Microsoft VP Services & Studios Julie Larson-Green

Microsoft VP Services & Studios Julie Larson-Green

Scott Eells/Bloomberg

As head of Microsoft Corp.'s devices and studio engineering group, Julie Larson-Green is responsible for Microsoft’s push into gadgets such as tablets, which so far is faltering as consumers and businesses shun the company’s nine-month-old Surface computer in favor of the iPad from Apple Inc. and mobile machines from Samsung Electronics Co.