Ramaco Resources has hired David N. Dyer, P.G. as vice president-marketing and analysis and Jason P. Bragg as vice president-land. Dyer is a coal analyst and consultant with close to two decades of broad-based international experience evaluating and developing natural resources, analyzing commodity markets and forecasting prices. With more than two decades of land planning and management experience, Bragg has executed major land lease transactions, disposition and acquisitions of company assets, corporate reporting, legal team coordination and management of complex titles and business decisions.