Kristen Lachtman Is Leaving Twitter’s Niche Influencer Network

She will join her husband, Darren, at social video startup Brat

Kristen Lachtman, who took over the U.S. operations of Twitter’s Niche influencer network after her husband, Darren Lachtman, left the company last July, is bidding goodbye to the social network, as well. David Cohen is editor of Adweek's Social Pro Daily.