Official Listing of CFIA Accredited Seed Graders in U.S. 

Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Sharon Davidson

Agri Seed Testing 

1930 Davcor Ct. SE 

Salem, OR 97302 

Phone: (503) 585‐1440 

Fax: (503) 588‐0733 

Email: sdagriseed@comcast.net

GD7000 Groups 1, 2, 3, 4, 5, 6 December 31, 2023

Laura Carlson

SoDak Labs, Inc. 

300 32nd Avenue, Suite C 

Brookings, SD 57006 

605.692.2758 (W) 

Email: Laura.Carlson@SoDakLabs.com

GD7006 Groups 1,2,3,4,5,6 December 31, 2023

Tom Mager

Indiana Crop Improvement Association

7700 Stockwell Rd.

Lafayette, IN 47909

1-866-899-2

mager@indianacrop.org

GD7036 Groups 1,2,3,4,5,6 December 31, 2023

Ernest Allen

Federal Seed Laboratory

Seed Regulatory and Testing Branch 

Suite C 

801 Summit Crossing Place 

Gastonia, NC 28054‐2193 

Phone: (704) 810‐8877 

Fax: (704) 852‐4189

Email: ernest.allen@ams.usda.gov

GD7025 Groups 1,2,3 December 31, 2023
Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Todd Erickson

Federal Seed Laboratory

Seed Regulatory and Testing Branch 

Suite C 

801 Summit Crossing Place 

Gastonia, NC 28054‐2193 

Phone: (704) 810‐8871 

Fax: (704) 852‐4189 

Email: todd.erickson@ams.usda.gov 

GD7009 Groups 1,2,3,4,5,6 December 31, 2023

Laura Wood

Corteva Agriscience

1000 West Jefferson Street

Tipton, IN 46072

Phone: (765) 675-210

Fax: (765) 675-876

Email: laura.wood@corteva.com

GD7010 Groups 1, 2, 3, 4, 5, 6 December 31, 2023

Geetha Bangalore

Turf Tech, Inc.

33789 Hwy 99E

Post Office Box 287

Tangent, OR 97389

Phone: (541) 926-395

Fax: (541) 926-537

Email: test1st@aol.com

GD7012 Groups 1,2,3,4,5,6 December 31, 2023

Nicolette Hard

Eurofins Biodiagnostics, Inc.

507 Highland Dr.

River Falls, WI 54002

715-426-0246 ext. 1

NicoletteHard@eurofins.com

GD7037 Groups 1,2,3,4,5,6 December 31, 2023
Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Cindy Davis

21 N 1st Avenue, Suite 203, 

Yakima, Washington 98902

Phone: (509) 249-695

Fax: ((509) 454-4395

Email: cdavis@agr.wa.gov

GD7019 Groups 1,2,3,4,5,6 December 31, 2023

Terri Cox

21 N 1st Avenue, Suite 203, 

Yakima, Washington 98902

Phone: (509) 249-695

Fax: (509) 454-4395

Email: tcox@agr.wa.gov 

GD7020 Groups 1,2,3,4,5,6t December 31, 2023

Amy Benfiet

21 N 1st Avenue, Suite 203

Yakima, Washington

Phone: (509) 249-695

Fax: (509) 454-439

Email: abenfiet@agr.wa.gov

GD7021 Groups 1,2,3,4,5,6 December 31, 2023

Maryanne Tegen

21 N 1st Avenue, Suite 203 

Yakima, Washington 98902

Phone: (509) 249-695

Fax: (509) 454-439

Email: mtegen@agr.wa.gov 

GD7022 Groups 1,2,3,4,5,6 December 31, 2023
Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Nancy Jones

21 N 1st Avenue, Suite 203 

Yakima, Washington 98902

Phone: (509) 249-695

Fax: (509) 454-439

Email: njones@agr.wa.gov

GD7024 Groups 1,2,3,4,5,6 December 31, 2023

Josh Keating

SGS

1405 32nd Ave.

Brookings, SD 57006

Phone: (605) 692-761

Fax: (605) 692-761

Email: josh.keating@sgs.com

GD 7027 Groups 1,2,3,4,5,6 December 31, 2023

Jean Granum

SGS

1405 32nd Ave.

Brookings, SD 57006

Phone: (605) 692-761

Fax: (605) 692-761

Email: jean.granum@sgs.com

GD 7028 Groups 1,2,3,4,5,6 December 31, 2023

Sarah Dammen

SGS

1405 32nd Ave.

Brookings, SD 57006

Phone: (605) 692-761

Fax: (605) 692-761

Email: sarah.dammen@sgs.com

GD 7029 Groups 1,2,3,4,5,6 December 31, 2023

Heidi Larson

SGS

1405 32nd Ave.

Brookings, SD 57006

Phone: (605) 692-761

Fax: (605) 692-761

Email: heidi.larson@sgs.com

GD 7030 Groups 1,2,3,4,5,6 December 31, 2023
Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Melissa Phillips

Bayer Seed Technology Center

460 E. Adams St.

Waterman, IL 60556

Phone: 815-264-81

Email: Melissa.phillips@bayer.com

GD 7032 Groups 1,2,3,4,5,6 December 31, 2023

Steve Beals

Illinois Crop Improvement Association

3105 Research Road

Champaign, IL 61822

217-359-40

sbeals@ilcrop.com

GD7033 Groups 1,2,3,4,5,6 December 31, 2023

Chase Mowry

Minnesota Crop Improvement 

Association

1900 Hendon Ave.

St. Paul, MN 55108

612-625-77

Chase.mowry@mncia.org

GD7039 Groups 1,2,3,4,5,6 December 31, 2023

Laura Donaldson

Indiana Crop Improvement Association

7700 Stockwell Road

Lafayette, IN 47909

765-366-33

donaldson@indianacrop.org

GD7038 Groups 1,2,3,4,5,6 December 31, 2023

Kelly Grief

Corteva Agriscience

7150 NW 70th Ave.

Johnston, IA 50131

Kelly.grief@corteva.com

515-535-64

GD7040 Groups 1,2,3,4,5,6 December 31, 2023
Accredited Seed Grader GD Grader 

No. 

Scope Accreditation Valid 

Through 

Shaminder Miranpuri

Wisconsin Crop Improvement 

Association

8520 University Greeen

Middleton, WI 53562

Shaminder.miranpuri@yahoo.com

608-770-83

GD7041 Groups 1,2,3,4,6 December 31, 2023

Jessica Blake

Seed Science Center

2115 Osborn Dr.

Iowa State University

Ames, IA 50011

jdwilker@iastate.edu

515-294-01

GD7042 Groups 1,2,3,4,5,6 December 31, 2023