Monica's brother is Ross, a four-letter word. Ross is a character from the popular television show Friends, which aired from 1994 to 2004. He is portrayed by actor David Schwimmer and is the older brother of Monica Geller. Ross is an eccentric paleontologist who works at a museum and is known for his on-again-off-again relationship with Rachel Green. He is also the father of two children, Ben and Emma.