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David Castain
Adjunct Professor
B.A.
M.P.S.
Ph.D.
Dr. David Castain is a college professor, serial entrepreneur, behavioral scientist, and licensed life coach.Teaching at Delaware County Community College allows him to turn every classroom into a doorway of possibility, giving students access to tools that can transform not only their careers but their lives by exploring how public speaking, human behavior, leadership, and innovation intersect. Dr. David Castain’s commitment to public speaking is rooted in real-world practice, including serving as a TEDx speaker, where he explored identity, influence, and impact in the digital age.
Education
B.A. – Sociology, Howard University
M.P.S. – Public Relations and Corporate Communications, Georgetown University
Ph.D. – Psychology, The Chicago School of Professional Psychology
Personal Introduction
Dr. David Castain is a professor who believes that communication is one of the most powerful forces shaping society. From boardrooms to classrooms, how people connect and convey ideas determines success. At DCCC, professor Castain strives to equip students with skills in public speaking, critical thinking, and behavioral science that will empower them in their academic, professional, and personal lives. As a professor, Dr. Castain’s goal is not only to teach content, but also to help students build confidence, resilience, and the ability to see themselves as leaders capable of making an impact. Professor Castain’s perspective is shaped by research and travel across 60+ countries, where he studied how culture, identity, and motivation influence human behavior. These experiences allowed him to bring a global and motivational lens into the classroom, inspiring students to see their education as a pathway to transformation.
Courses Taught:
COMM 111: Public Speaking
Academic Biography
Dr. David Castain’s doctoral work at The Chicago School focused on applying behavioral science to organizational transformation, consumer trust, and leadership development. In addition to his academic research, Professor Castain has been recognized on the Forbes List and has worked as a consultant for Fortune 500 companies, nonprofit organizations, and global initiatives. He has also taught graduate-level courses at Georgetown University and designed executive education programs for corporate leaders through David Castain & Associates, a conceptual marketing firm he founded. At DCCC, he brings this unique combination of scholarship and applied practice into the classroom, connecting theory to real-world challenges and opportunities.
Scholarly Interests
Dr. David Castain’s scholarly interests focus on behavioral economics, organizational psychology, and marketing psychology. He’s particularly interested in how trust, communication, and leadership impact decision-making in business and education.