Cullen O'Brien
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Cullen O'Brien Email & Phone Number

Partner at 7Rivers, Inc.
Location: Greater Milwaukee, United States, United States 11 work roles 1 school
1 work email found @66degrees.com 3 phones found area 414 and 866 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 3 phones

Work email c****@66degrees.com
Direct phone (414) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Partner
Location
Greater Milwaukee, United States, United States

Who is Cullen O'Brien? Overview

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Quick answer

Cullen O'Brien is listed as Partner at 7Rivers, Inc., based in Greater Milwaukee, United States, United States. AeroLeads shows a work email signal at 66degrees.com, phone signal with area code 414, 866, and a matched LinkedIn profile for Cullen O'Brien.

Cullen O'Brien previously worked as Vice President, Delivery at 66Degrees and Associate Partner, IBM Consulting & PM COE Lead at Ibm. Cullen O'Brien holds Bba from University Of Wisconsin-Milwaukee.

Company email context

Email format at 7Rivers, Inc.

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*@66degrees.com
68% confidence

AeroLeads found 1 current-domain work email signal for Cullen O'Brien. Compare company email patterns before reaching out.

Profile bio

About Cullen O'Brien

Mr. O’Brien joined 7Summits in 2012 as an early-stage startup. He has been a member of the senior management team since joining. 7Summits exited to IBM in January 2021 and today is a wholly-owned subsidiary of IBM.Mr. O'Brien is a Senior Vice President in the Service Delivery organization, with primary responsibility for the company's Project Management, Managed Services, and Operations teams. As such, he is responsible for 7Summits’ Project Management Office (PMO), delivery methodology (“The 7Summits Way”), project portfolio governance, enterprise utilization management/resource management and revenue forecasting. He also provides executive oversight on strategic customer accounts.Prior to his current role, Mr. O’Brien served as Vice President, Client Partner for four years at 7Summits, during which he managed a multi-million dollar portfolio of strategic accounts, mainly in the Software & High-Tech and Manufacturing verticals.Prior to joining 7Summits, Mr. O’Brien spent 15 years in leadership, strategy consulting, account management, and project management roles in integrated and digital marketing agencies. He has more than 20 years of combined digital development and technology implementation experience, including enterprise SaaS, website/CMS development, e-mail and marketing automation, experiential/event marketing technology, and custom software development.Mr. O’Brien is a graduate of the University of Wisconsin-Milwaukee, where he played NCAA Division I Men's Volleyball. He resides in Whitefish Bay, WI with his wife and their boy-girl twins.Focus areas:Technology ServicesSalesforce PlatformSales Cloud CRMService CloudCommunities & PortalsDigital TransformationBusiness Value RealizationDelivery ManagementProject Management / PMOTeam LeadershipMentoring & Performance ManagementMeeting Awesome & Talented People

Listed skills include Digital Marketing, Marketing Strategy, Social Media, Interactive Marketing, and 40 others.

Current workplace

Cullen O'Brien's current company

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7Rivers, Inc.
7Rivers, Inc.
Partner
Milwaukee, WI, US
AeroLeads page
11 roles · 29 years

Cullen O'Brien work experience

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

Vice President, Delivery

Current

Chicago, IL

Feb 2023 - Present

Associate Partner, Ibm Consulting & Pm Coe Lead

Ibm

Milwaukee, Wisconsin, United States

Feb 2022 - Feb 2023

Sr. Vice President, Delivery Operations

Milwaukee, Wisconsin, United States

Apr 2019 - Jan 2022

Vice President, Client Partner

Greater Milwaukee Area

Jan 2012 - Oct 2016

Account Group Director

Fullhouse
May 2006 - Oct 2009

Account Director

Fullhouse
Jan 2004 - May 2006

Director Of Client Solutions

Alloy Interactive
2002 - 2004 ~2 yrs

Project Manager

1997 - 1999 ~2 yrs
1 education record

Cullen O'Brien education

FAQ

Frequently asked questions about Cullen O'Brien

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

What company does Cullen O'Brien work for?

Cullen O'Brien works for 7Rivers, Inc..

What is Cullen O'Brien's role at 7Rivers, Inc.?

Cullen O'Brien is listed as Partner at 7Rivers, Inc..

What is Cullen O'Brien's email address?

AeroLeads has found 1 work email signal at @66degrees.com for Cullen O'Brien at 7Rivers, Inc..

What is Cullen O'Brien's phone number?

AeroLeads has found 3 phone signal(s) with area code 414, 866 for Cullen O'Brien at 7Rivers, Inc..

Where is Cullen O'Brien based?

Cullen O'Brien is based in Greater Milwaukee, United States, United States while working with 7Rivers, Inc..

What companies has Cullen O'Brien worked for?

Cullen O'Brien has worked for 7Rivers, Inc., 66Degrees, Ibm, 7Summits, An Ibm Company, and 7Summits.

How can I contact Cullen O'Brien?

You can use AeroLeads to view verified contact signals for Cullen O'Brien at 7Rivers, Inc., including work email, phone, and LinkedIn data when available.

What schools did Cullen O'Brien attend?

Cullen O'Brien holds Bba from University Of Wisconsin-Milwaukee.

What skills is Cullen O'Brien known for?

Cullen O'Brien is listed with skills including Digital Marketing, Marketing Strategy, Social Media, Interactive Marketing, Integrated Marketing, Social Media Marketing, Marketing, and Social Business.

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