Mark Zuckerberg is best approximated as an ENTJ equivalent when his psychology is examined through the Classical Jungian framework of Chapter X of Psychological Types. This is not based on commonly assigned MBTI typings, internet consensus, or personality stereotypes. The four letter designation is being used only as a modern translation of the Jungian structure. The strongest interpretation is an extraverted thinking type with intuition as the auxiliary function. The decisive question is therefore not whether Zuckerberg appears like a stereotypical executive, but whether his consciousness is primarily oriented by objective conditions through the thinking function, and whether intuition provides the secondary perceptive orientation. Jung defines the extraverted attitude through the predominance of the object and objective conditions. The extravert does not necessarily lack subjective ideas, but objective circumstances have greater determining authority over conscious judgment and action. In Chapter X, Jung specifically states that extraverted thinking is conditioned to a greater degree by objective data and that its criterion of judgment is supplied by external conditions, whether through perceptible facts or generally accepted objective ideas. Zuckerberg's own descriptions of decision making provide unusually direct evidence for this distinction. In discussing Facebook's product development, he described the company as both vision led and metrics led, explaining that product decisions were frequently made by testing alternatives with users and determining which option produced stronger metrics. This is important from a Jungian perspective because the criterion is not merely that Zuckerberg uses data. Almost every technically competent person can use data. The significant feature is that external results are repeatedly treated as legitimate determinants of practical judgment. This orientation is also visible in Zuckerberg's description of product development as a continuous feedback process. He has explained that the organization builds, releases, observes how people respond, and then incorporates the resulting information into subsequent development. He has also described the strategy as learning faster than competitors through feedback and iteration. Such an approach corresponds closely with Jung's description of extraverted thinking as thinking whose conclusions remain related to objective facts and whose practical direction is outward toward the object. The distinction from introverted thinking is therefore crucial. Jung states that introverted thinking begins from the subject and is directed toward subjective ideas or subjective facts. Zuckerberg's publicly described decision process does not consistently privilege an internally sufficient theoretical model over external feedback. Instead, hypotheses are subjected to interaction with objective results. When a product assumption fails against user behavior or measurable outcomes, the model is adjusted. That makes extraverted thinking a stronger Classical Jungian interpretation than introverted thinking. The auxiliary function is more difficult to establish, but intuition is the strongest candidate. Jung states that a differentiated primary function is accompanied by a secondary function that differs in nature without contradicting the dominant function. Thinking can therefore be paired with intuition or sensation, but not with feeling as an equally differentiated auxiliary. The question is consequently whether Zuckerberg's secondary perception is more characteristically intuitive or sensory. The evidence favors intuition because his objective orientation is repeatedly organized around possibilities that extend beyond the immediate state of affairs. In a discussion of Facebook's future, Zuckerberg described long-term technological directions and emphasized building infrastructure that would allow subsequent development to proceed on top of it. More recently, he has described AI and augmented, mixed, and virtual reality as parts of long-term technological visions rather than merely as immediate products. Meta's own engineering publication likewise presents his approach as involving long-term vision combined with experimentation and broad deployment. This combination is significant in Jungian terms. The intuition does not replace the dominant thinking function. Rather, it supplies possibilities that thinking can organize and implement. Jung explicitly describes speculative thinking forging ahead with intuition as one of the characteristic combinations produced by the principal and auxiliary functions. Zuckerberg's pattern can therefore be interpreted as objective-oriented thinking using intuition to identify future technological possibilities and then converting them into externally testable systems. The J designation in the four-letter translation should not be interpreted through modern stereotypes about being organized or decisive. Classical Jung does not contain the MBTI J/P dichotomy. Here, the letter J is simply the closest MBTI equivalent for a configuration whose dominant function is a rational judging function, specifically extraverted thinking. The actual Jungian conclusion is more important than the letter itself. There are limitations. Public interviews reveal behavior and conscious reasoning, but Jung cautions that observers can confuse outward behavior with the underlying psychological orientation. Therefore, this should be regarded as a reasoned typological hypothesis rather than a definitive diagnosis. Overall, ENTJ is the strongest four-letter MBTI equivalent for Mark Zuckerberg under Classical Jung. The essential structure is extraverted thinking dominant, with intuition as the auxiliary. His repeated reliance on objective feedback, measurable outcomes, external conditions, experimentation, and practical implementation supports extraverted thinking, while his persistent orientation toward long-range technological possibilities supports intuition. The conclusion therefore rests not on the stereotype of a technology executive being ENTJ, but on the specific Jungian distinction between subjective and objective determination of consciousness.