TSC Membership

The Tribal Science Council is a bicameral Council comprising of Agency Representatives from each of EPA’s regions and headquarters program offices and Tribal Representatives from each EPA region with federally recognized Tribes, including representation for Alaska Native villages. The membership is vital to understanding and addressing Tribal science priority issues to protect human health and the environment in Indian country. 

On this page:

Council Leadership 

Tribal Co-Chair

Shasta Gaughen
Pala Band of Mission Indians
[email protected]
A woman with short, curly blonde hair and dark rimmed glasses.

Tribal Vice Chair

Page Hingst
Santee Sioux Nation of Nebraska
[email protected]
A woman with medium brown hair in an updo and glasses.

EPA Co-Chair

Marie Schaefer
Office of Research & Development
[email protected]
Black icon of a person on a blue background

ORD Liaison

Tim Canfield
Office of Research & Development
[email protected]
A person with a bald head and short dark goatee, smiling.

Executive Secretary

Monica Rodia
Office of Research & Development
[email protected]
A woman with black shoulder length hair

Support Staff

Alice Millikin
Office of Research & Development
A woman with long brown hair and a white shirt.
Kristen LeBaron
Scientific Consulting Group
A woman with long auburn hair parted on the side.

Tribal Representatives

Region 1

William (Billy) Longfellow, Passamaquoddy at Sipayik
Black icon of a person on a blue background
 

Region 2

Neil Patterson, Jr., Tuscarora Nation
Black icon of a person on a blue background
Alternate: Bryan Printup, Tuscarora Nation—HETF
Black icon of a person on a blue background

Region 3

Dana Adkins, Chickahominy Indian Tribe
A man with short gray hair and goatee. He is wearing glasses and a gray polo shirt.
Alternate: Jessica Phillips, Chickahominy Indian Tribe Eastern Division
A woman with very short brown hair and glasses. She is smiling and wearing dangly earrings, a dark blazer, and a red top.

Region 4

Katie Tiger, Eastern Band of Cherokee Indians
A person with long dark hair and beaded earrings.

Alternate: Nicklaus Shumake, Mississippi  Band of Choctaw Indians

Black icon of a person on a blue background
Alternate: Jerry Cain, Mississippi Band of Choctaw Indians
Black icon of a person on a blue background

Region 5

Scott Walz, Shakopee Mdewakanton Sioux Community
A man with short brown hair and a gray goatee, wearing glasses.
Alternate: Krishna Woerheide, Grand Portage Band of Lake Superior Chippewa
A person smiling with dark curly hair pulled back in a ponytail.

Region 6

Heather Webb, Miami Tribe of Oklahoma
A woman with light skin and shoulder length blonde hair. She is smiling and wearing a light blue shirt.
Alternate: Leah Snyder, Fort Sill Apache Tribe 
A woman with long blonde hair, smiling.

Region 7

Page Hingst, Santee Sioux Nation of Nebraska
A woman with medium brown hair in an updo and glasses.
Alternate: Misha Mazurkewycz, Ponca Tribe of Nebraska
A woman with brown hair with bangs and dark rimmed glasses.

Region 8

Joshua Tweeton, Spirit Lake Tribe
A man with short dark hair, wearing a blue plaid button up and a gray and black jacket.
Alternate: Cora Champagne, Turtle Mountain Chippewa
Black icon of a person on a blue background

Region 9

Shasta Gaughen, Pala Band of Mission Indians
A woman with short, curly blonde hair and dark rimmed glasses.

Region 10 (ID, OR, WA)

Lee Juan Tendoy, Shoshone-Bannock Tribes
Black icon of a person on a blue background
Alternate: Kelly Wright, Shoshone-Bannock Tribes
Black icon of a person on a blue background

Region 10 (AK)

Joy Britt, Chignik Bay Tribal Council
A woman with dark hair in a high bun and silver hoop earrings. She is smiling.
 
 

Agency Representatives

Region 1

Matthew Hanington
Black icon of a person on a blue background
Alternate: Ian Dombroski
A person with short dark hair and a beard, smiling.

EPA Region 1 Tribal Program Website

Region 2

Kai Tang
Black icon of a person on a blue background

EPA Region 2 Tribal Program Website 

Region 3

Barbara Okorn
A woman with light skin, glasses, and shoulder length medium blonde hair. She is wearing a pink collared shirt.
Alternate: Regina Poeske
Black icon of a person on a blue background

EPA Region 3 Tribal Program Website

Region 4

Dawn Taylor
A woman with curly brown hair and glasses.

EPA Region 4 Tribal Program Website 

Region 5

Janette Marsh
A woman with white hair and an off white tshirt.
Alternate: Mari Nord
A woman with brown hair in a ponytail. She is wearing waders and is standing at the edge of a lake.

EPA Region 5 Tribal Program Website

Region 6

LaDonna Turner
A woman with light skin, long auburn hair, and a dark shirt. She is standing in front of a gray background and American flag.

EPA Region 6 Tribal Program Website 

Region 7

Laura Webb
Black icon of a person on a blue background
Alternate: Stanley Holder
Black icon of a person on a blue background

EPA Region 7 Tribal Program Website

Region 8

Troy Hill
A man with light skin, very short brown hair and beard. He is standing in front of the EPA Flag.
Alternate: Ándrea (Ándie) Guajardo
Black icon of a person on a blue background
Alternate: Benjamin (Ben) Carlson
Black icon of a person on a blue background

EPA Region 8 Tribal Program Website

Region 9

Matt Small
A man with gray hair and a gray beard. He is wearing glasses.

EPA Region 9 Tribal Program Website 

Region 10

Rory O'Rourke
A man with short dark hair and dark stubble, standing in front of an EPA flag.

EPA Region 10 Tribal Program Website 

American Indian Environmental Office

Francine St. Denis

Black icon of a person on a blue background

Office of Air and Radiation

Charles (Chuck) Buckler

A person with short hair, smiling.

Office of Children's Health Protection

Theodore (Ted) Coopwood

A man with short salt and pepper hair, smiling. He is wearing a dark suit jacket and red tie.

Office of Chemical Safety & Pollution Prevention

Jason Todd
A person with short dark hair and a blue and white checkered shirt. They are smiling.
Alternate: Kelly Cunningham
Black icon of a person on a blue background

Office of Land & Emergency Response

Kelly O'Neal

Black icon of a person on a blue background

Office of Mission Support

Elizabeth (Beth) Jackson

A woman with shoulder-length dark hair.

Office of Research & Development Liaison

Tim Canfield

A person with a bald head and short dark goatee, smiling.

Office of Water

Amina Pollard

Black icon of a person on a blue background

Tribal Science Council

Contact Us About the Tribal Science Council
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 5, 2025