Alessandro Mariani has been appointed president of Italian agrochemical company Isagro’s US subsidiary, Isagro USA (Morrisville, North Carolina). He succeeds Dennis Krass, who will become chairman of the board of Isagro USA. Mr Mariani has been with Isagro since 1983, most recently as group director for commercial operations. He will continue that role. Other management changes include the promotion of Mark Quick to vice-president of sales and marketing, along with sales and marketing responsibility for some international markets. Chris Leon has been promoted to technical development manager for the Americas, including field development of Isagro products in Latin America.