Connecticut, and a consultant to corporations and organizations in the United States, Canada, and Europe. With Mary E. Siegel, PhD, he is the coauthor of three books, including the Sick and Tired of Feeling Sick and Tired: Living with Invisible Chronic Illness, now in its sixteenth printing and its second edition. Donoghue and Siegel are the authors of more than fifty magazine and journal articles on issues related to chronic illness, communication skills, and family dynamics. They have appeared on more than one hundred radio shows across the country and in Great Britain and on many television shows including The Today Show, Good Day New York, and a special on CNBC.