claim: One of the co-executive producers of Buffy the Vampire Slayer was Korean.
evidence: David Greenwalt -LRB- born October 16 , 1949 -RRB- is an American screenwriter , director and producer .. screenwriter. screenwriter. American. United States. He was the co-executive producer of the TV series Buffy the Vampire Slayer and co-creator of its spinoff , Angel .. Buffy the Vampire Slayer. Buffy the Vampire Slayer. Angel. Angel ( 1999 TV series ). He is also co-creator of the short-lived cult television show Profit .. Profit. Profit ( TV series ). He co-created the NBC supernatural drama Grimm .. Grimm. Grimm ( TV series )