Anderson Associates, facing an increasing workload and a growing need for additional technical depth in its engineering services hire two new team members: Stephen E. Gatz & Marc A. Derenburger. Stephen E. Gatz, PE is a naval architect working in the firm’s marine group, while Marc A. Derenburger has joined the facilities group as an entry-level mechanical engineer. Stephen Gatz brings a diverse background in naval architecture & marine engineering design, marine research and development, and marine operations.