AeroLeads people directory · profile
Sean O'Brien Email & Phone Number
Senior Director Investments
at
Marcus & Millichap
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Director Investments
Location
Hinsdale, Illinois, United States
Company size
Who is Sean O'Brien? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Sean O'Brien is listed as Senior Director Investments at Marcus & Millichap, a company with 3754 employees, based in Hinsdale, Illinois, United States. AeroLeads shows a matched LinkedIn profile for Sean O'Brien.
Sean O'Brien previously worked as First Vice President at Marcus & Millichap. Sean O'Brien holds Marketing, Business from University Of Northern Colorado.
Company email context
Email format at Marcus & Millichap
This section adds company-level context without repeating Sean O'Brien's masked contact details.
Marcus & Millichap
Review company-level records connected to Sean O'Brien before choosing the right outreach path.
Profile bio
About Sean O'Brien
Sean O'Brien is a First Vice President dedicated to working with owners of Office & Industrial properties. Primary clients include full-time landlords, high net-worth individuals, and developers. Sean also represents prominent Office & Industrial real estate brokers. Sean's approach is to not only help his clients with dispositions, he also emphasizes on assisting with: -Strategic portfolio analysis -Lease consultation as a value-add -Acute sense of market economics -Strong understanding of property valuation & risk assessmentSean is consistently leveraging market intel and going above and beyond industry norms. In 2017, Sean received Marcus & Millichap's National Sales Recognition Award and is on track to be awarded again in 2018.
Current workplace
Sean O'Brien's current company
Company context helps verify the profile and gives searchers a useful next step.
Marcus & Millichap
2 roles
Sean O'Brien work experience
A career timeline built from the work history available for this profile.
First Vice President
Current
Jun 2012 - Present
Team & coworkers
Colleagues at Marcus & Millichap
Other employees you can reach at marcusmillichap.com. View company contacts for 3754 employees →
MC
Michelle Cunanan
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
AK
Alex Kerber
Colleague at Marcus & Millichap
Grosse Pointe, Michigan, United States, United States
View →
CH
Carlo Henderson
Colleague at Marcus & Millichap
Columbus, Ohio Metropolitan Area, United States
View →
AO
Aren Ohanian, Mba
Colleague at Marcus & Millichap
Los Angeles Metropolitan Area, United States
View →
TU
Tim Ufkes
Colleague at Marcus & Millichap
Seattle, Washington, United States, United States
View →
NC
Nicholas Creech
Colleague at Marcus & Millichap
Tampa, Florida, United States, United States
View →
NS
Natasha Soll
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
MB
Michelle Blanco
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
JS
Joe Simpson
Colleague at Marcus & Millichap
Charleston County, South Carolina, United States, United States
View →
CO
Connor Outcalt
Colleague at Marcus & Millichap
Bay Village, Ohio, United States, United States
View →
Michelle Cunanan
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
AK
Alex Kerber
Colleague at Marcus & Millichap
Grosse Pointe, Michigan, United States, United States
View →
CH
Carlo Henderson
Colleague at Marcus & Millichap
Columbus, Ohio Metropolitan Area, United States
View →
AO
Aren Ohanian, Mba
Colleague at Marcus & Millichap
Los Angeles Metropolitan Area, United States
View →
TU
Tim Ufkes
Colleague at Marcus & Millichap
Seattle, Washington, United States, United States
View →
NC
Nicholas Creech
Colleague at Marcus & Millichap
Tampa, Florida, United States, United States
View →
NS
Natasha Soll
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
MB
Michelle Blanco
Colleague at Marcus & Millichap
Los Angeles, California, United States, United States
View →
JS
Joe Simpson
Colleague at Marcus & Millichap
Charleston County, South Carolina, United States, United States
View →
CO
Connor Outcalt
Colleague at Marcus & Millichap
Bay Village, Ohio, United States, United States
View →
2 education records
Sean O'Brien education
Marketing, Business
Education record
Hinsdale Central High School
FAQ
Frequently asked questions about Sean O'Brien
Quick answers generated from the profile data available on this page.
What company does Sean O'Brien work for?
Sean O'Brien works for Marcus & Millichap.
What is Sean O'Brien's role at Marcus & Millichap?
Sean O'Brien is listed as Senior Director Investments at Marcus & Millichap.
Where is Sean O'Brien based?
Sean O'Brien is based in Hinsdale, Illinois, United States while working with Marcus & Millichap.
What companies has Sean O'Brien worked for?
Sean O'Brien has worked for Marcus & Millichap.
Who are Sean O'Brien's colleagues at Marcus & Millichap?
Sean O'Brien's colleagues at Marcus & Millichap include Michelle Cunanan, Alex Kerber, Carlo Henderson, Aren Ohanian, Mba, and Tim Ufkes.
How can I contact Sean O'Brien?
You can use AeroLeads to view verified contact signals for Sean O'Brien at Marcus & Millichap, including work email, phone, and LinkedIn data when available.
What schools did Sean O'Brien attend?
Sean O'Brien holds Marketing, Business from University Of Northern Colorado.
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 Sean O'Brien you were looking for.
View similar profiles
