Derrell Krebs joined Germania in 1989 as an accountant I. In 1990, he was promoted to an accountant II and to controller in 1992. Derrell was appointed assistant secretary–treasurer in 1997, and in 2000 he was appointed secretary-treasurer and serves as chief financial officer.

Derrell is an honor graduate of Texas A&M University, where he earned a bachelor of business administration degree in accounting; and received his designation of CPA in 1982.

He serves on the audit committee for the Texas Association of Mutual Insurance Companies. In addition, Derrell is a member of the Texas Society of CPAs and the American Institute of CPAs. Derrell has served on the church council and as president of Christ Lutheran Church Foundation and chairman of the church day school board. He also serves as a member of the Brenham Scott & White Hospital Foundation Board.

Derrell is a member of local chapter 14, and was elected to the Germania Farm Mutual Board of Directors and subsidiaries in 2000.