AT

Atlantic Bridge

VC
Palo Alto, CAWebsite
Stage

Seed, Series A

Check Size

$1.0M – $3.0M

AUM

$1.1B

Portfolio

38+ companies

Team

14 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

Transatlantic fund investing in enterprise software and technology companies with global ambitions.

How Atlantic Bridge invests

Atlantic Bridge is a vc firm based in Palo Alto, CA. The firm invests at the Seed, Series A stages, with a focus on Enterprise, Deep Tech, Security, SaaS, Developer Tools.

Atlantic Bridge typically writes checks of $1.0M–$3.0M per investment, backed by approximately $1.1B in assets under management.

Atlantic Bridge has backed 38 companies in our records, including Orca Security, Snyk, Workhuman.

Meet the Team

CO

Conor OSullivan

Investment Director

MY

Mélissa Yvonnou

Investment Director

DL

Dominik Leisi

Investment Manager

SO

Senan O'Mahony

Investment Manager

HN

Hema Nair

Senior Advisor

EC

Elaine Coughlan

Managing Partner

Deep Tech
HealthTech
Biotech
Quantum
KD

Kevin Dillon

Managing Partner

Software
Operations
Sales & Marketing
Growth Strategy
MH

Mark Horgan

General Partner & CFO

Growth Equity
Finance
Growth Tech Investments
PM

Paul Murray

Partner

Hardware
Semiconductors
Product Engineering
MY

Melissa Yvonnou

Investment Director

Software
Growth investments
Europe
CO

Conor O'Sullivan

Investment Director

University spin-outs
Early-stage ventures
Deep Tech
BL

Brian Long

Managing Partner

Semiconductors
Deep Tech
Technology Scale-ups
GM

Gerry Maguire

General Partner

Deep Tech
R&D Intensive Products
International Growth
DH

Dr. Helen McBreen

Partner

Early-stage deep tech
University spin-outs
HealthTech

Industry Focus

Invests In

Enterprise
Deep Tech
Security
SaaS
Developer Tools
Other

Portfolio Companies (38)

Other

OR

Orca Security

Cloud Security
SN

Snyk

Developer Security SaaS
WO

Workhuman

HR SaaS
EQ

Equal1

SA

SambaNova

VE

Vectra

NA

Navitas

ST

Striim

CA

Cambridge Mechatronics

MI

Mindgard

How to pitch Atlantic Bridge
  • Raising at Seed, Series A? You're squarely in their sweet spot.
  • Lead with your fit in Enterprise, Deep Tech, Security — the sectors they actively back.
  • Size your ask to their typical $1.0M – $3.0M check.
  • Address your outreach to a specific partner, such as Conor OSullivan, Investment Director.
  • A warm introduction beats a cold email. Get matched and request an intro.

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