Sanctuary Staff

Michelle Johnston
Sanctuary Superintendent
michelle.a.johnston@noaa.gov
409-356-0392

Dr. Michelle Johnston joined the Flower Garden Banks National Marine Sanctuary team in 2012, and has been with the sanctuary program since 2010. She has served in a variety of roles, including marine ecologist within the headquarters science division and both research ecologist and research coordinator at FGBNMS. Michelle also served as acting deputy superintendent at National Marine Sanctuary of American Samoa. Michelle brings a wide variety of expertise across multiple fields of sanctuary management, including applied science, outreach, and community engagement. She is a NOAA divemaster and has expertise in coral reef ecology and invasive species management. Michelle has previously been a scuba dive team member at the Seas Aquarium in Florida, a sea turtle field biologist in South Carolina, as well as a marine educator and surf instructor in North Carolina, Australia, the Bahamas and Hawaii.

Michelle's academic studies started at the University of North Carolina-Wilmington in marine biology, where she rehabilitated sick and injured sea turtles, and continued at the University of South Carolina, where she completed her M.S. and Ph.D. in Environmental Health Science, researching bacterial pathogens in coastal waters. After graduate school, Michelle was awarded a NOAA Sea Grant Knauss Marine Policy fellowship with NOAA’s Office of National Marine Sanctuaries.

 

Taylor Galaviz (Affiliate)
Constituent Engagement Specialist, Acting Education Coordinator
taylor.galaviz@noaa.gov
409-203-3012

Taylor Galaviz joined the Flower Garden Banks National Marine Sanctuary team in August 2023. As Constituent Engagement Specialist, she is responsible for interacting with the sanctuary's various constituencies. This includes serving as the Sanctuary Advisory Council coordinator, interfacing with local Ocean Guardian Schools, and supporting numerous education and outreach efforts. Taylor holds a B.S. in Marine Biology from Texas A&M University at Galveston. During her career, she has held informal education positions in zoos and parks. Taylor is a Certified Interpretive Guide with the National Association of Interpretation (NAI).

Desda Sisson
Vessel Operations Coordinator
desda.sisson@noaa.gov

LTJG Desda Sisson, a NOAA Corps Officer, joined Flower Garden Banks National Marine Sanctuary in December 2023 as the Vessel Operations Coordinator. Desda oversees all operations pertaining to the sanctuary vessel, R/V MANTA. Prior to this assignment she served two years aboard the NOAA Ship Nancy Foster as a junior officer.

Prior to her appointment as a commissioned officer in the NOAA Corps, Desda was the Diving Safety Officer of Field Operations for the Aquarium of the Pacific in Long Beach, CA from 2016-2021. Desda holds a B.S in Marine Biology and Scientific Diving from Cal Poly Humboldt in Arcata, CA. She is an accomplished diver and vessel operator, holding certifications as a NAUI Dive Instructor, an AAUS Scientific Diver and Instructor, CCR Air Diluent Diver and holds a 100-ton USCG license. 

Justin Blake (Affiliate)
Captain, R/V MANTA
justin.blake@noaa.gov

Justin Blake, a 500-ton master captain and U.S. Coast Guard registered boat builder, joined Flower Garden Banks National Marine Sanctuary in May 2018. Justin has a Bachelor degree from the University of Florida where he also earned his advanced certification in scuba diving. He is a member of several sailboat racing teams and in 2013 finished the Transpacific Yacht Race from Long Beach, California to Honolulu, Hawaii.

Born and raised in Florida and living for a decade in Southern California, Justin enjoys many water sports including surfing, kite-boarding & wake-skating. He has invested his entire life in the marine industry and enjoys working to help it be here for future generations to enjoy.

Olivia Eisenbach (Affiliate)
Research Specialist
olivia.eisenbach@noaa.gov
409-356-0384

Olivia Eisenbach joined the Flower Garden Banks National Marine Sanctuary team in June 2022. She manages the fish data, invasive species data and research, and the manta ray identification catalog. Prior to joining the sanctuary team, she conducted research on red snapper in the Gulf as a research associate at Auburn University. She has a Bachelor of Science degree in Marine Biology from James Cook University and a Master of Research in Marine Biology from the University of Plymouth. Olivia has a background in fish and coral reef ecology and has participated in research all over the globe.

