Question:
Which position did Catherine Bréchignac hold in Dec, 1998?

Context:
 Catherine Bréchignac holds the position of president from Jan, 2006 to Jan, 2010. 
 Catherine Bréchignac holds the position of director general from Jan, 1997 to Jan, 2000. 
 Catherine Bréchignac holds the position of Perpetual Secretary from Jan, 2011 to Jan, 2018.

Answer:
director general