ISTJ Examples

The Investigator Type

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ISTJ Females

Women with the ISTJ personality type

ISTJ females are likely to be independent, orderly people, who tend to value knowledge and responsibility. They are likely to be very practical and detail-oriented, often abiding by the rules set in place and following a “to-do” list to a T. Though they are not naturally empathetic individuals, they tend to be reliable and trustworthy people who prioritize security and stability for themselves and others. They may face scrutiny for being so straightforward, but they are unlikely to change themselves to fit others’ expectations.

ISTJ Females

Famous ISTJ Females

Elizabeth Warren

Elizabeth Warren is objective, focused, and organized. She is able to think through situations practically so that she can find the most effective, realistic solution to a present problem.

Annie Leibovitz

Annie Leibovitz is ambitious, reserved, and detail-oriented. She takes a more objective, technical approach to photography and uses her skills to take engaging, thought-provoking portraits of people. 

Dorothy Day

Dorothy Day was driven, logical, and outspoken. She boldly advocated for her beliefs and faced criticism with confidence.

Natalie Portman

Natalie Portman is logical, intellectual, and structured. She is direct in expressing her beliefs and is able to advocate successfully for change by using her skills in organization.

Condoleezza Rice

Condoleezza Rice is blunt, future-oriented, and introverted. While she enjoys keeping to herself, she is also comfortable openly sharing her opinions. She doesn’t tend to shy away from confrontation.

Angela Merkel

Angela Merkel is blunt, motivated, and pragmatic. She has used her determination and knowledge to become one of the most important leaders in modern Europe.


ISTJ Males

Men with the ISTJ personality type

ISTJ males tend to be reserved, direct individuals who prioritize practical ideas and set goals. They are likely to remain calm in most situations, often choosing to work through a problem at their own pace and in privacy. Their attention to detail and practical thinking may help them make safe, reliable choices that can benefit those around them.

ISTJ Males

Famous ISTJ Males

Mark Zuckerberg

Mark Zuckerberg is analytical, practical, and reserved. He uses his technical skills and strong work ethic to help him oversee a major company and work toward major personal or professional goals. 

Alfred Hitchcock

Alfred Hitchcock was blunt, detailed, and precise. He knew what he wanted from a project and worked hard to meet his own standards. He was an intense worker who pushed others to put in more effort and energy to accomplish important goals.

Denzel Washington

Denzel Washington is a focused, methodical actor who invests heavily in his roles. When he accepts a part, he puts all his energy toward ensuring he performs it well. He is present, hardworking, and reserved when he is able to have time to himself.

Jeff Bezos

Jeff Bezos is structured, meticulous, and detached. He sets his goals high and puts in the effort needed to accomplish them, even if some of his actions may upset others. He cares most about work being done to his high standard.

John D. Rockefeller

John D. Rockefeller was a high-achieving businessman who worked tirelessly to get things done. He was able to reach important milestones in the oil industry and used his perseverance to become one of the wealthiest people to have ever lived.


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