As a tour director certified through the International Tour Management Institute (ITMI), Manuel Marquez, MD, draws on diverse professional experience. He managed a bilingual Spanish-English medical practice in Oxnard, California, for more than 18 years, during which time he saw to the needs of more than 2,500 patients while managing a thriving staff education program. In 1998, Manuel Marquez, MD, took on the additional role of department chair for the Buenaventura Medical Group's Oxnard office. Dr. Marquez played a key role in several of the practice's quality improvement programs over the course of his 18 year tenure, then was promoted to Medical Executive Officer of the group's Ventura County practice.

In Ventura County, Manuel Marquez, MD, codeveloped strategic initiatives and led the implementation of a new electronic health record system. He went on to play a key role in Buenaventura's merger with the Southern California Permanente Medical Group, which he served as the assistant area medical director for western Ventura County for three years. Dr. Marquez continues to serve in leadership positions as the Treasurer and member of the board of the International Forum for Psychoanalytic Education and as an experienced ITMI-certified tour director for destinations across the western United States.