Seaman Corp., Wooster, Ohio, recently announced the promotion of John Crum to the positions of president and chief operating officer. Seaman develops high-performance industrial textiles for applications such as roofing systems, truck tarps, architectural fabrics, geomembranes and other specialized markets. An employee of the company for 16 years, Crum previously served as Seaman’s vice president of operations, executive vice president and co-president. He joined Seaman with 20 years of experience in manufacturing management and engineering.