NBT Bancorp Inc. announced that Sarah A. Halliday has joined NBT as Executive Vice President and President of Commercial Banking. She will also serve on NBT’s Executive Management Team. In her new role, Halliday will assume overall responsibility for NBT’s Commercial Banking Division. Halliday has 25 years of experience in banking and commercial lending. She comes to NBT from M&T Bank where she was most recently employed as Capital Region Market President. Halliday is a native of Syracuse and earned her Bachelor of Arts degree from Colgate University, graduating with honors in Economics. She resides in the Albany area and will maintain offices in both Albany and at NBT’s headquarters in Norwich.