Notable for his presence on TikTok where over 500,000 fans watch his lip sync videos, he is also popular on other social media outlets as well. His TikTok username is itsdavidrosenberg.
His first Vine, "My Friends and I Be Like...," accumulated 16,000 loops in just two months. Before launching his career as a web star, he trained as an elite gymnast.
His comedic Vines included "When You See a Spider" and "That Moment You Open a Pack of Gum in School." To expand his presence on social media, he created a YouTube channel in late 2014 and uploaded a video titled "Which Social Media Is My Favorite?"
He is based in Allentown, Pennsylvania, and has a sister named Jennifer.
He and Jenn McAllister are both web comedians from Pennsylvania.