Ghanaian-born Paul Mensah is a chemical engineer and the vice president of the bioprocess research and development group at Pfizer in St. Louis, in the USA. He led the team based in St. Louis and Andover, Massachusetts to develop the Pfizer-BioNTech vaccine to fight the Coronavirus. Mensah was responsible for developing and manufacturing the vaccine’s … Continue reading The Ghanaian-born who led Pfizer team to develop Covid-19 vaccine