Early in his career, he worked with the VISTA program with Southeast Nebraska Small Farms Action Group.
He then co-founded The Strategy Group with David Wilhelm and was PAC director and chief lobbyist for the Iowa AFL-CIO.
He organized several events such as the first national clergy breakfast, the first state opinion leader's days, and the first bill signing ceremony of the Clinton presidency.
In 2000, Lux founded American Family Voices, an organization that encourages grassroots involvement on middle-class issues.
OpenLeft is a news, analysis and action website dedicated toward building a progressive governing majority in America.
'[5] In August 2008, the Campaign for Community Change announced it was receiving a grant from Atlantic Philanthropies to hire Lux as a senior fellow.