Shark — Tank Season 3 Guest Sharks
Greiner’s appearance was technically as a guest investor, but her immediate success and chemistry with the other sharks led to her becoming a permanent cast member by Season 4. A New Era: Mark Cuban Joins Full-Time
Greiner’s appearance was technically as a guest investor, but her immediate success and chemistry with the other sharks led to her becoming a permanent cast member by Season 4. A New Era: Mark Cuban Joins Full-Time