Arup has made several personnel changes. Brian Meacham is now principal risk consultant and principal fire engineer in Boston. Roy Duncan is now associate director in the Detroit office. In Los Angeles, Steven Carter has been promoted to principal, Phil Crompton has been promoted to senior associate, and Tan Nguyen has been promoted to associate. In New York, Daniel Brodkin, Jonathan Drescher, Raymond Quinn, and David Richards have been promoted to senior associate; Christopher Marrion has been promoted to associate; and Peter Berry has joined the firm as principal audiovisual consultant. In San Francisco, Maurya McClintock and Tom Watson have been promoted to associate.