Famous ISTJs
ISTJ
Arthur Wellington
'The Duke of Wellington' - U.K. Prime Minister and general
Wellington: "Whatever enthusiasm [an army feels is] the result of the example set [by] the head of the army."
Wellington: "The word of an English officer is a sure guarantee."
[Explaining why he broke with Britain's Spanish allies:]
Wellington: "They are really children. ... I cannot say that they do anything as it ought to be done."
[Responding to accusations against him:]
Wellington: "I [trust that the issue] will not be made the subject of that vague and general sort of discussion which sometimes takes place ... but that every fact will be fully and fairly sifted."
ISTJ
George Washington
U.S. President and general
Washington: "Happiness and moral duty are inseparably connected."
Washington: "Labor to keep alive in your breast that little spark of celestial fire called conscience."
[Admonishing his unpaid soldiers not to rise up against Congress:]
Washington: "You will not do it. You will give one more distinguished proof of patriotism and patient virtue, rising superior to suffering."
Kelley L. Ross: "[Washington] was resolute and brave in action, moderate and restrained in his judgment, yet ... ferocious in his rare anger."
Richard Brookhiser: "[Washington had won] a war for independence and then gone home. [He embodied] the legend of the Roman who returned to his plow after saving his country."
ISTJ
Dwight D. Eisenhower
U.S. President (R) and Supreme Commander of the Allied Forces during WW2
[On leading the U.S. Army during WW2:]
Eisenhower: "This is a long tough road we have to travel. ... Fake reputations, habits of glib, clever speech, and glittering surface performance are going to be discovered."
Eisenhower: "[Children should contribute] to a family's essential survival and happiness. [In] an urban society, children are ... robbed of the opportunity to do genuinely responsible work."
David M. Oshinsky: "Eisenhower could get diverse factions to work toward a common goal. ... Leadership, he explained, meant patience."
Steven J. Rubenzer: "Eisenhower is the only modern president much like Washington."
ISTJ
Augustus
Emperor of Rome, adoptive son of Julius Caesar
Augustus: "Festina lente."
("Make haste slowly.")
Augustus: "We must plan for our lasting preservation rather than for our temporary pleasure."
Karl Loewenstein: "[He had] unlimited capacity to work; a meticulous attention to detail [and] careful preparation."
Karl Loewenstein: "[He conducted] his government with hard-headed realism and practical common sense ... free from romantic illusions or mysticism."
Zvi Yavetz: "[Augustus] was amazed that Alexander showed no respect for the ... routine of daily management."
Zvi Yavetz: "[Augustus had] tact ... patience, and moderation ... qualities that were [absent] in Julius Caesar."
ISTJ
Warren Buffett
Super-investor and author
Buffett: "There is no formula to figure [value] out. You have to know the business [and the company] has to be run by honest and able people."
Buffett: "[When investing on the stock exchange] what you need is the temperament to control the urges that get other people into trouble."
Buffett: "I've reluctantly discarded the notion of my continuing to manage [my stock] portfolio after my death - abandoning my hope to give new meaning to the term 'thinking outside the box.'"
Bill Gates: "Warren's framework has been [consistent for 40 years] he has always looked at the world in terms of integrity."
Keirsey & son identify Buffett as ISTJ.
ISTJ
Jeff Bezos
Founder of Amazon
Bezos: "A company shouldn't get addicted to being shiny, because shiny doesn't last."
Bezos: "We are an appropriate company only for long-term-oriented investors."
Bezos: "As Warren Buffett says [if you take] a long-term approach ... you get the shareholders you deserve."
Bezos: "I'd rather interview 50 people and not hire anyone than hire the wrong person."
Alan Deutschman: "[He wants to] base all decisions on data, not ... instinct."
Robert Hof: "He often plunges into minute details himself."
ISTJ
Ingvar Kamprad
Founder of IKEA
Kamprad: "Be thankful to those who are the pillars of our society! Those simple, quiet, taken-for-granted people who ... do their duty and shoulder their responsibility without being noticed."
Kamprad: "The aim [of IKEA] is to reach a good result in the long term."
[Asked about his extreme frugality:]
Kamprad: "If I start to acquire luxurious things then this will only incite others to follow suit. It's important that leaders set an example."
