1967-2015 assertivenessinwomen autobiography bereavement bio026000bus046000fam014000 biography business chefer dave(davidbruce) death economics families family familysandberg goldberg grief karriär kvinnligachefer kvinnor leadership leadershipinwomen ledarskap loss(psychology) motivational personalmemoirs psychological psykologi relationships resilience resilience(personalitytrait) sexroleintheworkenvironment sheryl weiblicheführungskraft widowhood womenexecutives workingwomen