Littleton, Colo. — Denver Seminary is pleased to welcome Dr. Tremper Longman—renowned Old Testament scholar, professor, and author—as the keynote speaker for the 2025 Shannon Preaching Lectureship and Seminar to be held June 2–5 on its Littleton campus. This 3.5-day event will focus on Big Idea Expository Preaching from the Book of Psalms.  Dr. Longman,…