Bernd Blossey is an assistant professor and director of the Biological Control of Non-Indigenous Plant Species Program of the Department of Natural Resources at Cornell University. His work involves the theoretical and practical aspects of biological weed control, including insect-plant interactions, factors underlying successful invasion by nonindigenous plants, and the development of field- and lab-rearing techniques for mass production of biocontrol agents. His primary efforts have centered on the well-known invasive plant, purple loosestrife. He also has recently initiated new biocontrol programs targeting Phragmites austalis and Alliaria petiolata. Dr. Blossey received his Ph.D. in zoology/ecology from the University of Kiel.

Ignacio Chapela is assistant professor in the College of Natural Resources, University of California, Berkeley. His current research includes the symbiosis between leaf-cutter ants and their cultivated fungi, the role of fungi in the balance between forest health and disease, and the role of fungi in sustainable management of the diverse and delicate environments of local communities in Southern Mexico. He recently served as faculty chair and vice-chair for the College of Natural Resources at UC Berkeley. He is founder and scientific director of the Mycological Facility in Oaxaca, Mexico. Dr. Chapela received his B.Sc. in biology from the Universidad Nacional Autónoma de México in 1984 and his Ph.D. in fungal ecology from the University of Wales in 1987.

Norman C. Ellstrand is professor of genetics in the Department of Botany and Plant Sciences at the University of California, Riverside. His research focuses on applied plant population genetics with current emphasis on the consequences of gene flow from domesticated plants to their wild relatives. Dr. Ellstrand has participated in a number of government and National Research Council meetings concerning genetically modified organisms including the NRC planning meeting on technology and intellectual property challenges associated with genetically modified seeds. He received his Ph.D. from the University of Texas, Austin, in 1978.

Nicholas Jordan is an associate professor in the Department of Agronomy and Plant Genetics at the University of Minnesota. His current studies explore weed competitive cultivars, ecology and evolution of herbicide-resistant weeds, and integrated weed management approaches focusing on interactions between weeds and soil biota. He is noted for his efforts in developing new working relationships between scientists and farmers, crop consultants, and other agriculturalists to increase the human resources available to develop more durable, effective, and more environmentally sound weed management methods. Dr. Jordan received his B.A.

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