Per Adam Schefter at ESPN:
"Seahawks have promoted Director of Pro Personnel Will Lewis to Vice President/Football Operations"
You can see the bio of Will Lewis here. He has been with the Seahawks since 1999 and has had a lucrative career with the NFL.
Current General Manager John Schneider had this to say about all the staff changes that he has made recently:
"This is an exciting time for the Seahawks as we are combining experience, talent and loyalty in order to increase our overall effectiveness. These moves, in addition to the strong presence of Ruston Webster and John Idzik, should provide long-standing stability and leadership to the Seahawks front office."
Ruston Webster was retained due to his experience with the draft and salary capping.