Haule's research specialties are in condensed matter theory, with major interests in electronic structure theory for correlated electron solids and algorithm development which combine the Dynamical Mean Field Theory and Density Functional Theory. He is especially known for the development of predictive theories for correlated electron solids and implementation of dmft_wien2k code. Haule's publications include over 100 scientific papers, h-index of 35, and over 1,000 citations a year in 2014.