NBT Bancorp Inc. President and CEO John H. Watt, Jr. announced that NBT has appointed Ruth H. Mahoney Executive Vice President and President of Wealth Management. Mahoney will join NBT’s Executive Management Team. She has more than 30 years of experience in financial services, including wealth management, private banking, retail banking and regional leadership. Mahoney comes to NBT from KeyBank where she served most recently as Capital Region Market President.