Christine Tacon, chairman of the Red Tractor farm and food assurance scheme, will speak at an online RAU event on April 13 - Credit: Denise Bradley The Norfolk-born businesswoman who now leads the nation's largest farm assurance scheme will discuss the future challenges facing the food industry during an online event. She was previously the country's first groceries code adjudicator (GCA), a role created to ensure the largest retailers treat their direct suppliers lawfully, to investigate complaints and arbitrate in disputes. Her career also includes senior marketing positions for organisations including Mars, Vodafone and Anchor, now Fonterra. She ran the Co-operative Group’s farming business for more than 10 years and was made a CBE for services to agriculture in 2004.