His research and teaching interests are in geotechnical engineering with specific emphasis on Deep Foundation systems. He organizes an annual five day workshop for Geotechnical teaching faculty which is sponsored by the Pile Driving Contractors Association (PDCA). Dr. Caliendo teaches several short courses on Deep Foundations for the national Highway Institute (NHI) and the American Society of Civil Engineers (ASCE). He was a co-chair of the organizing committee for GeoLogan97, the first national conference of the ASCE Geo-Institute.