Sean Brennan

Sean Brennan serves as Chief Executive Officer at Relay. Relay operates in the information technology & services sector with approximately 340.0 employees. The company is headquartered in San Diego, California. Relay generates annual revenue of 7000000.0. To date, Relay has raised 48000000.0 in total funding, with the most recent round being Series B.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 2 executives at Relay.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

Route 53 Gmail Google Apps Microsoft Office 365 Pipedrive Typeform Hubspot StatusPage IO Mobile Friendly Eventbrite Greenhouse.io Vimeo Amadesa Google Dynamic Remarketing reCAPTCHA Google AdWords Conversion iTunes YouTube Google Maps Wordpress.com Facebook Widget Google Font API Facebook Custom Audiences Hotjar A2Z Inc Typekit Zoho CRM Google Play Gravity Forms Linkedin Marketing Solutions Google Tag Manager Google Maps (Non Paid Users) DoubleClick Conversion Visual Website Optimizer Facebook Login (Connect) WordPress.org DoubleClick Google Analytics Multilingual Vidyard Cloudinary ShareThis Bootstrap Framework CrazyEgg Trustwave Seal Android Remote AI

mobile computing software products cloud-based communication team collaboration worker safety systems panic alerts two-way communication operational insights data insights connected hardware ptt (push-to-talk) nationwide connectivity language translation real-time location tracking emergency response solutions integration capabilities user-friendly interface customizable alerts audio clarity mobile connectivity digital transformation frontline team support durable devices gps tracking asset management performance metrics market trends automated notifications cloud platform system administration innovative communication tools user-centric design multi-device support mobile app functionality training resources knowledge base customer support services analytics dashboard iot integration seamless software integration monitoring tools visual communication system rugged communication device language barriers hospitality solutions healthcare communication system facility management solutions crisis management tools event management solutions workplace safety compliance smart radio frontline teams operational efficiency worker safety emergency alerts unified communication hardware integration software platform push-to-talk customer support onboarding assistance asset tracking geofencing api access hospitality industry manufacturing education disconnected workers tech-savvy businesses customer satisfaction user-friendly innovative solutions safety features productivity enhancement communication tools modern communication systems information technology & services mechanical or industrial engineering

PM

Paul Miller Chief Executive Officer at Relay

MJ

Marvin Jo CTO at 위블링

RK

Robert Kim CEO, North America at 당근마켓

KL

Kyung Lim CTO at 인터파크

AR

Alex Ryu Chief Operating Officer, Supply Chain Solutions Group at 동양시스템즈(주)

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Sean Brennan, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

How do I reach Sean Brennan directly?

Sean Brennan's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Relay. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sean Brennan work for?

Sean Brennan is Chief Executive Officer at Relay, a company in the information technology & services sector with 340.0 employees. The company is based in San Diego, California.

Can I pitch or sell to Sean Brennan?

As Chief Executive Officer at Relay, Sean Brennan is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Sean Brennan directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sean Brennan in?

Sean Brennan works in the information technology & services industry as Chief Executive Officer at Relay. MessageCEO provides verified contact information for executives across all major industries.

Is Sean Brennan's contact information verified?

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

Last updated: May 13, 2026