The Age Magazine: "IKEA's [morals extend] to the customer. Whether you like it or not, [they] teach you the value of good, honest, simple, hard work. Self-assembly ... is more than a cost-cutting measure: [To them] it's a tool ... to make you sweat for your own edification."
ISTJ
Peter Thiel
Founder of PayPal along with Elon Musk, student of Rene Girard
Thiel: "I don't enjoy being contrarian. ... I think it's much more important to be right than to be contrarian."
Thiel: "[Life] is like a never-ending tournament. ... You have to win the tournament. You have to be realistic about how to win the tournament."
[Asked if he prefers nuclear power to renewable energy:]
Thiel: "I prefer things that work."
[Asked how much luck matters:]
Thiel: "[If] you think of the world as consisting of lottery tickets, you have set yourself up to lose. ... It's really a kind of laziness where people don't want to think as hard about things as they should."
ISTJ
Thomas Hobbes
Philosopher
Hobbes: "During times where men live without a great power to keep them all in awe, they are in a war of every man, against every man."
Hobbes: "By how much one man has more experience of things past, than another, by so much also he is more prudent, and his expectations the seldomer fail him."
Hobbes: "He that has most experience [is] so much more prudent than he that is new, as not to be equalled by any advantage of natural and extemporary wit: though many young men think the contrary."
Keirsey & son identify Hobbes as ISTJ.
ISTJ
Sigmund Freud
Psychoanalyst, mentor of Jung and Adler
Freud: "My love is something valuable to me which I ought not to throw away without reflection. ... If I love someone, they must deserve it."
C.G. Jung: "I came to Freud for facts. I read 'The Interpretation of Dreams' and I thought: 'Oh, here is a man who is not just theorizing away, here is a man who has got facts.'"
Albert Einstein: "[Freud's] sense of reality is less clouded by wishful thinking than is the case with other people and [he combines] the qualities of critical judgment, earnestness and responsibility."
ISTJ
Martin Heidegger
Philosopher, student of Husserl, dated Hannah Arendt
Heidegger: "Only where leader and led together bind each other in one destiny ... does true order grow."
Heidegger: "Spiritual superiority [consists in] deep dedication ... in the form of the most rigorous training, as commitment, resistance, solitude, and love."
Heidegger: "A man's first bond is that which ties him into the national community."
Heidegger: "I take great pleasure, every day, in seeing my work deeply rooted in our native soil."
Von Franz identifies Heidegger as I-TP.
Van der Hoop identifies Heidegger as IN-J.
ISTJ
Frederick the Great
King of Prussia, student of Voltaire
Frederick: "Pay the most particular attention to the exact execution of ... duty."
Frederick: "Never imagine a thing to be done as long as it is not actually done."
Frederick: "[A general must physically be] at the head of the army, to set an example."
Frederick: "[If I love a thing] I must take care not to praise it before praise is deserved."
David Fraser: "He personally commanded his army in war after war with such supreme skill that he became acclaimed as the greatest soldier of his time."
ISTJ
Calvin Coolidge
U.S. President (R)
Coolidge: "The right thing to do never requires any subterfuges; it is always simple and direct."
Coolidge: "Surprisingly few men are lacking in capacity, but they fail because... they are too indolent to apply themselves with the seriousness and the attention that is necessary to solve important problems."
David Greenberg: "Coolidge's preference for experience over ideas was a deeply rooted trait."
David Greenberg: "He sought above all to instill his code of discipline, diligence, and responsibility."
Keirsey & son identify Coolidge as ISTJ.
The American Psychological Association identifies Coolidge as an introvert.
ISTJ
Richard Nixon
U.S. President (R)
Nixon: "I never say something I cannot do. And I always will do more than I can say."
Nixon: "To me, the most unhappy people in the world are the people ... in Palm Beach: Going to parties every night. Playing golf every afternoon, then bridge. [They have] no purpose."
John F. Kennedy: "Nixon is not an extrovert."
ISTJ
Woodrow Wilson
U.S. President (D)
Wilson: "A man's rootage means more than his leafage."
Wilson: "Not all change is progress."
