Joseph directed and co-wrote the 2015 movie "We Are Your Friends" starring Zac Efron. He has also written and directed several short films.
Co-host Nev Schulman confirmed the news through his Twitter account.
The “Catfish” series follows Schulman and Joseph as they help people find the true identities of people they are dating online.
Some of the love interests turn out to be who they say they are, while others are called out for lying about who they are.
Joseph's last episode of “Catfish” will air Aug. 22.