He has authored many academic papers on earthquake engineering, with specialized focus on improving the seismic design of complex bridge systems. He is a founding member of the Massachusetts Engineers and Architects Emergency Response Committee and is a licensed Civil Engineer in the State of California. Dr. Veletzos has also been involved in ongoing efforts to improve access to clean water in post-earthquake Haiti. He traveled to Thame Valley in 2015, volunteering his skills to help assess the earthquake damage to community structures and teaching basic strengthening techniques for rebuilding.