DS

David Segura

Founder & CEO at Glassbox Media

New York, US

About

David Segura is an accomplished Entrepreneur & Investor with experience in a wide variety of industry verticals including AdTech, Media, and Consumer categories among others. David previously founded Giant Media, where he served as the CEO from launch through acquisition. The company was an early Video Advertising exchange and network that included Toyota, American Express, L'Oreal, and Dollar Shave Club as clients among others. Launched in 2009, Giant Media was successfully acquired in 2014 by Adknowledge, an AdTech platform funded by TPG, JMI, and Nokia. David is also an active startup investor. A cross selection of current investments include Eaze, Grove Collaborative, Hawthorne, Mogul, and many more. He is a very proud graduate of the University of Chicago.

Position in the VCSift Database

  • 1,913 investors hold the Founder & CEO role in VCSift. David Segura is one of them.
  • 10,621 investors are based in New York, New York, United States.

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

Investment Focus

Stages
seed

Contact Information

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