Hagan Major

Hagan Major is co-founder and COO of YellowHammer, a New York City-based performance trading platform that provides programmatic buying solutions for advertisers and agencies that demand a tangible return on their advertising dollars. As COO, Hagan is responsible for YellowHammer’s corporate strategy, client performance, and distribution. He oversees the development of YellowHammer’s technology platforms on the buying and selling sides, as well as the development of client strategies.


5 Reasons Your Display Ad Campaign Isn’t Working

Surfing the web these days, you might notice that a one-time view of a trendy shirt will quickly follow you around the Internet. Look up engagement rings, and you’ll be bombarded with ads for wedding venues and flowers. Perform a search for a concert, and that band will fill your feeds and display ads.