GM

Greg Murtagh

Founder & CEO at Seismic Group

St. Petersburg, US

About

Greg Murtagh is a seasoned business executive located in Florida. With over 40 years of business experience, Murtagh has earned recognition as an expert in digital media, retail and consumer packaged goods (CPG) marketing, retail media, and monetization. He is broadly credited in the advertising industry as being one of the first people to create an RMN (Retail Media Network). Today, RMNs are the fastest-growing part of the online media spend for big brands and generate billions of dollars in profit for retailers worldwide. Murtagh has worked with many of the world’s largest retailers, advising them in advertising, web publishing, and eCommerce strategies. Currently retired, Murtagh was the founder and CEO of Triad Retail Media, a Florida-based media company established in 2004. Triad was one of the first companies to deliver data-targeted brand advertising on retail eCommerce websites. This led to huge growth and helped Triad gain inclusion in INC Magazine’s “Fastest Growing US Comp

Position in the VCSift Database

  • 1,913 investors hold the Founder & CEO role in VCSift. Greg Murtagh is one of them.
  • 78 investors are based in St. Petersburg, Florida, United States.

Data sourced from 410,343 investor profiles. Updated June 2026.

Investment Focus

Stages
seed

Contact Information

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