Dr. Mobeen Syed, MD—affectionately known to his global audience as Dr. Been—is a physician, CEO of DrBeen Corp, and the Content and Medical Director for React19. Dedicated to advancing medical education, he has spent years delivering deep-dive, highly visual lectures that help medical professionals and patients alike understand the intricate mechanisms of the human body. His unparalleled ability to make complex pathophysiology digestible has earned his content over 90 million views and 1 billion minutes watched. Through his work with React19, Dr. Syed is actively developing science-backed protocols and specialized educational resources to bring clarity, support, and actionable medical insights to the medical community and those they treat.