After appointing George Stinson as senior vice president in the Cincinnati office this March, Lee & Associates has hired Josh Simon as president of the newly opened Washington, D.C./Northern Virginia regional branch, with Pierce Kruetzer joining the team as principal. The brokerage company announced last December its intent to open an office in the region within two years. Simon and Kruetzer will be responsible for middle-market investment sales and landlord leasing in the metro’s downtown, as…