 HAIFA, Israel, July 19, 2021 GLOBE NEWSWIRE -- Pluristem Therapeutics Inc. Nasdaq: PSTI TASE: PSTI, a leading biotechnology company, today announced the Board of Director appointments of Prof. Varda Shalev, a physician, medical researcher, and Professor of Medicine at the Tel Aviv Universitys School of Public Health, and Mr. Doron Birger, a high-tech industry executive with a background in bringing groundbreaking products to market. 