about us

Glassbox Media was built by a passionate team of Media and Advertising professionals.

David Segura

CEO & Co-Founder

David Segura is an accomplished Entrepreneur & Investor who currently serves as the CEO of Glassbox Media.

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.

David is also a Partner in Dog Whisperer Productions, the beloved TV franchise that is set to return with new programming on ABC (Disney) in 2022. The legacy episode catalog can be enjoyed on Disney+ in North America in addition to other channels around the world.

He is a proud graduate of the University of Chicago.

Chris Whitman

Chief Strategy Officer & Co-Founder

Chris Whitman focuses on the intersection of media and creativity.

With a foundation in planning and buying the media businesses of Nestle, Fox, and Johnson & Johnson, Chris then joined Giant Media and helped drive revenue for the company through their eventual acquisition and beyond. He developed strategic partnerships with brands like L’Oreal, Bank of America, and Mondelez among others. Post-Giant, Chris went on to found an award-winning creative agency, CRONY, strategically empowering clients like BuzzFeed, Afterpay, lululemon, and Healthline with experiential, content, and social campaigns that drove customer loyalty and community.

Chris also sits on the Board of Directors of National Sawdust, a non-profit global arts organization based in Brooklyn working to incubate the various facets of performing arts towards innovation and inspiration.

Chris Lawrence

Vice President, Operations & Co-Founder

Chris Lawrence is a serial entrepreneur with 8+ years creating social buzz for some of the world's biggest brands.

Chris specializes in connecting the dots of changing internet culture, combining creativity, production, innovative technology, and knowledge of social media to produce industry-leading campaigns for brands such as Twitch, Uber, Hinge, Brita, TikTok Creators, and Boohoo, among others.

Chris got his start by harnessing the power of social media to drive over 1 Million app downloads on his app Circulate and exploding several other of his applications to Top 50 in the Apple App Store charts.

Mo Ali


Mo Ali is a seasoned Sales Executive and Entrepreneur with a long-history in the AdTech and Media industry.

Mo previously led sales at Giant Media, which was previously the largest Native Video Network by reach per Comscore (2015). He was also a senior executive at Channel Factory and co-founded AudX, a programmatic video platform that worked with a number of premium brands including Luxottica / LensCrafters, Realtor.com, and BuzzFeed among others.

Mo is also the Co-Founder of Everything's OK, an award-winning cannabis brand based in Oklahoma City. He is a graduate of the University of Miami aka "The U".