Soltero joined Microsoft when it bought at the end of 2014 Acompli, a mobile mail startup in San Francisco which he co-founded and led. After joining Microsoft four years ago, Soltero spearheaded Outlook Mobile, then all of Outlook. He was head of strategy for Office before he was appointed to run Cortana in March 2018.
I've heard Soltero is going to go back to doing entrepreneurial activities once he leaves by year-end. I asked Microsoft for comment on his planned departure and was told by a spokesperson that the company had nothing to share.
Perry Clarke is going to be working with Soltero on transition plans in the next couple of months, sources are telling me. Clarke has been with Microsoft engineering since 1996, when he led Exchange. He also has been a Microsoft Distinguished Engineer for the past several years. I've heard talk that Microsoft ultimately is looking to bring Cortana and Search together into a single engineering team.