Thomas J. Hook holds the position of president and chief executive officer.
Prior to Greatbatch, he was president of CTI Solutions Group and general manager of Functional and Molecular Imaging for General Electric Medical Systems. Earlier in his career, he worked for the Van Owen Group Acquisition Company and Duracell, Inc.
As Senior Vice President for Cardiac & Neurology, Mauricio Arellano is responsible for driving the design and manufacture of critical technologies for Greatbatch Medical's cardiac rhythm management, neuromodulation and vascular access markets. Prior to joining Greatbatch, he held various management positions at Tyco Healthcare and Sony. Arellano currently serves on the Board of Directors of the Central New York Biotech Research Center, as well as holds the position of Vice Chairman on MedTech's Board of Directors.
As Senior Vice President for Electrochem, Susan M. Bratton is responsible for driving Electrochem¹s existing product portfolio and bringing new technologies to market to empower customers across a broad array of segments. Throughout her career at Greatbatch she has held a number of senior positions, including Vice President of Quality Assurance and Regulatory Affairs and Director of Procurement. Bratton currently serves on the Alumni Advisory Board for the R.I.T. Executive MBA Program and on the Board of Directors for Insyte Consulting.
As the Senior Vice President for Orthopaedics , Susan H. Campbell leads Greatbatch Medical's orthopaedic team by bringing new technologies to this dynamic market and driving efficiencies across the supply chain. Prior to this position, she led the Global Manufacturing and Medical Power Groups for Greatbatch Medical. Prior to joining Greatbatch, Campbell held various management and manufacturing positions with Delphi and General Motors.
Barbara M. Davis is our Vice President of Human Resources. Prior to joining our company, Davis was the Director, Human Resources at ACTS Testing Labs, Inc. She also brings prior experience in human resources from Calspan Corporation and McKesson. Davis is a graduate of the Leadership Buffalo program.
Thomas J. Mazza holds the positions of Senior Vice President and Chief Financial Officer. Prior to joining Greatbatch, Mazza served Foster Wheeler, Ltd. as Vice President and Corporate Controller, Principal Accounting Officer, Vice President-Financial Systems and Vice President-Financial Planning and Analysis.
Timothy G. McEvoy holds the position of Vice President, General Counsel and Secretary. He joined Greatbatch after a 15-year career at M&T Bank, most recently as Administrative Vice President and Deputy General Counsel.