Question: What nationality is the director of film Tony Robbins: I Am Not Your Guru?
Sentence (from "Joe Berlinger"): Berlinger spearheaded and directed two 2019 projects centered on the infamous serial killer Ted Bundy: the Netflix docu-series , and the drama film "Extremely Wicked, Shockingly Evil and Vile", starring Zac Efron.
Relevant evidence: No