Klasien Horstman (1959) was trained as a philosophical and historical sociologist at the University of Groningen, the Netherlands. Her master’s thesis dealt with the socio-historical context of the rise of the pragmatist philosophy of language. 
Her PhD, at Maastricht University, addressed the growing role of predictive and preventive medical expertise and technology in life insurance. Her work since has focused on preventive health technologies.
To understand the sciences and cultures of prevention, she works at the interface of philosophy, sociology, and science and technology studies. Between 2001 and 2009 she was an associate professor in Maastricht as well as Socrates Professor in Philosophy and Ethics of Bioengineering at Eindhoven University of Technology. During these years she worked on a number of projects focusing on the ethical and societal consequences of genetic and biomedical technologies.
Since 2009 she has been professor of Philosophy of Public Health at Maastricht University.