David Pesek is a rather infamous woo practitioner who panders the most ridiculous treatments. He has a “clinical practice in nutrition, tissue cleansing programs and psychology utilizing iridology”, and is the director of the International Institute of Iridology, the president of the American College of Iridology, and board advisor for the International College of Iridology. It is a little unclear what the difference between iridology and “holistic iridology” amounts to, but I suppose “psychology utilizing iridology” may give you a clue. It sounds not so much like phrenology as it does palm reading with the help of crystal balls...
Read on for more balls: Encyclopedia of American Loons: #318: David J. Pesek (and the “Quantum University”)