Wilson: "The facts of the case will always have the better of [an] argument."
Wilson: "Men grow by having responsibility laid upon them."
Wilson: "What every man seeks is satisfaction. He deceives himself so long as he imagines it to lie in self-indulgence."
ISTJ
Xenophon
Greek historian and soldier, student of Socrates
Xenophon: "For the good man, there is nothing better than owning an estate and tending to it, properly."
Xenophon: "To neglect a detail ... is surely to neglect oneself; since in the hour of danger, one's life will depend on it."
Xenophon: "Whatever you determine to be the right thing to do, endeavor to perform it with diligence."
Robin Waterfield: "[To Xenophon] self-discipline is important not just for itself, but because it enables a person not to be distracted by his appetites from doing his duty."
Robin Waterfield: "He is a quiet thinker; he doesn't trumpet his views, but a great deal of careful thought underpins his work."
ISTJ
Angela Merkel
Chancellor of Germany
Merkel: "I am courageous at the decisive moment. But I need a good deal of start-up time, and I try to take as much as possible into consideration beforehand."
Time Magazine: "She has won [praise] not by [friendliness] but by a quiet, no-frills stress on competence."
Daily Mail: "She is always better informed than anyone else."
Lothar de Maiziere: "She [is] so precise, with ... an eye for detail."
Newsweek: "She [has a] sober approach: If in doubt, stick to the rules."
ISTJ
Joseph Ratzinger
Pope
Ratzinger: "[I am not] one of those thoughtless people who always uncritically accept what is new as necessarily better."
Ratzinger: "Belief [is] the risky enterprise of accepting what cannot be seen as the truly real."
Ratzinger: "Belief [demands that we] accept [what is] eternally valid. And that [is not fashionable] in an age when the idea of 'tradition' has been replaced by the idea of 'progress.'"
Ratzinger: "The church needs to withstand the tides of trends and the latest novelties."
ISTJ
Ayaan Hirsi Ali
Critic of Islam and writer, married to Niall Ferguson
Ali: "I judge. I would like us to judge. I would like us to say: One religion is better than the other. One culture is better than the other. One idea is better than the other."
Ali: "I confront the [intellectual] elite's self-image as tolerant while [right] under their noses women are living like slaves."
Ali: "I feel this obligation. ... I think that I can't just lie around ... and enjoy a life of Western progress and at the same time keep quiet about what is not right."
Ali: "Judged by our standards, Muhammad is a pervert."
Ali: "Christopher Hitchens was a dear friend [of mine] and a man who lived for the mind."
ISTJ
Stonewall Jackson
U.S. Civil War general
Jackson: "It is important that those at headquarters set an example by remaining [on] duty. If all our troops, officers, and men were [constantly] at their posts, we might ... expect a more speedy termination of the war."
Jackson: "It is not desirable to have a large number of intimate friends. You may have many acquaintances, but few intimate friends."
Jackson: "I like liquor - its taste and its effects - and that is just the reason why I never drink it."
Jackson: "I am obliged to sweat [my men] tonight, so that I may save their blood tomorrow."
Jackson: "Let your conduct have uniformity: Temperance, silence and order."
ISTJ
Elizabeth Holmes
Founder and CEO of Theranos
Holmes: "[I'm] patient and ... building this company for the very long term."
Holmes: "Person by person, [I] will demonstrate the integrity of what [I] do."
Holmes: "[I] ... keep [my] head down and focus on what [I'm] doing. ... Big waves come and go, but [I'm] there for a reason."
Holmes: "[I'm interested in] less talk and more action that proves [my] company can back up ... its claims."
Holmes: "What we need to do ... is focus on ... the data and put that out there. Because that speaks for itself."
Henry Kissinger: "[Her] determination ... turned me from a ... skeptic to an enthusiast."
ISTJ
Karl Doenitz
Grand Admiral to Nazi Germany
Doenitz: "I was fascinated by the [operation] of a U-boat ... where every single man was an indispensable part of the whole. Every submariner, I am sure, has experienced in his heart [the joy of] the task entrusted to him [and] felt as rich as a king."
Doenitz: "Only ... from personal experience [can a man] take the necessary measures without a preliminary process of trial and error."
