Who is Corinna Kopf? Corinna Kopf is an American social media influencer, YouTuber, and Twitch streamer. She is best known for her YouTube channel that has over 2.6 million subscribers. Corinna is currently in a relationship with fellow YouTuber and Twitch streamer, David Dobrik. The couple began dating in late 2019 and has been going strong ever since. They are ...