Chief Of Staff, Office Of The Regional Leader, Americas
Current
Jan 2023 - Present
AeroLeads people directory · profile
Cassie O'Brien Email & Phone Number
Chief of Staff, Office of the Regional Leader, Americas
at
Heidrick & Struggles
2 work emails found
@heidrick.com
3 phones found area 203 and 416
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
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
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Cassie O'Brien is listed as Chief of Staff, Office of the Regional Leader, Americas at Heidrick & Struggles, a 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
9 roles
Cassie O'Brien work experience
A career timeline built from the work history available for this profile.
Director, Corporate Communications, Global & Americas
Jan 2021 - Dec 2022
Senior Manager, Corporate Communications, Global & Americas
May 2019 - Jan 2021
Marketing Manager
Aug 2014 - May 2019
Senior Account Executive
Oct 2011 - Aug 2014
Senior Consultant
Aug 2011 - Oct 2011
Communication Consultant
Feb 2009 - Aug 2011
Communication Specialist
Jun 2007 - Feb 2009
Communications Intern
May 2006 - Aug 2006
Team & coworkers
Colleagues at Heidrick & Struggles
Other employees you can reach at heidrick.com. View company contacts for 2079 employees →
MH
Mahfuz Hassan
Colleague at Heidrick & StrugglesSouth Delhi, Delhi, India
View →
SP
Shikha Pahwa
Colleague at Heidrick & StrugglesSouth Delhi, Delhi, India
View →
MN
Marty Nass
Colleague at Heidrick & StrugglesUnited States
View →
CD
Christian Do Rosario Jr, Msc
Colleague at Heidrick & StrugglesGreater Tampa Bay Area, United States
View →
KN
Kana Nayak
Colleague at Heidrick & StrugglesOdisha, India
View →
ZE
Zach Erwin
Colleague at Heidrick & StrugglesNew York, United States
View →
DH
Danielle Harris
Colleague at Heidrick & StrugglesDallas, Texas, United States
View →
GZ
Gabriel Zucco Campos
Colleague at Heidrick & StrugglesSão Paulo, Brazil
View →
RA
Raeesa Anjum
Colleague at Heidrick & StrugglesUnited Kingdom
View →
HH
Hanna Hein
Colleague at Heidrick & StrugglesHelsinki, Uusimaa, Finland
View →
Mahfuz Hassan
Colleague at Heidrick & StrugglesSouth Delhi, Delhi, India
View →
SP
Shikha Pahwa
Colleague at Heidrick & StrugglesSouth Delhi, Delhi, India
View →
MN
Marty Nass
Colleague at Heidrick & StrugglesUnited States
View →
CD
Christian Do Rosario Jr, Msc
Colleague at Heidrick & StrugglesGreater Tampa Bay Area, United States
View →
KN
Kana Nayak
Colleague at Heidrick & StrugglesOdisha, India
View →
ZE
Zach Erwin
Colleague at Heidrick & StrugglesNew York, United States
View →
DH
Danielle Harris
Colleague at Heidrick & StrugglesDallas, Texas, United States
View →
GZ
Gabriel Zucco Campos
Colleague at Heidrick & StrugglesSão Paulo, Brazil
View →
RA
Raeesa Anjum
Colleague at Heidrick & StrugglesUnited Kingdom
View →
HH
Hanna Hein
Colleague at Heidrick & StrugglesHelsinki, Uusimaa, Finland
View →
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 Mahfuz Hassan, Shikha Pahwa, Marty Nass, Christian Do Rosario Jr, Msc, and Kana Nayak.
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.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the Cassie O'Brien you were looking for.
View similar profiles
