Ag Commission

The Colorado Agricultural Commission is a group of nine agricultural leaders appointed by the Governor and confirmed by the State Senate. They are responsible for making recommendations to the Commissioner, the Governor and the General Assembly regarding agricultural issues within the state; developing policies for preparing and enforcing rules and regulations related to agriculture; reviewing and approving all rules and regulations prior to adoption by the Commissioner; developing general policy for managing the agriculture department; and approving and monitoring the agriculture department's budget.


Current Meeting Schedule



Current Agenda

February 08, 2023: Agenda

Past Agendas
2/13/2019 Agenda
4/10/2019 Agenda
6/12/2019 Agenda
9/17/2019 Agenda
10/23/2019 Agenda
11/15/2019 Agenda
12/18/2019 Agenda
1/8/2020 Agenda
2/12/2020 Agenda
3/11/2020 Agenda
3/21/2020 Agenda
4/8/2020 Agenda
5/13/2020 Agenda
6/10/2020 Agenda
7/8/2020 Agenda
8/12/2020 Agenda
9/10/2020 Agenda
10/14/2020 Agenda
11/12/2020 Agenda
12/12/2020 Agenda
1/13/2021 Agenda
2/10/2021 Agenda
3/10/2021 Agenda
4/14/2021 Agenda
5/12/2021 Agenda
6/9/2021 Agenda
7/14/2021 Agenda
8/10/21 Agenda
9/08/2021 Agenda
10/13/2021 Agenda


12/8/2021 Agenda
01/12/2022 Agenda  |   New Members Orientation
02/09/2022 Agenda
03/16/2022 Agenda
03/30/2022 Agenda
04/13/22 Agenda
5/11/22 Agenda


6/22/22 Agenda
7/13/22 Agenda
8/10/22 Agenda
9/14/22 Agenda
10/12/22 Agenda
11/01/22 Agenda
12/14/22 Agenda
01/11/23 Agenda

Past Minutes


All meetings, unless otherwise noted, are located at:

Colorado Department of Agriculture
305 Interlocken Parkway
Broomfield, CO 80021

Ag Commission Members

Segundo Diaz portrait

Chair: Segundo Diaz, (R)

Dist. 3, 3rd term/Expires 2023

Segundo Diaz and his wife own and manage Martinez Farms, a 2500-acre certified seed potato farm in the San Luis Valley. Segundo holds a master’s degree in business administration from Adams State College, a master’s degree in irrigation engineering from Utah State University and a bachelor’s degree in agricultural engineering from Agrarian National University in Lima, Peru. He is an active member of the Colorado Certified Potato Growers Association and served a three year term appointment to the Seed Task Force for Export on the U.S. Potato Board. Segundo’s deep industry involvement also includes work on the National Potato Council’s Market Access Program as part of its international delegation to Mexico, Uruguay and Brazil. Three of his four sons work with Segundo and his wife on Martinez Farms.


Brant Harrison portrait

Brant Harrison, (R)

Dist. 4, 2nd term/Expires 2023

Brant Harrison bought his first orchard in 1979 and increased his acreage from his original five acres to more than 70 acres of fruit trees. In 1991 he converted his entire operation to organic farming and is now one of the largest organic peach producers in Colorado. Along with farming full time, Brant has served on Mesa County Pest District Board, Colorado Department of Agriculture Pesticide Advisory Board, Western Colorado Horticulture Society Board and Mesa County Farm Bureau Board. He has completed the Colorado Agriculture and Rural Leadership Program through Colorado State University and the Farm Bureau Elite Leadership Academy. Brant strives to be an effective part of the process that keeps agriculture going strong in Colorado. He and his wife have two children who now farm with them.


Kathryn Bedell portriat

Kathryn Bedell, (D)

Dist. 4 At-Large, 1st term/Expires 2023

Kathryn Bedell, DVM is a self-employed livestock producer and local meat seller. She moved on to Roan Creek Ranch in 1999 and began selling grass-fed beef in 2004. She added sheep to the ranch in 2007, pork to the product line in 2009 and opened Roan Creek Ranch Grocery in 2014. Kathryn holds a bachelor’s degree in biology from Mount Holyoke College, a master’s degree in biology specializing in animal behavior from the University of California, Los Angeles, and a D.V.M. from the University of California, Davis. Kathryn has taught adaptive horseback riding, served on the energy advisory board in Garfield County, and has been an advocate for local food. Her latest projects include advocating for a regional animal slaughter and fabrication facility and a local food distribution network.


George Whitten portrait

George Whitten, (D)

Dist. 3 At-Large, 1st term/Expires 2023

George Whitten was born into ranching in Saguache, Colorado. His Grandfather W.E. Whitten established a sheep, cattle and farming operation in the Northern end of the San Luis Valley in 1893. George has been actively involved in managing this ranching operation since 1973. George is knowledgeable in all phases of sheep and cattle production and specializes in grass finishing techniques, genetics, soil health, organic production and certification, restorative ranching practices and marketing. He has been applying holistic management principles to his ranch for 34 years.  George served on the Board of Directors of the Rio Grande Water Conservation District for more than 25 years, is a founding member and current president of Sweet Grass Co-op and together with his wife is a founding mentor of the Quivira Coalition New Agrarian Ranch agriculture apprentice program.


