REEF Staff

Click HERE to see bios of our wonderful team!


Martha Klitzkie, Co-Executive Director: Strategy & Operations,

Christy Pattengill-Semmens, Ph.D., Co-Executive Director: Science & Engagement,


Program Staff

Sierra Barkdoll, Citizen Science Coordinator,

Alexa "Lex" Bryant, Conservation Science Associate,

Alli Candelmo, Ph.D., Conservation Science Manager,

David Ehlert, Campus Coordinator,

Stacey Henderson, Program Services Coordinator,

Amy Lee, Engagement and Communications Manager,

Jen Loch, Ph.D., Research Associate,

Madalyn "Moose" Mussey, Education and Outreach Program Manager,

Janna Nichols, Citizen Science Program Manager,

Hilary Penner, Education and Conservation Programs Manager,



Marine Conservation Interns - click here to see current and past REEF Interns

Marine Conservation Fellows - click here to see current and past REEF Fellows

Leadership Interns - click here to see past REEF Lead Interns


REEF Campus Volunteer Staff

Jane Bixby, Office Assistant, REEF HQ,

Marta Bonatz, Key Largo Volunteer Coordinator, REEF HQ,

Nancy Perez, Key Largo Events Coordinator, REEF HQ,

REEF Interns, REEF HQ,


REEF Trips,, 305-588-5869

REEF Store and Online Order Inquiries,

Donation and Planned Giving Inquiries,

Great Annual Fish Count REEF HQ GAFC Website:

James E Lockwood REEF Headquarters
    P.O. Box 370246; 98300 Overseas Hwy
    Key Largo, FL 33037 USA
    305-852-0030 (o), 305-852-0301 (fax)