Gregory Ibach is an American farmer and government official from Sumner, Nebraska,[5] who served as the Under Secretary of Agriculture for Marketing and Regulatory Programs.

[8] Ibach spent his early career with Farm Credit Services, working as a loan officer and eventually becoming assistant vice president.

Ibach was nominated by President Donald Trump to become Under Secretary of Agriculture for Marketing and Regulatory Programs on September 5, 2017, and was confirmed by voice vote in the United States Senate on October 26, 2017.

[6] On March 4, 2021, the University of Nebraska-Lincoln announced that their Institute of Agriculture and Natural Resources had appointed Greg Ibach as the inaugural Under Secretary in Residence, who had started this half-time position on February 1, 2021.

They have three adult children and live on their family farm and ranch in Sumner, Nebraska.