Colleen Peppler portrait

Colleen Peppler, (D)

Dist. 2 At-Large, 1st term/Expires 2023

Colleen Peppler was born and raised on a dryland wheat farm in Washington County, Colorado. She and her husband own and operate 500 irrigated acres along the front range, currently raising alfalfa hay, corn, wheat and brewing barley. Colleen attended Northeastern Junior College and Colorado State University and holds a bachelor’s degree in vocational home economics education and a master’s degree in educational leadership.  She was a teacher for 21 years and an assistant high school principal for 10 years. Colleen is an agriculture spokesperson for Common ground, a group of more than 200 farm women across 20 states, and serves on the Board of Directors for Colorado Foundation for Agriculture. She and her husband have a grown son and daughter who are both managing partners of Peppler Farms, LLC. The Peppler/Muhme Farm is a designated Colorado Centennial Farm.


Nick Trainor

Nick Trainor, (UN)

Dist. 2 At-Large, 1st term/Expires 2025

Nick Trainor is a fifth-generation cattle rancher born and raised in southeastern Colorado. After graduating from Colorado State University in 2004 with a degree in animal science and ag business, he worked for nine years as a range management specialist with the Natural Resources Conservation Service. Nick now owns and manages Trainor Cattle Company and operates mainly on the Lowry Ranch, a State Land Board property located east of Denver. Nick is a practitioner of holistic planned grazing, is a member of the Ranching for Profit Executive Link alumni program, and serves on the West Arapahoe Conservation District Board, and Producer Advisory Council for the Colorado Collaborative for Healthy Soils. Nick enjoys spending time on the ranch with his family and instilling a love of nature in his two young children. 


David Blach

David Blach, (D)

Dist. 2, 1st term/Expires 2025

David Blach and wife Karla manage and operate, in Yuma, Colorado, a farm and ranch which was homesteaded in 1887. They are the 4th generation working with 3 sons of the 5th generation along with a brother and two nephews. Their crop production is corn, wheat, milo, sugar beets, edible beans, alfalfa, millet. The livestock production is a cow-calf and feeder operation. The operation is a dryland and irrigated enterprise. Rotational grazing is utilized in range management and wildlife habitats are updated periodically to provide for wildlife. Many conservation practices are used in the farming and ranching operations working with soil conservation services.

David is a member of Colorado Sugarbeet Growers, Colorado Corn Growers, Colorado Livestock Association, National Cattlemen’s Beef Association, National Corn Growers Association and Colorado Wheat Growers Association. David has served on the Colorado Department of Agriculture Noxious Weed Advisory Board. David is currently serving as chairman of the Yuma County Fairboard. David received a Bachelor of Science degree in Animal Science at Colorado State University. David lives in Yuma with his wife Karla, son Jeremy and wife Meghann, grandchildren, Adley, Kashton and Kaizley, sons, Jace Blach and Jenner Blach, daughter Brittnee Schaefer and husband Trent and granddaughter Maci.

Simon Martinez

Simon Martinez, (R)

Dist. 4 At-Large, 1st term/Expires 2025

Simon Martinez started in 1991 as the construction superintendent for the Ute Mountain Ute Tribe Farm and Ranch Enterprise. He is now the General Manager and the farm consists of 110 center pivot sprinklers ranging from 45 acres/145 acres which irrigates 7,700 acres of farmland. They grow and harvest alfalfa hay, non- GMO corn products and range feed for a 650 cow/calf operation. 

Simon also serves as the General Manager for Bow & Arrow Brand, LLC. Bow & Arrow Brand, LLC launched in 2014, it mills, and packages products that are non-GMO project verified, gluten free, and kosher certified. Simon holds a Bachelor’s in Business Administration and a minor in Human Resource Management. Simon currently serves as the Vice President of the Dolores Water Conservancy District. Simon along with his wife reside in Dolores, Colorado. They have 5 children and 8 grandchildren. One 10-year old son who still lives at home. Simon enjoys spending time with his family and auto racing. 


Roberto Meza

Roberto Meza, (D)

Dist. 1, 1st term/Expires 2025 

Roberto Meza is a first-generation farmer, artist, and local food advocate. He was born in Mexico City and immigrated to the US when he was 4 years old. He started farming in 2012 after experiencing some personal health struggles which prompted him to take a leave of absence from pursuing a Master of Science in Art, Culture and Technology (SMACT) at the Massachusetts Institute of Technology. Roberto’s health dramatically improved after his first season farming, and he emerged with a renewed sense of purpose. He is inspired by the resilience of communities, farmers, and food systems workers, who persevere despite moments of adversity and hardship.

Roberto is the co-founder of Emerald Gardens, a year-round greenhouse farm in Bennett, CO, and CEO of East Denver Food Hub, a local food supplier based in Denver. His work lies at the intersection of policy, agriculture, sustainable technology, food systems, and environmental stewardship. He is a member of the Denver Sustainable Food Policy Council, Vice-President of the board of the National Young Farmers Coalition, and is on the leadership team for Mile High Farmers. He currently lives in Brighton, CO and enjoys spending time with the goats on his farm and taking long walks with his dog Yoda. 



Commission Staff

Kate Greenberg
Commissioner of Agriculture
Phone: (303) 869-9004
Fax: (303) 466-2867
Hollis Glenn
Deputy Commissioner of Operations
Phone: (303) 869-9004
Fax: (303) 466-2867
Jenifer Gurr
Chief Administrative Officer
Phone: (303) 869-9002
Fax: (303) 466-2867
Melissa Guthrie
Executive Assistant
Phone: (303) 869-9004
Fax: (303) 466-2867