Question:
Who was the chair of International Tribunal for the Law of the Sea in Jan, 2019?

Context:
 P. Chandrasekhara Rao is the chair of International Tribunal for the Law of the Sea from Jan, 1999 to Jan, 2002. 
 Shunji Yanai is the chair of International Tribunal for the Law of the Sea from Jan, 2011 to Jan, 2014. 
 Rüdiger Wolfrum is the chair of International Tribunal for the Law of the Sea from Jan, 2005 to Jan, 2008. 
 José Luís Jesus is the chair of International Tribunal for the Law of the Sea from Jan, 2008 to Jan, 2011. 
 Jin-Hyun Paik is the chair of International Tribunal for the Law of the Sea from Jan, 2017 to Dec, 2022.

Answer:
Jin-Hyun Paik