M. Brent Shelton

Cardialen, Inc. develops medical devices. It offers pain-free cardio version therapy for atrial fibrillation (AF) using low-energy implantable atrial cardioverters. The firm develops and commercializes these as an independent specialist, to address major needs in atrial fibrillation management, achieve improved outcomes and reduce the risk of stroke, heart failure and high healthcare costs associated with atrial fibrillation. The company's products comprise implantable low-energy pain-free atrial cardioverters and cardiac leads and defibrillator equipment. Its products are used for the treatment of atrial and ventricular arrhythmias. Cardialen was founded in 2008 by D. Graeme Thomas, Randy H. Weiss and Igor R. Efimov and is headquartered in St. Louis, MO.

Medtronic, Inc. operates as a medical technology company. It offers implantable cardiac pacemakers, eternal defibrillators, inferior turbinate surgery products, and continuous glucose monitoring device. The company was founded by Earl E. Bakken and Palmer J. Hermundslie on April 29, 1949 and is headquartered in Minneapolis, MN.

Mytek LLC manufactures instruments and apparatus that measure an optical property. The company was founded by Mary K. Hibbs-Brenner and Klein L. Johnson in 2004 and is headquartered in Plymouth, MN.