What is the role of iron in biological systems? One atom of iron is bound in the heme of hemoglobin and this atom of iron is bound to one atom of oxygen and carried throughout the body to preform cellular respiration.
From the press release: Reporting to Microsoft CEO Satya Nadella is former Nokia President and CEO Stephen Elop, who will serve as executive vice president of the Microsoft Devices Group.
Johanna still owns 16.7 % of BMW which makes her the 8th richest person in Germany and the 82nd in the world. Her children are also substantial shareholders in the automaker business. Johanna is a philanthropist who supports institutions dealing with child cancer and also donates a lot to political parties.