Yahoo gained 0.3 percent to $23.45 at 10:53 a.m. in New York. The shares have risen 18 percent this year.
D’Aloisio said he’d like to continue building companies after a stint at Yahoo and is particularly interested in artificial intelligence technology, such as Apple Inc.’s Siri.
Mayer has said she sees the company building sites and technologies for daily activities such as checking e-mail and stock tickers. In January, she said she’s focused on technology that will personalize content from the Web and deliver it to people on their handheld devices.
“We think about how do we take the Internet and order it for you,” Mayer said.