Investing Profile

John O'Sullivan

InvestorVC

General Partner at Act Venture Capital

actventure.capitalIreland

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Networks John is a member of

Hotmail Network

4900 CONNECTIONS

Hotmail Network

4900 CONNECTIONS

Enterprise Ireland Network

13 CONNECTIONS

Find John O'Sullivan on

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Current Investing Position

Act Venture Capital General Partner

Investment Range

$100K - $5.0M

Sweet Spot

$1.5M

Investments On Record

14

Current Fund Size

€487M

John O'Sullivan is on these Sector & Stage Rankings

Payments (Seed)Payments (Series A)Manufacturing (Series A)Manufacturing (Seed)Semiconductors (Series A)Semiconductors (Seed)AI (Seed)AI (Series A)

John O'Sullivan's Investments On Record (8)

Company	StageDateRound Size	Total Raised
Deciphex	Series CJan 2025$32M Series BMay 2022$12M Series AJul 2020$6M Series UnknownApr 2019$3M	$57M
Co-investors: Jennifer McMahon (Seroba Life Sciences), Inga Deakin (Molten Ventures)
Good Travel Software	Series UnknownApr 2023
PlasmaBound	Series UnknownMay 2022$2M	$2M
Engage-EHS	Series ADec 2019$2M SeedAug 2015$1M	$3M
Worldnet Payments	Series AAug 2017 Series UnknownApr 2013
SilverCloud Health	Series AJan 2017$8M	$24M
Co-investors: Raj Ganguly (B Capital Group), Eduardo Saverin (Binhai Venture Capital (Tianjin Binhai VC Investment Management Co., Ltd.))
SiriusXT	SeedAug 2016$3M	$3M
Frontier Silicon	Series UnknownJan 2007$31M Series UnknownFeb 2005$28M	$59M

John O'Sullivan's Media (1)

Act Venture Capital unveils new €140m fund to back tech companies

www.irishtimes.com

John O'Sullivan's Experience

Sales Operations Specialist HotmailPresent

Sales Operations Specialist MisysPresent

Industry Specialist Enterprise IrelandPresent

Investment Associate Act Venture CapitalPresent

Non Executive Director HotmailPresent

Investment Director Act Venture CapitalPresent

Non Executive Director AGI Therapeutics plcPresent

Non Executive Director S3 Connected HealthPresent

Board Observer StoryfulPresent

Board Member Knowledge Transfer Ireland (KTI)Present

Board Observer Sláinte HealthcarePresent

Board Member EMBOPresent

Board Observer ScurriPresent

Board Observer DIGIT, a Scopely StudioPresent

Board Observer CesantaPresent

Non Executive Director SilverCloud® by AmwellPresent

Board Observer beqomPresent

Board Observer Swrve (a MessageGears company)Present

Board Observer ToothpicPresent

Non Executive Director VideoElephantPresent

Board Observer DeciphexPresent

General Partner Act Venture CapitalPresent

John O'Sullivan's Education

University College Cork Bachelor's degree Business/Commerce, General

Investors who invest with John O'Sullivan

Act Venture Capital

Act Venture Capital

Act Venture Capital

Act Venture Capital

Molten Ventures

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