Learn more about Olivia Eisenbach | Research Operations Specialist III

Jacque Cresswell (Affiliate)
Research Specialist
jacque.cresswell@noaa.gov

Jacque Cresswell joined the Flower Garden Banks National Marine Sanctuary team in May 2022. She has a B.S. in Marine Biology with a Scientific Diving minor from Cal Poly Humboldt University in Northern California. While in California, Jacque volunteered with Reef Check, supporting research of kelp forest ecosystems along the west coast. Later, she earned a Ph.D. in Marine Biology from Texas A&M University at Galveston, where she conducted research in underwater cave systems in Bermuda. Jacque has since supported the Texas Parks and Wildlife Department's Artificial Reef Program, served as a volunteer scientific diver for FGBNMS, and worked as a diving instructor through Texas Scuba Adventures.

 

Donavon French (Affiliate)
Research Specialist
donavon.french@noaa.gov
409-356-4550

Donavon French joined Flower Garden Banks National Marine Sanctuary in early 2022 as a seasonal diver before stepping into a full-time research specialist position later that year. As a NOAA research diver and camera specialist, he is responsible for the upkeep and management of the research team's scientific camera systems and making sure these cameras are ready for offshore diving. Donavon also leads the photogrammetry and modeling efforts for the East and West Flower Garden Bank long-term monitoring programs to track disease and coral health at a larger scale than ever before. In addition to his research duties, he serves as the Assistant Diving Safety Officer and a NOAA Divemaster for the site through helping coordinate the SCUBA diving and diving equipment that the research team uses both on and offshore. He holds a B.S. in Marine Biology from Texas A&M University at Galveston and is a NAUI SCUBA instructor.

Ryan Hannum (Affiliate)
Research Specialist
ryan.hannum@noaa.gov
409-356-0389

Ryan Hannum joined the Flower Garden Banks National Marine Sanctuary team in 2021. Prior to joining the sanctuary team, he obtained his B.S. in Biology at Oregon State University and completed other coursework pertaining to the zoo and aquarium industry. In 2015, Ryan began working at the Aquarium at Moody Gardens as a coral conservation biologist. He worked as a partnered member of the Florida Reef Tract Rescue Project, housing and caring for 100+ coral colonies endemic to the Florida Reef Tract that have been devastated by Stony Coral Tissue Loss Disease. During his tenure with Moody Gardens, Ryan served as a volunteer scientific diver for FGBNMS where he has been able to contribute his hands-on knowledge of coral biology to the benefit of the corals within the banks.

Ryan's focus is on water quality monitoring and data analysis as part of the sanctuary's long-term monitoring efforts while continuing to provide knowledge and experience to a variety of other sanctuary projects. Ryan is also responsible for the sanctuary's mooring buoy management program that helps to provide access to the sanctuary for recreationalists.

 

Josh Harvey (Affiliate)
Research Specialist
josh.harvey@noaa.gov

Josh comes from a unique background as a U.S. Army Guard flight paramedic/combat medic, paramedic, and firefighter, offering a unique skill set for the research team. Over the past five years, He has also been an active volunteer NOAA diver, crewed the sanctuary’s research vessel, and helped lead citizen science invasive species removals. Josh supports the FGBNMS research team as a mooring buoy specialist and research diver.

Marissa Nuttall (Affiliate)
Research Specialist, Acting Research Coordinator
marissa.nuttall@noaa.gov
409-356-0391

Marissa joined the Flower Garden Banks National Marine Sanctuary research team in 2007. She manages the long-term monitoring program at Stetson Bank, supports mesophotic ecosystem research both within and around the sanctuary, and leads GIS support for research and management activities. Marissa also serves as the Unit Diving Supervisor for the FGBNMS dive unit and has coordinated and led multiple research expeditions utilizing SCUBA and remotely operated vehicles. She is a graduate of Texas A&M University at Galveston and holds a M.Sc. in Marine Biology.

 

Kelly O'Connell (Affiliate)
Research Specialist
kelly.oconnell@noaa.gov
409-356-0387

Kelly O'Connell joined the Flower Garden Banks National Marine Sanctuary team in 2018. Though originally from Chicago, she graduated from University of South Florida with a B.S. in biological science where she studied Symbiodinium-associated microbial communities and their role in coral reef resilience. She obtained her master's degree from the University of Miami where she investigated the association of water temperature anomalies with measurements of white plague in Orbicella coral species.

Prior to joining the FGBNMS team, Kelly assisted with long-term monitoring and data management at the National Park Service South Florida Caribbean Network. There she used decades of monitoring data to quantitatively define disease outbreak. After graduate school, Kelly worked as a research technician performing coral and fish surveys with NOAA Southeast Fisheries under the National Coral Reef Monitoring Program in the Florida Keys and the U.S Virgin Islands. As a sanctuary research specialist, she assists with the long-term monitoring of FGBNMS reefs and provides support for data analysis and various other research projects.