Jeffrey Nachmanoff (born March 9, 1967) is an American screenwriter and director.
He co-wrote the screenplay for the 2004 blockbuster film The Day After Tomorrow.
His most commercially successful film is The Day After Tomorrow, which grossed US$544 million.
[2] Short film Feature film Television Nachmanoff previously contributed to the script for Prince of Persia: The Sands of Time earlier in its development history.
Jeffrey appears on his brother's album Threads of Time.