Demosthenes Lorandos is a first generation American of Greek and Australian descent. In the 1960s he studied science at the New School for Social Research in New York City. He has been a clinical and then forensic psychologist for more than five decades and is licensed at the highest level as a psychologist in California and Michigan. In the 1980s he studied law with the Jesuits at the University of Detroit and became a trial attorney admitted to practice in New York, Washington, D.C., California, Michigan, Tennessee, many Federal District Courts; as well as the Second, Sixth, Ninth, and Eleventh Federal Circuits. Dr. Lorandos has been a member of the bar of the United States Supreme Court for more than two decades. He has litigated pro hac vice in twenty additional state and federal courts.

Dr. Lorandos has been a peer reviewer for the journals of law and science. He has published a variety of peer-reviewed scientific papers as well as law review and law journal articles in the last four decades. He is a key author in science and evidence law for Thomson Reuters Westlaw®. He has five books in print and has written numerous chapters for forensic science and legal texts. He is regularly asked to teach forensic science and legal advocacy in the continuing education programs of law and the forensic sciences. Dr. Lorandos is the editor-in-chief of the three-volume set, The Litigators Handbook of Forensic Medicine, Psychiatry and Psychology, and his two-volume set Cross Examining Experts in the Behavioral Sciences was published in 2000 and updated annually for twenty years.