Staff  02/18/22 6:41:57 AM

Jeff Peterson, President/Commodity Risk Manager


Jeff was raised on a grain and livestock farm near Manlius, Illinois and is a 1987 graduate of Illinois State University with an Associate degree in Ag Production and a Bachelor degree in Ag Business.  He began his career as a Grain Merchandiser and Farmer Market Advisor for Advance Trading at the Pearl City Elevator in northwestern Illinois.  In 1989, he returned to Bureau County as the Grain Department Manager of Bureau Service Company in Princeton.  In 1993, Jeff became General Manager of the Neponset Farmers Grain Elevator Cooperative.  Later that year, he was named Grain Department Manager for Marquis Grain Inc upon their acquisition of the Neponset Cooperative.  In that capacity, he managed two country grain elevators and the truck dispatching for Marquis Grain Inc.  In 2006, Marquis sold its country grain elevators to focus on the ethanol business, where Jeff is now the Commodity Risk Manager for Marquis Grain Inc at the Marquis Energy LLC ethanol plant.

Gary Miller, VP/Corn Procurement Manager

Gary grew up on his family’s farm south of Granville.  He graduated from Putnam County High School and Illinois Valley Community College.  Gary started in the grain business in 1980 and later joined Archer Daniels Midland in 1985.  For many years, Gary managed ADM’s river terminals in Hennepin, Henry, Lacon, Chillicothe, and Creve Coeur, Illinois.  He also had extensive responsibility for grain origination into ADM’s ethanol plant in Peoria, Illinois.  In 2003, ADM combined their river terminal offices into a regional office at Ottawa, Illinois.  As Northern District Manager, Gary was responsible for managing up to ten river terminals and 6 country elevators.  He has also served on various committees for the Grain and Feed Association of Illinois.  He now joins the Marquis team as VP/Corn Procurement Manager.  Gary resides in Princeton with his wife Cathy.

Austin Heim, 
Director of Commodities Strategy

Austin grew up on a grain and livestock farm near Logan, IA, and graduated from Iowa State University in 2010 with a bachelor's degree in Agricultural Business.  He began his career with The Scoular Company, working in Downs, KS, Friars Point, MS and Coolidge, KS.  In 2012, he went to work for Flint Hills Resources trading corn, DDG, and modified for a variety of their ethanol plants in Iowa, Nebraska, and Georgia.  In 2021, he joined the Marquis team as the Director of Commodities Strategy.

Trevin Kennedy, Director of Carbon Certification

Trevin was raised on a family farm near Walnut, IL. He graduated from Iowa State University with a bachelor's degree in Ag Business in 2017 and started his career as a commodities broker and farm marketing consultant with Ehedger in Oakbrook Terrace, IL. Trevin joined the Marquis team in 2019 where he manages their sustainability and carbon programs.


Allison Grieve, Grain Accounting Manager

Allison grew up on a family farm outside of New Bedford, Illinois. She attended Western Illinois University where she obtained a bachelor’s degree in Ag Business in 2010 and shortly after started her career in Agriculture as a Broker’s Assistant with Advance Trading in Bloomington. In 2014 she moved back to Bureau County and began working as a crop insurance underwriter in Dixon. She joined the Marquis team in 2015 where she is now their Grain Accountant.

Roland Koenig, Commodities Manager - Necedah, WI

Roland graduated from Amundsen High School in Chicago, IL.  After attending the University of Illinois - Urbana, he moved to his current home farm in 1976 and began a long career as a dairy and grain farmer.  In 1991, in addition to farming, he became a seed and chemical dealer, among other various agricultural products.  His dairy and Ag businesses were sold in 2005, but he continues to raise crops on his farm.  He began working at the Necedah ethanol plant in 2007. He began as an assistant merchandiser and has moved into current roll as Commodities Manager for Marquis Grain, Inc.   Roland currently procures the corn for the Necedah plant.

Howard Boppart, Grain Merchandiser - Necedah, WI

Howard grew up in rural Woodstock, IL with a broad farming background, and is a 1991 graduate of Auburn University with a B.S. in Ag. Economics. He began his grain merchandising career with Peavy Grain in Waunakee, WI and in 1995 returned to his home county in Illinois as the Grain Department Manager for Northern FS. In 1997 he became the General Manager for Leland Farmers’ Company where he managed three country grain elevators. He accepted the General Manager position at Harmon Grain (now Northern Grain Marketing) in 2006, managing seven country elevator locations prior to his start at Marquis Energy - Wisconsin, LLC in Necedah.


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