William A. Hawkins, president of Medtronic, with CEO Arthur D. Collins Jr., in Fridley, Minn., on Wednesday, August 15, 2007. Hawkins will become chief executive at Medtronic's annual meeting on Thursday, succeeding Collins. Since Collins moved up to chief executive from president and chief operating officer in 2001, Medtronic's annual sales have more than doubled, to $12.3 billion, and earnings have surged to $2.41 a share from 85 cents.