M. Dennis Hanisak, 73, of Vero Beach, FL a member of the faculty at Florida Atlantic University's Harbor Branch Oceanographic Institute in Fort Pierce, died earlier this week. We wrote about the dream of M. Dennis Hanisak, Ph.D, Research Professor, Director of Education and Marine Ecosystem Health at HarborBranch (Florida Atlantic University) on September 15, … Continue reading M. Dennis Hanisak, of Vero Beach Dies at 73. A Faculty Member of Florida Atlantic University’s Harbor Branch Oceanographic Institute in Fort Pierce, FL.