Dewberry — Donald Stone has joined the Fairfax, Va.-based engineering and architectural consulting firm as chief operating officer. Previously, he was president and a board member for East Syracuse, N.Y.-based O’Brien & Gere Limited.
HOBAS Pipe USA — Kim Paggioli, quality control and marketing manager for the Houston-based company, has been named vice president for marketing and quality assurance.
MIOX Corp. — Bob Newton has joined the Albuquerque, N.M.-based company as vice president for industrial markets. Previously, he was global director for strategic marketing at Warrendale, Pa.-based Siemens Water Technologies.
Venable LLP — Marta Harting has joined the Washington-based law firm as a partner. Previously, she was a legislative and regulatory attorney in the Baltimore-based firm DLA Piper.