A past CEO, CIO and CTO, Roelf's graduate education is in the psychology of the workplace. He has managed, directly and indirectly, thousands of professionals over the course of his career. A soft skill expert, he now creates training courses for next level soft skills. He and his staff have recruited and hired countless professionals, at all levels from individual contributor to C-Level Executive. He has written extensively on hiring, organizational change, information technology, and interpersonal interaction at work. Many of his writings are available on the Internet. Â He also leads an active workplace investigations organization.