 Moreno co-founded the Mexican American Legislative Caucus of the Texas House of Representatives, a co-founder of El Paso Legal Assistance, and a founding member of the Tejano Democrats.He was defeated by Marisa Marquez in the 2008 Democratic primary for the 77th district.In 2011, the Mexican American Legal Defense and Educational Fund (MALDEF) honored Moreno with the organization's Lifetime Achievement Award.