Cassie O'Brien
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Cassie O'Brien Email & Phone Number

Chief of Staff, Office of the Regional Leader, Americas at Heidrick & Struggles
Location: Chicago, Illinois, United States 9 work roles 1 school
2 work emails found @heidrick.com 3 phones found area 203 and 416 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 3 phones

Work email c****@heidrick.com
Direct phone (203) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Chief of Staff, Office of the Regional Leader, Americas
Location
Chicago, Illinois, United States
Company size

Who is Cassie O'Brien? Overview

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Quick answer

Cassie O'Brien is listed as Chief of Staff, Office of the Regional Leader, Americas at Heidrick & Struggles, a company with 2079 employees, based in Chicago, Illinois, United States. AeroLeads shows a work email signal at heidrick.com, phone signal with area code 203, 416, and a matched LinkedIn profile for Cassie O'Brien.

Cassie O'Brien previously worked as Director, Corporate Communications, Global & Americas at Heidrick & Struggles and Senior Manager, Corporate Communications, Global & Americas at Heidrick & Struggles. Cassie O'Brien holds Bachelors Of Science, Media Studies, History from University Of Illinois Urbana-Champaign.

Company email context

Email format at Heidrick & Struggles

This section adds company-level context without repeating Cassie O'Brien's masked contact details.

{first_initial}{last}@heidrick.com
92% confidence

AeroLeads found 2 current-domain work email signals for Cassie O'Brien. Compare company email patterns before reaching out.

Profile bio

About Cassie O'Brien

My career has taken me in-house and agency-side, allowing me to develop a strong understanding of corporate and client services demands. Through roles across corporate communications, public relations, marketing, advertising and operations, I have honed my strategic thinking, planning, and organizational skills while practicing the agility required to succeed. My positive attitude and passion for people position me well to lead and contribute as part of a nimble, fast-paced team.

Listed skills include Media Relations, Strategic Communications, Communications Planning, Internal Communications, and 12 others.

Current workplace

Cassie O'Brien's current company

Company context helps verify the profile and gives searchers a useful next step.

Heidrick & Struggles
Heidrick & Struggles
Chief of Staff, Office of the Regional Leader, Americas
chicago, illinois, united states
Website
Employees
2079
AeroLeads page
9 roles

Cassie O'Brien work experience

A career timeline built from the work history available for this profile.

Chief Of Staff, Office Of The Regional Leader, Americas

Current

Chicago, Illinois, United States

Jan 2023 - Present

Director, Corporate Communications, Global & Americas

Chicago, Illinois, United States

Jan 2021 - Dec 2022

Senior Manager, Corporate Communications, Global & Americas

Chicago, IL

May 2019 - Jan 2021

Senior Account Executive

Chicago, Illinois, United States

Oct 2011 - Aug 2014

Communication Consultant

Greater Chicago Area

Feb 2009 - Aug 2011

Communication Specialist

Greater Chicago Area

Jun 2007 - Feb 2009

Communications Intern

Peoria, Illinois, United States

May 2006 - Aug 2006
Team & coworkers

Colleagues at Heidrick & Struggles

Other employees you can reach at heidrick.com. View company contacts for 2079 employees →

1 education record

Cassie O'Brien education

FAQ

Frequently asked questions about Cassie O'Brien

Quick answers generated from the profile data available on this page.

What company does Cassie O'Brien work for?

Cassie O'Brien works for Heidrick & Struggles.

What is Cassie O'Brien's role at Heidrick & Struggles?

Cassie O'Brien is listed as Chief of Staff, Office of the Regional Leader, Americas at Heidrick & Struggles.

What is Cassie O'Brien's email address?

AeroLeads has found 2 work email signals at @heidrick.com for Cassie O'Brien at Heidrick & Struggles.

What is Cassie O'Brien's phone number?

AeroLeads has found 3 phone signal(s) with area code 203, 416 for Cassie O'Brien at Heidrick & Struggles.

Where is Cassie O'Brien based?

Cassie O'Brien is based in Chicago, Illinois, United States while working with Heidrick & Struggles.

What companies has Cassie O'Brien worked for?

Cassie O'Brien has worked for Heidrick & Struggles, Bmo Financial Group, Edelman, Allstate Insurance Company, and Allstate.

Who are Cassie O'Brien's colleagues at Heidrick & Struggles?

Cassie O'Brien's colleagues at Heidrick & Struggles include Nadia Ostrovska, Ron Gerevas, Rafaela Teixeira, Susan Jaffe Baier, and 卢启奎.

How can I contact Cassie O'Brien?

You can use AeroLeads to view verified contact signals for Cassie O'Brien at Heidrick & Struggles, including work email, phone, and LinkedIn data when available.

What schools did Cassie O'Brien attend?

Cassie O'Brien holds Bachelors Of Science, Media Studies, History from University Of Illinois Urbana-Champaign.

What skills is Cassie O'Brien known for?

Cassie O'Brien is listed with skills including Media Relations, Strategic Communications, Communications Planning, Internal Communications, Public Relations, Corporate Communications, Social Media, and Press Releases.

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