Shares of SendGrid's common stock ceased trading prior to the open of the market on February 1, 2019, and the company is no longer going to be listed on the New York Stock Exchange. Photo: SendGrid "Effective customer engagement is a strategic imperative for every company. With SendGrid now a part of Twilio, our goal is to provide a complete platform for every form of customer engagement," said Twilio co-founder and CEO Jeff Lawson in a statement. "Through our mutual developer-first approach, we empower the builders of the world to create magical customer experiences unique to every interaction." Going forward, SendGrid will be operating as a wholly owned subsidiary of Twilio and it will continue to be led by SendGrid CEO Sameer Dholakia. Through the acquisition, the companies will provide developers with access to a platform for managing all important communications channels: voice, messaging, video, and email.