Complex sentence: Uma Chowdhry is currently senior vice president and Chief Science and Technology Officer of DuPont and is responsible for the company's core research programs and the DuPont "APEX" portfolio of research programs spanning basic chemistry, materials science and biotechnology.
Split into simpler sentences: Uma Chowdhry is currently senior vice president and Chief Science and Technology Officer of DuPont. As such, she is responsible for the company's core research programs and the DuPont "APEX" portfolio of research programs spanning basic chemistry, materials science and biotechnology.