Dionne O'Callaghan - Email & Phone Number

Roadshow & Marketing Coordinator, Global Team Leader at First

Dionne O'Callaghan is based out of London, England, United Kingdom and works at First as Roadshow & Marketing Coordinator, Global Team Leader.

Dionne O'Callaghan's Contact Information

Dionne O'Callaghan's Work email

d*****@firsta***.com

Valid

Latest update

October 28, 2025

Location

London, England, United Kingdom

Dionne's current employer

First

Description

We are FIRST: a global brand experience agency that helps the world's top brands tell their story and connect with people through unique ...

Website

firstagency.com

HQ Location

New York, New York, United States

Number of employees

501-1000

Industry

Events Services

Latest update

May 1, 2024

Read about First

Frequent questions about Dionne O'Callaghan

What company is Dionne O'Callaghan working for?

Dionne O'Callaghan works for First.

What is Dionne O'Callaghan's function at First?

Dionne O'Callaghan is Roadshow & Marketing Coordinator, Global Team Leader at First.

Where is Dionne O'Callaghan based?

Dionne O'Callaghan is based out of London, England, United Kingdom.

What is Dionne O'Callaghan's work email address?

Dionne O'Callaghan's professional email address is d*****@firsta***.com

Who are Dionne O'Callaghan's co-workers?

Dionne O'Callaghan's colleagues are Paul Walker, Maureen Fable, Barry Richards, Alexandra Meise, Eric Namaky, Marc Tyson, Michael Reese, Angelika Winiarz, Carla Clemente, Micah Mitcham, Debra Schwartzfarb, Nicholas Zacharias, Courtney Myers, Georgia Gallagher, Mike Drinkwalter, Tina Moon, Carly Lacayanga, Angela Abbott, Lili Weinstein, Madeline Burleson, Ray Kreman, Cassandra Posess, Isabella Stellar, Stephanie Krigsman, Rachel Simonson, Jeremy Woolf, Erika Osborn, Olivia Dobberson, Harry Theobald-Craig, Rosie Conde-Nieto, Camryn Pecore, Sam Sherman, Drew Gattuso.

Dionne's co-workers

Paul Walker

CEO

Maureen Fable

Group CEO / CEO - Americas

Production Coordinator & Producer

Marc Tyson

Studio Production Coordinator

Michael Reese

SVP, Production Strategy and Services

Angelika Winiarz

Event Coordinator | Clive @ Meta

Carla Clemente

Event Tech Coordinator

Micah Mitcham

Event Coordinator, FIRST at Bank of America

Debra Schwartzfarb

VP, Talent Acquisition Strategy & Solutions

Nicholas Zacharias

Svp business operations

Courtney Myers

Production Coordinator

Georgia Gallagher

Recruitment Coordinator

Mike Drinkwalter

VP, Client Services - Solutions

Tina Moon

People and Culture Coordinator

Carly Lacayanga

Event Technology Coordinator

Angela Abbott

Operations Coordinator

Lili Weinstein

Data Coordinator

Madeline Burleson

Junior Roadshow Coordinator

Ray Kreman

Production Coordinator

Cassandra Posess

Roadshow Coordinator at FIRST @ Goldman Sachs

Isabella Stellar

Event Technology Coordinator

Stephanie Krigsman

VP, Head of Account Operations, FIRST, supporting Google

Rachel Simonson

Roadshow Corporate Access Logistics Coordinator for FIRST at Goldman Sachs

Jeremy Woolf

Vice President, Internal Communications

Erika Osborn

Corporate Access Logistics Coordinator at Morgan Stanley

Olivia Dobberson

Project Coordinator

Harry Theobald-Craig

Event Technology Coordinator FIRST at Goldman Sachs

Rosie Conde-Nieto

Project Event Coordinator

Camryn Pecore

Data Coordinator

Sam Sherman

Vice President, Business Operations; Global Risk & Compliance Officer

Drew Gattuso

Vice President - Global Strategic Sourcing + Partnerships

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