Julie Dill and Hans Vestberg: the phrase brings together two senior business figures whose professional stories emerged from very different corners of corporate America and the international business world. Dill built a long career in the energy and natural-gas industries, while Vestberg became internationally known through telecommunications, technology, and corporate leadership. Although their names sometimes appear together in online searches, available reliable biographical sources do not establish that they are spouses, relatives, business partners, or colleagues in the same organization. Instead, their separate careers provide an interesting look at two distinct models of modern executive leadership. Julie Dill’s Career in…