MAC Calcano believes that lasting organizational change happens through people and that HR leadership requires personal accountability, development, and a focus on people. As the new HR Director, MAC will focus on talent acquisition and retention to ensure Brookhaven National Laboratory has the best talent. MAC will also lead projects, facilitate performance management, and analyze the organization to help it evolve and meet business needs. MAC aims to demonstrate HR's value and return on investment by measuring its impact on the culture and driving a high performance culture of accountability.