Samuel Brent Oscar Riegel is a multitalented individual who has made a name for himself in the entertainment industry as a voice actor, writer, and director. He began his career as a child actor in theater before moving to New York City to pursue opportunities on Broadway and off-Broadway stages. After completing his studies at the Professional Children's School in Manhattan, he returned to Virginia to attend the University of Virginia. Following his graduation from UVA, Riegel relocated back to New York to kickstart his voice acting career. Currently residing in Los Angeles, he is known for his portrayal of Donatello in the 2003 series of Teenage Mutant Ninja Turtles. On September 11, 2001, Riegel was present in New York City and captured the attacks on the World Trade Center using a video camera. He is also the older brother of Eden Riegel and younger brother of Tatiana S. Riegel.