Elizabeth Rivera brings Capitol Hill background to role

They join ethanol team, China office

Board officers, directors announced during annual convention

More hirings to come at Goodland, Kansas, oilseeds crushing plant

Roetgerink will serve in the chief financial officer role for four years

Will lead strategy for government affairs

Van Pevenage appointed to Global Pulse Confederation board

Initially will focus on grains, oilseeds and soft commodity derivatives

Will serve on Advisory Committee on Supply Chain Competitiveness

Serves as biscuit/bakery and noodle technologist