Silversea Cruises has appointed Tom Russell as its new senior vice president of product development, with special focus on Silversea's new luxury expeditionary cruise product, World Discoverer, which the line recently purchased. Russell will be responsible for its design, deployment and itinerary development. Russell is familiar with Silversea, having been a founding member of the executive team in 1992. Most recently, Russell served as senior vice president of sales and marketing for Uniworld Grand River Cruises. (DE)