Piero Sierra is a seasoned technology executive with a strong background in product development and design. Currently serving as the Chief Product Officer at Skyscanner, Sierra leads product, design, and research for the company's B2C, B2B, and advertising operations. Prior to this role, he served as the Partner Director of Product for Skype at Microsoft, where he oversaw product development for popular communication platforms like Skype and MSN Messenger. Sierra has also served in various leadership roles at Microsoft, where he was responsible for product development for Internet Explorer, OneDrive, and the Windows user experience.

Sierra's educational background includes a Bachelor of Science degree in Computer Science from Princeton University, as well as previous studies at Lycée Pasteur in São Paulo, Brazil. In addition to his work in the technology industry, Sierra also spent time as a software developer for Pirelli Telecom at Pirelli Cables.

Sierra's professional expertise spans product development, design, and user experience, particularly as they relate to software and communication platforms. He is known for his leadership of large, complex product teams and his ability to guide product strategy and development at both startup and enterprise-scale organizations.