Robert N D’Alessandro is the Director of the Process Technology Department at Evonik Degussa Corporation where he has worked since 1991. He received his BS in Chemistry and Mathematics from Fordham University in 1976, his BS in Chemical Engineering from Columbia University in 1978, and his MS in Chemical Engineering from Manhattan College in 1981. Robert is a Registered Professional Engineer in the State of Alabama. Work experience includes positions in a technology company, engineering & construction company, and several operating companies. Robert has been an active member of the DIERS Users Group since its inception in 1986. Since 2004, Robert has served as the elected secretary of the DIERS Users Group. He is also on the editorial board of Process Safety Progress, a peer reviewed journal published by the AIChE. Robert is also the author of many publications on emergency relief systems and an active member of AIChE.