Investing Profile

Arthur Kosten

Angel
Photo of Arthur Kosten, Angel

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Angel
$200K - $1M
$200K
12
CompanyStageDateRound SizeTotal Raised
Knowunity
Series BJun 2025$31M
$54M
€10M
Co-investors: Anton Waitz (Project A Ventures), Mario Götze (Unknown Ventures), Stefan Jeschonnek (Verbit.ai), Chris Hitchen (Possible Ventures), Gabbi Cahane (anotherblock), Verena Pausder
Cruisebound
Pre SeedSep 2021$3M
$38M
Co-investors: Steve Singh (Madrona Ventures), Andrew Padilla (Alumni Ventures ), Steve Kaufer (Unknown Ventures), Chris Hemmeter (Thayer Ventures), Al Goldstein, Scott Hintz
Preply
Series BMar 2021$35M
Series AMar 2020$10M
SeedJul 2018$4M
SeedJun 2016$1M
$290M
Co-investors: Gary Swart (Polaris Partners), Pawel Chudzinski (Point Nine Capital), Kolja Hebenstreit (Point Nine Capital), Przemek Gacek (Market One Capital), Litzie Maarek (Educapital), Przemyslaw Gacek (Market One Capital), Ross Darwin (Owl Ventures), Tory Patterson (Owl Ventures), Rob Kniaz (Hoxton Ventures), James Kim (Reach Capital), Allen Mask (CōLab), Stephan Morais (Índico Capital Partners), Semyon Dukach (One Way Ventures), David Helgason (Nordic Makers), Daniel Hoffer (Autotech Ventures)
Detail
Pre SeedMar 2021$2M
$7M
Co-investors: Nathan Benaich (Air Street Capital), Vinay Hiremath (LOOM), Shahed Khan (HyperChain Capital), David Rosenberg (Notion Capital), Märt Kelder (Bolt), Janis Krums (Change Ventures), Alexander Ljung (Dance), Othman Laraki (Frontier Medicines), Pietro Bezza (Connect Ventures), Elodie Jamous (Stromedix Inc.), Tony Jamous
Hubs
Series CMar 2019$20M
$27M
Co-investors: James Wise (Balderton Capital)
Deskbookers
SeedAug 2017$750K
SeedSep 2016$900K
SeedDec 2015$2M
$3.7M
8fit
SeedAug 2015$3M
$3M
Co-investors: Elies Campo (Angel investor)
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