Charles DeBrosse (1967-1971), Allan Bilger (1964-1968), Kathy Pohl (2000-2004), Gary Gruss (1980-1984), Herb Reynolds (1990-1994), Charles Oppenheim (1961-1965)
The calculation for figuring out the wait time for visas has so many variables and is so complicated that I had to contact Charles Oppenheim, the chief of Immigrant Visa Control and Reporting for the U.S. State Department, to figure it all out.