Sean O'Brien

Sean O'Brien serves as CEO at O'Brien Architects. O'Brien Architects operates in the architecture & planning sector with approximately 56.0 employees. The company is headquartered in Dallas, Texas. O'Brien Architects generates annual revenue of 19800000.0.

Industry & Role Insights

• • MessageCEO tracks 665 executives in the architecture & planning sector.
• • 6,856 executive contacts are available in Texas.
• • Our database includes 201,469 c suite-level executives.

Outlook MailChimp SPF Microsoft Office 365 CloudFlare Hosting Flywheel Hubspot Linkedin Marketing Solutions Gravity Forms Facebook Custom Audiences Mobile Friendly YouTube Facebook Login (Connect) Facebook Widget Google Tag Manager WordPress.org Remote

architecture planning interior design vizualization environmental graphics mixeduse retail office multifamily innovation commercial office multi-family mixed-use industrial master planning healthcare civic architecture collaborative design bespoke architecture sustainable design visioning services project management client-centered approach creative charrettes community planning urban design environmental design landscape integration impactful projects client experience trusted advisor design process iconic structures real estate development workplace design interior architecture commercial interiors residential design construction administration logistics design open floor plan architectural solutions artistic expression team collaboration values-based culture long-standing reputation design excellence tailored solutions client engagement design innovation four decades experience dynamic environments strategic partnerships community impact health & wellness design health care health wellness & fitness hospital & health care sustainability environmental services renewables & environment productivity architecture & planning

GA

Giampiero Alessandrini President and Ceo at 2 Square

AV

Alejandro Vallarino CEO at ABCD ARQUITECTURA

WJ

William Johnson COO / CFO at ABC Worldwide Stone

BA

Bandar Al-Naim Chief Executive Officer at AbdulRahman Al-Naim Consultant Engineers - ACE

OP

Oleg Petryk Chief Technical officer, Project manager at abmk

Outreach Guidance — architecture & planning Sector

Executives like Sean O'Brien in the architecture & planning sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at O'Brien Architects.

Sean O'Brien's Position in the MessageCEO Database

• •Sean O'Brien is 1 of 1 verified executive contact we track at O'Brien Architects.
• •638 verified executive contacts in architecture & planning are in the MessageCEO database.
• •6,405 verified executive contacts in Texas are in the database.
• •8 verified contacts work at architecture & planning companies in the 56.0 employee range (same size as O'Brien Architects).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Sean O'Brien directly?

Sean O'Brien's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at O'Brien Architects. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sean O'Brien work for?

Sean O'Brien is CEO at O'Brien Architects, a company in the architecture & planning sector with 56.0 employees. The company is based in Dallas, Texas.

Can I pitch or sell to Sean O'Brien?

As CEO at O'Brien Architects, Sean O'Brien is a key decision-maker in the architecture & planning sector. MessageCEO Pro gives you verified email to reach Sean O'Brien directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sean O'Brien in?

Sean O'Brien works in the architecture & planning industry as CEO at O'Brien Architects. MessageCEO provides verified contact information for executives across all major industries.

Is Sean O'Brien's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Sean O'Brien's profile is kept up-to-date with the latest available information.

Last updated: July 19, 2026