Investing Profile

John O'Sullivan

InvestorVC
General Partner at Act Venture Capital
actventure.capitalIreland
Photo of John O'Sullivan, General Partner at Act Venture Capital
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Current Investing Position
Act Venture Capital General Partner
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
12
Current Fund Size
€487M

John O'Sullivan is on these Sector & Stage Rankings

John O'Sullivan's Investments On Record (7)

CompanyStageDateRound SizeTotal Raised
Good Travel Software
Series UnknownApr 2023
Deciphex
Series BMay 2022$12M
Series AJul 2020$6M
Series UnknownApr 2019$3M
$25M
Co-investors: Jennifer McMahon (Seroba Life Sciences)
PlasmaBound
Series UnknownMay 2022$2M
$2M
Engage-EHS
Series ADec 2019$2M
SeedAug 2015$830K
$2.8M
Worldnet Payments
Series AAug 2017
Series UnknownApr 2013
SiriusXT
SeedAug 2016$3M
$3M
Frontier Silicon
Series UnknownJan 2007$31M
Series UnknownFeb 2005$28M
$59M