Anthony Webb has joined Cutlass Collieries as senior vice president of underground operations. Previously, he was president of Mach Mining.
Ellen Ewart has joined Coronado Coal as vice president of investor relations. Previously, she was vice president of research for Wood Mackenzie.
Al Clayborne is the new regional director for the Mid-Continent Region of the U.S. Ofﬁce of Surface Mining Reclamation and Enforcement.
Arrow Material Services named Bill Henderson chief commercial officer. Prior to joining Arrow, he held a variety of executive and managerial positions with RJ Corman Railroad Group and with Ashland Inc.
Humberto Gonzalez has joined Hawk Measurement as a sales director. Gonzalez has been in the instrumentation and control world for more than 30 years with companies such as Milltronics, Magnetrol and Robert Shaw.