Mark Porter is leaving his position as CTO of Grab to join MongoDB as CTO, where he will focus on developing technology and products that delight customers. He has been passionate about simplifying tools for developers and making data storage and access more accessible. Porter believes that the current relational database model is limiting and that a new approach is needed to make it easier for developers to build applications. He is excited to join MongoDB, which shares his vision of making data stunningly easy to use by applications that are also easy to write, scale, operate, and iterate on. Porter will focus on helping the team develop technology and products that delight customers, regardless of their role as a developer or executive.