The University of Thessaly and the Centre for Research and Technology-Hellas proudly organize an International Conference Honoring Elias N. Houstis. This conference will bring together teachers, friends, colleagues and students to honor Elias Houstis’s 70th birthday, recognize his exciting work in the areas of Computational and Informational Sciences and Engineering and exhibit his overall scientific and social influence to very many scientists, entrepreneurs and engineers around the globe.