Kevin Speer


  • Phone: 644-5594
  • Kevin has been the director of GFDI since 2011 and has been an active associate for his entire time at FSU. Kevin is a sea-going oceanographer whose research ranges from the global ocean circulation to the dynamics of hydrothermal plumes.

Catherine Hancock



Vijaya Challa

Office Manager

  • Office Manager

Vijaya has been with the institute since its founding.  She was responsible for soldering the 3000+ temperature probes for the large annulus experiment.  Now she manages the office and most of the goings-on in the institute. If you have any questions, talk to her first!

Anthony Diaz

IT Support Specialist

  • 644-4941

Donna Samaan - Grant Specialist

Grant Specialist

  • 644-5595
  • Donna is responsible for the daily administration of contracts and grants in GFDI. She also assists the Director and Affiliates with proposal development and submission. 
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