purdue's tenured faculty comprises sixty academic deans, associate deans, and assistant deans; 63 academic department heads; 753 professors; 547 associate professors and 447 assistant professors. purdue employs 892 non-tenure-track faculty, lecturers, and postdoctorals at its west lafayette campus. purdue employs another 691 tenured and 1,021 non-tenure track faculty, lecturers, and postdoctorals at its regional campuses and statewide technology.