The author has served on the editorial board of the "Journal of Employment Counseling" ("JEC") for longer than 10 years and, in this capacity, has reviewed countless manuscripts. He observed that one main theme has emerged over these 30 years: a continued interest in the practical application and predictive validity of John L. Holland's (1973, 1985, 1997) theory of vocational personalities and work environments, the essence of which is his six personality types: Realistic (R), Investigative (I), Artistic (A), Social (S), Enterprising (E), and Conventional (C). In this article, the author shares some brief thoughts on 30 years of involvement in the area of career counseling and vocational behavior.