The Hasiotis archive was donated by Constantinos Katsapis in October 2023 to the Piraeus Bank Group Cultural Foundation. The fonds contains 11,2 linear meters and includes archival, bibliographic material and some photographic material. Konstantinos Hasiotis was born on 22.12.1914 and attended during 1933-1937 the School of Agriculture of the University of Thessaloniki. In January 1940, he was employed by the Technical Department of the Agricultural Bank of Greece as a Livestock Technical Assistant in Serres. In the following years, he was transferred to various positions. By 1973, he was placed Head of the Department of Animal Husbandry (4/1973) and Head of the Department of Agricultural Industries (6/1973). Konstantinos Hasiotis retired in 1975. He contributed to related scientific disciplines throughout his life with studies and articles.