Education
Zastrow took his studies at the University of Wisconsin-Madison, where he received his Bachelor of Science and Mississippi in Psychology and in 1971 his Doctor of Philosophy in Social Welfare under Alfred Kadushin with the thesis entitled "Outcome of Negro Children - Caucasian Parents Transracial Adoptions." After graduation Zastrow taught at the University of Wisconsin-Whitewater for 35 years, before moving to George Williams College of the Aurora University in 2007.