Kruger, who earned his doctorate in the UI Department of Electrical and Computer Engineering in 1992, joined the college in 1995 and has taught in the department since 2006. He is also an associate faculty research engineer at the college's internationally renowned research unit, IIHR Hydroscience & Engineering. Senior faculty and Kruger's students cite him for his development of curriculum, commitment to student success, availability to students by maintaining extensive office hours, and involvement in student senior design projects. He received the college's Research Staff Excellence Award in 2003.