LUND, Sweden, May 13, 2025 /PRNewswire/ — Hansa Biopharma AB, “Hansa” (Nasdaq Stockholm: HNSA) today announced that Maria Törnsén has been appointed Chief Operating Officer (COO) and President U.S. effective 19 May. Ms Törnsén will report to CEO Renée Aguiar-Lucander and be a member of…