August Callsen
Co-founder and CEO of TroisPommes Home, building oOto.group with Thomas Vagalis. Design-led e-commerce brands for a global market.
About
August Callsen is a Danish entrepreneur based in Copenhagen and co-founder and CEO of the outdoor-furniture company TroisPommes Home. In 2026 he was named to the Forbes 30 Under 30 Europe list in Retail & E-commerce, and TroisPommes Home won two iF Design Awards 2026.
He met co-founder Thomas Vagalis at Seedster in 2024. August is the creative half of the partnership, leading product development and marketing, while Thomas, as COO, runs structure, process optimisation and data. Together they built and sold two e-commerce brands in under a year: Glàscy and Moduri.
Their next step is oOto.group (“Out of the Ordinary”), an international brand group that invests in, advises and builds brands with ambitious founders and creators.
Ventures
TroisPommes Home
Design-led, modular, weather-resistant outdoor lounge furniture with vacuum-compressed shipping, sold across 30 European countries.
troispommeshome.com →oOto.group
Short for “Out of the Ordinary” — an international brand group that invests in, advises and builds brands together with ambitious founders and creators. Built together with Thomas Vagalis.
ooto.group →Exits: Glàscy & Moduri
Glàscy, a Korean at-home skincare brand, and Moduri, modular sofas with a focus on functional design, were both sold within a year, via the marketplace Saxis.
Read the Saxis interview →Featured
- Forbes 30 Under 30 Europe 2026 — Retail & E-commerce
- iF Design — From award winners to Forbes 30 Under 30
- Saxis — Two companies sold in under a year
- Seedster — They met at Seedster in 2024. Now they are on the Forbes list.
- All press & mentions →
Together with Thomas Vagalis
- thomasvagalis.com — Co-founder & COO, TroisPommes Home
- Seedster 11.0 mentors — 9 March 2027, 09:00–09:50