Haas, 66, made the announcement during a special address on GVSU's Allendale campus on Wednesday morning. He will retire June 30, 2019.
Within the past 35 years, he has served as a tenured faculty member, department chairman, dean, vice president and president. Under Haas, the university has added 20 undergraduate programs and 16 graduate programs. GVSU also opened the Detroit Center and added 2.5 million square feet in buildings.
Prior to his appointment at GVSU in 2006, Haas was president of State University of New York Cobleskill.
After a break following his retirement, Haas said he will return to the classroom as a professor in the College of Liberal Arts and Sciences.
The university's Board of Trustees will serve as the search committee for GVSU's fifth president. An executive search firm will assist them.
The search committee will solicit comments from the university community and consistencies outside the university to chose a qualified president.