Meet the Agronomy Team


Tim Darst
Agronomy Sales Manager
Phone: 405-368-2248

Tim has worked in the agronomy and grain elevator business for over 20 years. He spent most of the time working in western Oklahoma, with some time spent in western Kansas. He has worked in every area of the retail agronomy and grain elevator business including driving a spray rig, working in the elevator, feed, and fuel and he was a regional agronomy manager for a CHS group in Kansas.

Tim is married to his great partner in life, LeAnn. They live in Kingfisher with five of their eight children ranging in age from 8 to 27; they have 7 daughters and a son. They also have three grandchildren. Tim enjoys spending time with family, going to his kids sporting events, and hunting with his kids and family.

Tim attended college at Dodge City Community in Dodge City, Kansas before starting his career in agriculture. He has his Certified Crop Adviser Certificate and also serves on the Oklahoma Ag Retailers Board. Tim enjoys working with producers to grow the best crops they can with the resources and technology we have today. He says it makes his job fun!


Chuck Davidson

Chuck grew up working on his grandfather’s farm in Tuttle, OK. He worked part-time for two years at the veterinarian clinic during high school. In 1979, he moved to Hinton where he got a job at the Co-op. After graduating in 1981, he started driving the floater truck. He has worked in all different areas of this business including the cotton gin, the elevator, worked with different feeds, various ag chemicals, fertilizer and he still drives the spray truck.

He married his high school sweetheart, Janet, 30 years ago. They have three kids, two sons, a daughter and one granddaughter. Chuck enjoys spending time with his family and he is always ready to go to the lake to fish and camp.


Brooke Summers
Agronomy Sales
Phone: 405-368-1251

Brooke was born and raised in Claremore, Oklahoma. She attended Claremore High School and was an avid member of FFA. She attended Rogers State University in 2009 for one year before transferring to the Oklahoma State University, earning her Bachelor’s of Science degree in Agricultural Communications in May 2013. She came to work for CHS in the summer of 2013. Her family is in the drilling and blasting business, as well as the rock crushing business. She has one brother and one sister. She was a member of the NRHA and showed reining horses for years. She enjoys going to the lake, as well as fishing and hunting with her brother and dad.


Jared Yost
Agronomy Sales
Phone: 405-368-2153

Jared Yost was born and raised in the Kingfisher community. He farms along-side his father and uncle. He attended Southwestern Oklahoma State University for 2 ½ years and transferred to Oklahoma State University. He was the National Winner in FFA Grain Entrepreneurship in 2012 and was on the OSU Crop Judging team in 2012 and 2013. He graduated from Oklahoma State University in May 2014 with a Bachelor’s of Science degree in Plant and Soil Science with a minor in Animal Science. He is a volunteer firefighter for the Omega Fire Department. He is a Certified Crop Consultant for CHS and started full time in May of 2013.

Eli Parr
Agronomy Sales
Phone: 405-574-2096

Eli was born and raised on their family farm in Alex, Oklahoma. He grew alfalfa and wheat while raising cow/calf pairs as well as stocker cattle in the winter. He attended Oklahoma State University and earned a Bachelor’s of Science in Agricultural Education in 2009. He participated on the OSU Soil Judging team. He ranked 16th in the nationals individually and won regionals. He worked for Crop Quest for 5 years, scouting many different fields and cropping systems across northwest Oklahoma. He enjoys working with clients and problem solving. He volunteers at the local health clinic in Kingfisher.  His hobbies include golf, long range shooting, hunting and fishing. He has been married since 2013 and had a son in September 2015.

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