Major Drilling Group International Inc. announced that Larry Pisto, VP Operations of North America, will be retiring effective August 31, 2018. Kelly Johnson, presently VP Operations of Latin America & Africa, will become Senior VP Operations of North America & Africa. Ashley Martin, presently Regional Manager of South America, will replace Mr. Johnson as VP Operations of South America. After spending the last 8 years as VP for Latin America & Africa, Mr. Johnson returns to familiar territory having been the General Manager of Canadian Operations in the past.