"I was always stressed out and on the verge of tears. I remember going home sometimes thinking I just hated my life," they added. The person says they were let go after a few months but did not disclose why.
Among the former staffer's claims included allegations the talk show host would "lay traps" across her house to make sure it was thoroughly cleaned, and that she gave her staff a daily list of performance complaints.
The source said they were not surprised about Ellen's at home behaviour. "My belief is that someone's real personality comes out at home," they added. "So after everything that has been said about her at work, you can imagine how terrible Ellen is going to be at home when her guard is down."
DeGeneres is set to address viewers when her talk show comes back for a new season on September 21 in the US.
"I can't wait to get back to work and back to our studio. And yes, we're gonna talk about it," a statement from DeGeneres read.