Netflix's unscripted hits 'Love Is Blind' and 'Tiger King' helped drive a huge spike in subscribers. Meet the exec behind these breakthroughs. (NFLX)

· Netflix's reality-TV push is serving the streaming giant well.
· The company posted its strongest quarter for subscriber growth, from January to March, as people stayed at home and streamed more video, including unscripted shows like "Tiger King" and "Love Is Blind," as well as scripted movies and TV shows like "Ozark,"...