Hakim Drissi-Kaitouni has joined Wren House Infrastructure Management as managing director in the firm’s London office. Drissi-Kaitouni was previously with Bank of America Merrill Lynch. Wren House is a subsidiary of the Kuwait Investment Authority and was established in April. In addition, Marc Keller has joined Wren House as an associate in the London office. He also was previously with Bank of America Merrill Lynch.