Our Team Research Team in Dallas / Houston, Texas Our Team The dedication of our research team led by Dr. Harold Minkowitz and Dr. David Leiman, is evident in the success of HD Research. Together they have a strong clinical resume with many years of research experience. Apart of the ERG Network. Our Research Team in Dallas / Houston, Texas Dr. Harold Minkowitz Director Clinical Investigation Read Bio Dr. David Leiman Founder/Director Read Bio Dr. D'Aunno Principal Investigator Read Bio Dr. J Richard Evanson Principal Investigator Jeny Rendon Site Manager Jayme Carr Site Director Read Bio Lauren Howard Regional Director Read Bio