We mourn the passing of ATD Los Angeles 1982 Chapter President Jim Warren at the age of 89.  Jim was an esteemed colleague and a pioneer in the field of Organization Development with over 50 years experience as a management consultant and executive coach.  With an academic background in Physics from MIT and a Harvard MBA, Jim developed rigorous applied methodologies in the areas of leadership, teamwork, collaboration, conflict resolution, work processes, change management, strategic decisions and technology implementation. He shared his knowledge through active involvement in numerous professional associations, as an instructor at UCLA Extension for 35 years, and through his Center for Collaborative Management.