But while Bezos has mostly stayed out of the newsroom and speaks in the earnest, problem-solving language
of a born engineer and tinkerer, Soon-Shiong is a bigger personality with a grander style and a reputation as much more of a showman and salesman.
IBM officials say Allen's chief accomplishments include "contributions to the theory and practice of program optimization, which translates the users' problem-solving language
statements into more efficient sequences of computer instructions." She has also helped produce advances in the use of high-performance computers for solving problems such as weather forecasting, DNA matching and national security functions.