The Brazilian generic agrochemical industry association, the Aenda, has appointed Thomas Unger as president of its board. Mr Unger was elected joint vice-president two years ago. He replaces Rodrigo Perez, who becomes one of two vice-presidents of the board along with Luiz Eugenio de Freitas. The leadership of the board is a two-year term. Thomas Unger is at Arysta’s South African subsidiary, Volcano, and Mr Perez and Mr Jacob are from the national agrochemical companies, PRTrade (BR3), and Prentiss, respectively.