Scott Erker

The American Psychological Association (APA) is a scientific and professional organization that represents psychologists. The non-profit company is based in Washington and has subsidiaries in the United States. APA educates the public about psychology, behavioral science, and mental health. It promotes psychological science and practice, fosters the education and training of psychological scientists, practitioners, and educators. APA advocates for psychological knowledge and practice to inform public policy and champions the application of psychology to promote human rights, health, well-being, and dignity. Arthur C. Evans has been the CEO of the American company since 2017.

The Society for Industrial & Organizational Psychology, Inc. is a professional association dedicated to advancing the field of I-O psychology. The Society for Industrial & Organizational Psychology is based in Columbus, OH. The American company has over 9,000 members worldwide and offer membership to undergraduate and graduate students interested in I-O psychology. The organization applies research to improve the well-being and performance of people and organizations. The company offers advertising, exhibiting, and sponsorship opportunities at their events and in their publications.

Development Dimensions International, Inc. provides leadership strategy. It expertise in the science and practice of leadership strategy, selection, development, and succession with thousands of clients around the world. The company was founded by William C. Byham and Douglas W. Bray in 1970 and is headquartered in Bridgeville, PA.