Dr. Messer began teaching in 1984 with the International Foundation for Homeopathy. In 1993, he became the dean of the National Center for Homeopathy’s prestigious summer school. In 1988, Dr. Messer completed post-graduate training and board examinations to become among the very first NDs in the U. S. to obtain board certification by Homeopathic Academy of Naturopathic Physicians (DHANP). He has instructed homeopathy at the National College of Natural Medicine and Southwest College of Naturopathic Medicine.
He has received many awards including the prestigious Henry N. Williams Professional Service Award from the National Center for Homeopathy. He was voted the top homeopathic physician in the Phoenix area in the 2013 Natural Choice Awards of the Natural Awakenings magazine. He has previously directed both clinical trials and homeopathic drug “provings.”