Emma Ross is a fictional character from the Disney Channel series Jessie. She is portrayed by actress Peyton List and is known for her intelligence, independence, and strong personality. Emma is the eldest child of Jessie Prescott, a young woman who becomes the nanny for the Ross family. In the show, Emma often takes on a leadership role among her siblings, which include Luke and Zuri. She is passionate about fashion and enjoys expressing her creativity through her style. Emma's character is relatable to many viewers, showcasing the challenges and joys of growing up in a big family.