn summary says he began his career in the 1990s building internet businesses in communications and gaming. Microsoft later acquired his startup, and he moved to the US, where he spent nine years building startups in the San Francisco Bay Area.
After the sale of his US mobile commerce startup, he joined Google to work on the enterprise offering of Google Drive. He then joined Atlassian, where Crunchbase lists him as Head of Product Management from February 2017. His LinkedIn summary says he helped the founders move the Atlassian product suite to the cloud.
His LinkedIn summary also lists a role as VP of Product at Immutable, a blockchain gaming company. Press coverage in January 2026 describes him as chief product officer at Tyro Payments. Crunchbase lists a degree in electrical engineering from the University of New South Wales (1996).
The only angel investment we could confirm is Dam Secure's seed round in January 2026. Crunchbase shows one personal investment for him. He was one of several angels in the round, and Paladin Capital Group led it. We found no public record of earlier angel investments, so none are listed here.
Dam Secure is a Sydney-based AI security startup founded by Patrick Collins and Simon Harloff. It builds a platform to manage the security risks created by AI coding tools. Customers write security requirements in plain English, and the platform enforces them across large code bases.
The seed round was A$6.1M (about US$4M) and was announced in January 2026. Other individual backers named in press coverage include Pieter Danhieux of Secure Code Warrior, Anthony Woodward of RecordPoint and Phaedon Stough of Innovation Bay.
With one confirmed deal, we can't describe a stated thesis. That deal was a seed-stage round in AI security tooling for developers, in an Australian company with a US presence. His operating background is in product management, developer and collaboration software, mobile commerce and payments. We found no public statements from him on check size, stage or what he looks for in founders.
- Dam Secure: AI-native platform that enforces security requirements across code bases written with AI coding tools. He joined the A$6.1M seed round in January 2026.
Investing activity
Steen Andersson appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $4M. The most recent is Dam Secure (Seed, $4.1M (AUD 6.1M), Jan 2026).
Steen Andersson most often invests alongside D.C, Paladin’s core strength is identifying, Paladin Capital Group and Silicon Valley, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Steen Andersson
Who is Steen Andersson?
He is a Sydney-based product executive who has worked at Google and Atlassian. Press in January 2026 describes him as chief product officer at Tyro Payments.
What AI startups has Steen Andersson invested in?
The only public AI investment we found is Dam Secure, an AI security startup, in its seed round announced in January 2026.
What is Steen Andersson's check size?
His check size is not public. He did not disclose his amount in the Dam Secure round.
What stage does Steen Andersson invest in?
His one confirmed deal is a seed round. He has not published a stage focus.
Does Steen Andersson lead rounds?
There is no public evidence that he does. In the Dam Secure round, Paladin Capital Group led and he was one of several individual backers.
How can founders contact Steen Andersson?
His public profiles are on LinkedIn and X. Founders with a product or developer tools angle in AI may find a relevant connection through his background, but he has not published pitch guidelines.
Is Steen Andersson an angel investor?
Yes. Steen Andersson invests personally as an angel.
What AI companies has Steen Andersson invested in?
Steen Andersson's AI investments include Dam Secure. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Steen Andersson invest at?
In the rounds tracked on Lounge, Steen Andersson has invested at Seed, with a median round of $4M.
Who does Steen Andersson co-invest with?
Steen Andersson's most frequent co-investors on Lounge are D.C (1 deal), Paladin’s core strength is identifying (1 deal), Paladin Capital Group (1 deal), Silicon Valley (1 deal) and Phaedon Stough (1 deal).