Brian Acton

Signal Messenger LLC is a nonprofit organization that provides a messaging platform with a focus on privacy. The non-profit company is based in Mountain View, CA. The platform offers state-of-the-art end-to-end encryption, ensuring that conversations are secure and private. Users can share text, voice messages, photos, videos, gifs, and files for free, and make crystal-clear voice and video calls without long-distance charges. The platform also allows users to create and share encrypted stickers and group chats. Signal is free for everyone and is supported by grants and donations. The company was founded in 2014 by Matthew Rosenfeld. Brian Acton has been the CEO of the company since 2022.

WhatsApp LLC operates as a cross-platform mobile messaging app which allows users to exchange messages without having to pay for SMS. Its messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia. In addition to basic messaging WhatsApp users can create groups, send each other unlimited images, video and audio media messages. The company was founded by Jan Koum and Brian Acton in 2009 and is headquartered in Menlo Park, CA.