Valerie E. Whiffen, PhD, has been a researcher, professor, and psychologist in private practice since 1986. For twenty years, she was a researcher and professor of psychology, first at the University of Western Ontario, then at the University of Ottawa. After publishing the hardcover edition of A Secret Sadness in 2006, she moved to Vancouver, BC, where she is now in private practice. Whiffen continues to be actively interested in research and holds a research grant to study couple relationships in breast cancer patients. She also serves as a peer reviewer and sits on the editorial boards for several professional psychology journals. Since 2008, she has been an elected member of the Board of the College of Psychologists of British Columbia. In addition to A Secret Sadness, she has authored numerous chapters in professional books, more than forty research articles, and coauthored Attachment Processes in Couple and Family Therapy with Susan Johnson. Her primary research and clinical interests are gender and depression.