Pierre E. Queiroz de Oliveira » Member Directory Go back to directory. Pierre E. Queiroz de Oliveira Associate Pepper Hamilton LLP Mailing Address Union Trust Buidling 501 Grant Street Suite 300 Pittsburgh PA 15219 postal Phone: 412-454-5878 Email: queirozp@pepperlaw.comINTERNET Categories: Attorney Updated 5 months ago.