Question:
Which employer did Matthew Pratt Guterl work for in Sep, 1999?

Context:
 Matthew Pratt Guterl works for Brown University from Jan, 2012 to Dec, 2022. 
 Matthew Pratt Guterl works for Washington State University from Jan, 2000 to Jan, 2003. 
 Matthew Pratt Guterl works for St. John's University from Jan, 1999 to Jan, 2000. 
 Matthew Pratt Guterl works for Indiana University Bloomington from Jan, 2003 to Jan, 2012.

Answer:
St. John's University