Our Team

Leadership Team

A white woman with blond hair looking into the camera and smiling. She wears a shirt with the ZDR3 logo on it

Julia Wilder

EXECUTIVE DIRECTOR & CO-FOUNDER

Julia has served in a variety of roles in the zoological industry for over 20 years, with a focus on risk mitigation, preparedness, response, and recovery work at exotic animal facilities. She co-founded ZDR3 in 2019.

A white man with brown hair wearing a blue shirt sits in front of an elephant exhibit, with two elephants in the background

Michael Fouraker

Mike Fouraker has spent his 50-year career working in zoological institutions. A founding member of ZDR3, he has been the Director of the Fort Worth Zoo since 1993.

PRESIDENT

A white man in a black shirt and hat stands in a room in front of a bunch of buckets and gathered supplies. He is smiling at the camera

Eric Trager

VICE PRESIDENT

Eric Trager is the Director of the Animal World & Snake Farm Zoo in New Braunfels, TX. He is a founding member of ZDR3.

A white woman in a white visor holds onto a baby giraffe while a second pair of hands holds a bottle to its mouth

Susan Kleven is the Director of the Frank Buck Zoo in Gainsville, Texas. A founding member of ZDR3, Susan is the Secretary of our Board of Directors.

SECRETARY

Susan Kleven

A professional headshot of a bald white man in formal clothing looking directly into the camera and smiling

Tim Morrow

DIRECTOR

Tim Morrow is the President & CEO of San Antonio Zoological Society. Prior to joining the zoo, Tim had a 24-year career in the theme park industry. Tim joined ZDR3’s board in 2025.

A professional headshot of a white man with grey hair in formal clothing. He is looking into the camera and smiling.

DIRECTOR

Bill Street

Bill Street has been a leader within the zoology, education, and conservation sectors for nearly 35 years.  In 2024, Bill began serving as the President and CEO of Zoo Knoxville. Bill joined ZDR3’s board in 2025.

All ZDR3 leadership and staff have responded to disaster events at non-domestic animal facilities.

A man carries two containers of liquid through a gathering of cars and other people
A woman wearing the ZDR3 logo on her shirt stands outdoors in front of trees. She uses a clipboard while a man uses a chainsaw in the background
A woman in a hard hat and orange vest is looking int othe camera in front of fallen trees
A man writes on a clipboard facing away from the camera, in front of a massive tree that has partially fallen over
A woman stands in front of a stove, in the middle of cooking. She is looking at the camera
A woman wearing a ZDR3 logo watches as multiple people work on clearing fallen trees

Staff

A portrait of a white woman with brown hair and glasses looks into the camera. The edge of a ZDR3 logo is visible on her shirt.

Mandy Matson

COMMUNICATIONS DIRECTOR

communications@zdr3.org

A portrait of a white woman with short brown hair pulled back out of her face looks into the camera. The edge of a ZDR3 logo is visible on her shirt.

Melanie Messer

ADMINISTRATION MANAGER

melanie@zdr3.org

A portrait of a white woman with brown hair pulled back out of her face smiles into the camera. The edge of a ZDR3 logo is visible on her shirt.

Cari Wittenborn

OPERATIONS MANAGER

cari@zdr3.org

Other Team Members

A woman with long dark brown hair smiles into the camera

Kelly Trager

BOOKKEEPER

A white woman with long brown hair in braids and sunglasses on her head smiles into the camera

Rachel Garner

CONTRIBUTING WRITER

An older white woman with short grey hair smiles into the camera

Evelyn Reis

RESEARCH