Tessenderlo Kerley Inc
The Belgian Tessenderlo Group's US subsidiary, Tessenderlo Kerley Inc (Phoenix, Arizona), has made several appointments to the newly formed Office of North American Operations within its NovaSource crop protection business. Bob Gestring has been appointed director of sales, North America. He was previously regional manager for Canada and the mid-western and north-eastern areas of the US. Kyle Coleman has been promoted to marketing director, North America. He joined NovaSource in 2011 as a regional manager and product manager. Donnie Wadsworth will be responsible for North American strategic accounts. Mike DeRiso has been named vice-president of marketing and development, with responsibility for global product management strategies, acquisitions and other growth opportunities. Mr Wadsworth and Mr DeRiso have been with NovaSource since 2006 and 2005, respectively.