VOX Global, a strategic communications and public affairs firm, continues to grow its Indianapolis team by adding Joel Cooper as a digital communication specialist and promoting Luis Sorto to account executive. Cooper joins the company as an account executive with the digital practice group. He creates and manages digital advertising campaigns. Cooper previously worked as a content developer for Streetsense in Washington D.C. He holds a degree from Cornell University. Luis Sorto has been promoted to account executive, after initially joining the company last summer. He works with the firm's education/nonprofit and diversity and inclusion practice groups. Sorto holds a degree from Georgetown University.