[On accepting the role as Hitler's successor:]
Doenitz: "I realized ... that my name would remain forever associated with the act and that [the hateful] distortion of facts would ... besmirch my honor. But duty demanded that I pay no attention to any such considerations."
The Guardian: "He possesses an effortless mastery of detail."
At the Nuremberg Trials, Doenitz's IQ was tested to be 138.
At the Nuremberg Trials, Doenitz's results on the Rorschach test suggest he was a T type.
ISTJ
Erich von Manstein
World War II Field Marshal
Manstein: "As for the tendency to deride the many different badges and [medals] created in the course of the war, people should merely bear in mind what feats our soldiers accomplished."
Manstein: "[Medals should be] worn with pride."
Manstein: "What Hitler lacked ... was military experience based on experience - something for which his 'intuition' was no substitute."
Manstein: "While Hitler ... had an eye for any tactical opportunity [that] was offered him, he still lacked the ability to assess [the] practicality of a plan."
Hans-Georg Krebs: "To [Manstein] Hitler was the ignorant little lance corporal. ... To [Manstein] it was a heavy blow that this man was now in charge of Germany's military."
Erwin Rommel: "Manstein is a man of illusions. ... He believes Hitler will listen to facts."
ISTJs in popular culture
ISTJ
Robert De Niro
Actor
De Niro: "You don't just play a part. You've got to earn the right to play it."
De Niro: "As a kid I didn't root for the bad guys."
De Niro: "I certainly know the difference between right and wrong."
De Niro: "The hardest thing about being famous is that ... in a conversation everybody's agreeing with what you're saying. ... You need people who can tell you what you don't want to hear."
Matt Damon: "He's famous for being obsessive about details."
ISTJ
Sean Connery
Actor
Connery: "[James Bond's qualities of] self-containment, his powers of decision, his ability to carry on through till the end and to survive ... I like to think I acquired them before Bond."
Connery: "Ever since the introduction of psychoanalysis there have been too many terms to excuse behavior and phrases that can be [used] to explain everything."
Tom Clancy: "Sean Connery was a most agreeable gentleman. ... I was most impressed with him. Good guy." [Upon meeting Connery in 1989.]
Connery identifies himself as an introvert.
ISTJ
Morgan Freeman
Actor
Freeman: "I don't care who [someone] is. ... You know your job, I know mine, let's go do it."
Freeman: "I can only be so long without work before I start getting antsy."
Freeman: "Work is refreshing ... work is pleasant. The more the better. Lying around ... is debilitating."
Robert Benson: "You cannot act moral fiber, or a certain kind of stature - you either have it or you don't. [Freeman] truly has that quality."
Interview Magazine: "Shrewd, grave, and authoritative, Freeman is one of the most reliable presences in American cinema."
ISTJ
John Malkovich
Actor
Malkovich: "Real stars are [the] people who work in a factory and instill good values in their children."
Malkovich: "I have never been someone who was so ... intent on the future that I couldn't live in the present."
Malkovich: "Unlike ... people who [improvise] I'm a plodder. ... I go and I show up every day ... and it works its way into me."
Malkovich: "I've got a reputation as a cold [intellectual]. But nothing could be further from the truth. ... People confuse roles I play with me."
New York Observer: "[In person he] comes across ... as ... laconic ... understated [and] sincere. ... He's nothing like the characters he has played."
ISTJ
Elizabeth II
Queen of England, mother of King Charles
Elizabeth: "There is nothing quite like the family gathering in familiar surroundings [and] in the traditional atmosphere of love and happiness that springs from the enjoyment of simple well-tried things."
Elizabeth: "Many grave problems and difficulties confront us all, but with a new faith in the old ... beliefs given us by our forefathers ... I know we shall be worthy of our duty."
Christopher Hitchens: "I will [grudgingly] admit that the present queen of England is a person of ... integrity."
Keirsey & son identify Elizabeth as ISTJ.
ISTJ
Christopher Lee
Actor
Lee: "We live in an age of decline. Look at the world. There is decline in morals, ideals, manners, respect ... just about everything, in fact."
Lee: "The problem today ... is that there are ... very young men and women ... playing very large parts in huge films and they simply ... don't have the ... experience ... to pull it off."
