Following 25 years of work in the flour milling industry, Posner joined the academia to initiate research of wheat processing at Kansas State University.
Between the years 1986 and 1991, Posner served as a tenured associate professor in the Department of Grain Science at Kansas State University.
He has also performed research on wheat flour milling and contributed to various encyclopedias and books on the topic of food and grain processing.
[1] In addition, Posner and USW regional vice president Mitch Skalicky met with leaders of the Cuban milling sector and provided technical assistance.
While at Kansas State University, supervised and co-supervised of MSc and PhD graduate students whose work related to wheat quality, and processing technology.
Since departing from Kansas State University, Posner served on advisory committees to graduate students in Australia, USA, & Brazil.
Posner consults on grain processing and wheat flour milling to national, public and private organizations in North and South America as well as the Far and Middle East.
Posner was instrumental in setting up flour milling schools in Fortaleza Brazil, Puerto Cabello Venezuela, Cairo Egypt, and Casablanca Morocco.
Miller, Ein-Chay Flour Mills Ltd. Kfar-Saba, Israel - 1957-1958 Technician, Miag, Germany and Buhler, Switzerland.