Pareteum Corporation has hired business development talent to reach new customers in the Americas: David Hess has been appointed vice president of sales for North America. David John has been named managing director of Latin America. As business development strategist for North America, Hess joins Pareteum's executive level management to lead new business initiatives and contribute to the company's global customer base; as managing director in Latin America, John adds to a global sales team at Pareteum that will break new ground for the company in untapped markets. David Hess has held prominent positions as the former chief executive officer of Telia North America and chief operating officer of KDDI Global, bringing 20 years of success leading operations and sales in the telecommunication, cloud infrastructure, and managed service provider markets. David John has led delivery and operations globally as a strategic partner of AT&T, Vodafone, Telefonica, Telecom Italia, Oi, and Sprint.