Lee: "[Retirement] is not for me. I hate being idle."
Lee: "I don't say things to the press that aren't true. It [does not] happen ... with me."
Lee: "[When I played Dracula it was] the only time [someone portrayed] the character exactly as Bram Stoker described him."
ISTJ
Jamie Hyneman
Host of 'MythBusters' along with Adam Savage
Hyneman: "Take ... responsibility for yourself. ... Self responsibility is a big, big thing as far as being able to maintain ethical behavior goes."
Hyneman: "I had no ambition to be on stage. As a person, I pretty much am who I seem to be on television; I'm a little bit deadpan."
Hyneman: "I don't want an average person making important decisions. ... People who are in charge of making decisions [should] have some credentials for being given the responsibility. If you want to drive a car, you need a driver's license."
Blast Magazine: "Jamie has a calm, no-nonsense attitude, and a tendency to grumble at anything he considers silly or unnecessary."
ISTJ
Nick Offerman
Actor, married to Megan Mullally
Offerman: "There's a lot of common sense ... which I feel like we have lost touch with."
Offerman: "Stand up for your principles and be loyal to your friends and family."
Offerman: "I always had a lot of confidence in my work ... but [other than that] I'm not a huge dreamer."
Amy Poehler: "When all the shit goes down and the world's about to end, Offerman would be a guy I'd want by my side."
Megan Mullally: "He's just a solid human being."
ISTJ
Natalie Portman
Actress
Portman: "I'd rather be smart than a movie star."
Portman: "I always liked school."
Portman: "[As a child] I was good at working with adults."
Portman: "I had a fashion designer tell me that when I wear a dress of his, it sells out across the country. ... It made me sad, because I want to be an influence in ways other than by [wearing] a pretty dress."
Portman: "I don't mean to criticize anyone. ... I think people should have fun, and have a good time, and enjoy the luck that we have to be lazy and dwell in consumerism. But ... it's a balance. ... I just think it's an important thing to engage in the world."
ISTJ
Rivers Cuomo
(Weezer)
Cuomo: "I believe in finishing what I started."
Cuomo: "[While] I like to explore new territory, deep down there's a piece of me that stays pretty consistent."
Cuomo: "I really am a homebody. I like having a wife and a kid and coming home every day for dinner and doing [household] tasks."
Cuomo: "I [did not] set out to do a fun band. [I am] really serious [about my music] and somehow that works."
Rolling Stone: "[He maintains] an elaborate ... spreadsheet that catalogs all the songs he's written. [Presenting it] he seems more excited about the spreadsheet than the prolificacy it documents."
Gavin Edwards: "He [comes across] more like an engineer than the lead singer of a band."
ISTJ
Matt Damon
Actor
Damon: "I'd had people say, 'You'll enjoy being famous for a week, and you'll never enjoy it again.' But I don't think I had that week. I may have been working and missed that moment."
Damon: "Your decisions here on earth matter, your behavior matters, and how you treat other people matters. ... It ... comes down to accountability for your own behavior [and] that's important."
Damon: "[I appreciate people who] take [their work] very seriously and who [exhibit] discipline and commitment."
Damon: "[In Hollywood there are people who are] famous for ... 10 minutes. Real careers take a long time to unfold."
ISTJ
Danica McKellar
Actress and author of math textbooks aimed at girls
McKellar: "I want to give girls a positive role model when it comes to being smart."
McKellar: "Almost every single section [in my books] has a real-life application. ... [I'm] putting girls in situations that they might actually experience in their lives."
About ISTJs
- Thorough and responsible administrators
- Strongly linked to the Compulsive personality
- Somewhat linked to the Schizoid personality
- More common in men than in women
- Repress their Extroverted Intuition function, meaning they sometimes resist change and view ingenuity with skepticism
- Test: ISTJ or INTJ?
- Test: ISTJ or ISFJ?
ISTJ Functions
1. Dominant: | Introverted Sensing |
2. Auxiliary: | Extroverted Thinking |
3. Tertiary: | Introverted Feeling |
4. Inferior: | Extroverted Intuition |
Even more ISTJs
- We have more notable ISTJs as part of our extended content
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