Dr. Niehaus attended Yale University where he was elected to Phi Beta Kappa and graduated magna cum laude with the Bachelor of Arts degree. He subsequently attended Harvard University on a full graduate fellowship and received the A.M. and Ph.D. degrees. In the course of his doctoral studies at Harvard, Dr. Niehaus came to a saving faith in Jesus Christ. Receiving a clear call to further study for ministry, he attended Gordon-Conwell Theological Seminary where he earned the Master of Divinity degree.
Before coming to the Gordon-Conwell faculty in 1982, Dr. Niehaus conducted research at the University of Liverpool in England in the area of Old Testament and the ancient Near East.
Dr. Niehaus has published commentaries on Obadiah and Amos for the Baker Book House three-volume commentary on the minor prophets, as well as a volume in the area of biblical theology,God at Sinai (Zondervan).
Dr. Niehaus is an ordained independent Baptist minister. He and his wife Maggi reside in Danvers, Massachusetts, with their two sons, Paul and John.