David C. Pollock (Author)
David C. Pollock worked with TCKs and adult TCKs for more than twenty years and logged thousands of miles conducting seminars and conferences for TCKs, their parents, and sponsoring organizations.
Ruth E. Van Reken (Author)
Ruth E. Van Reken, herself an adult TCK and a parent and grandparent of TCKs, is author of one of the first books written about the TCK experience, Letters Never Sent.