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Peter Rost, M.D., is a former Pfizer Marketing Vice President providing services as a medical device and drug expert witness and pharmaceutical marketing expert. Judge Sanders: "The court agrees with defendants' view that Dr. Rost is a very adept and seasoned expert witness." He is also the author of Emergency Surgery, The Whistleblower and Killer Drug. You can reach him on rostpeter (insert symbol) Please read the terms of use agreement and privacy policy for this blog carefully.

Who are you?

This may be the most important post I've ever written. You probably don't know yourself or why you do what you do. Unless you've taken the Myers-Briggs test or the Keirsey Temperament Sorter as it is also called. And don't worry; this is not one of those tabloid personality tests.

This test is used in all leadership development. Once you've taken the test and understood how it works, you will not only understand yourself and why you do what you do, but also understand your spouse, children, and co-workers.

Maybe even your boss. And that works to your advantage.

You see, you'll be able to guess pretty well who someone is, what profile they have, and then you can go and look up how they'll react. This test was part of what helped me become a general manager for a region, what helped me to become a vice president.

Essentially, people can be divided into four classes. Extrovert (loves to be with people) or introvert (likes to work alone). Creative (lots of ideas) or practical (down to earth). Thinking (makes decision with head) or feeling/sensing (makes decisions with heart). Organized/judging/rigid (keeps perfect office, but less perceptive) or perceptive/flexible (messy office, but good at reading people). So if you take these four groups of main traits, you can then combine them into sixteen distinctive personality types, with very good descriptions. And you are one of them.

Here you find out who you are, using a free test with 70 questions, called the Keirsey Temperament Sorter:

But this site is the best to read about YOUR profile when you have the result. Don't take the test there, they charge you for it.

If you don't like above sites, just put in the letters "ENTJ" in Google and you'll find tons of other sites also doing the test.

Here are the sixteen types:

ISTJ - The Duty Fulfillers
ESTJ - The Guardians
ISFJ - The Nurturers
ESFJ - The Caregivers
ISTP - The Mechanics
ESTP - The Doers
ESFP - The Performers
ISFP - The Artists
ENTJ - The Executives
INTJ - The Scientists
ENTP - The Visionaries
INTP - The Thinkers
ENFJ - The Givers
INFJ - The Protectors
ENFP - The Inspirers
INFP - The Idealists

So who am I?

I guess the following may not surprise you . . . nor will it surprise Pfizer's lawyers. Hey, I even remember them using words such "self-aggrandizement" when they whine about me in various letters. See I can't help myself!

Portrait of an ENTJ - Extraverted iNtuitive Thinking Judging
(Extraverted Thinking with Introverted Intuition)


The Executive

As an ENTJ, your primary mode of living is focused externally, where you deal with things rationally and logically. Your secondary mode is internal, where you take things in primarily via your intuition.

ENTJs are natural born leaders. They live in a world of possibilities where they see all sorts challenges to be surmounted, and they want to be the ones responsible for surmounting them. They have a drive for leadership, which is well-served by their quickness to grasp complexities, their ability to absorb a large amount of impersonal information, and their quick and decisive judgments. They are "take charge" people.

ENTJs are very career-focused, and fit into the corporate world quite naturally. They are constantly scanning their environment for potential problems which they can turn into solutions. They generally see things from a long-range perspective, and are usually successful at identifying plans to turn problems around - especially problems of a corporate nature. ENTJs are usually successful in the business world, because they are so driven to leadership. They're tireless in their efforts on the job, and driven to visualize where an organization is headed. For these reasons, they are natural corporate leaders.

There is not much room for error in the world of the ENTJ. They dislike to see mistakes repeated, and have no patience with inefficiency. They may become quite harsh when their patience is tried in these respects, because they are not naturally tuned in to people's feelings, and more than likely don't believe that they should tailor their judgments in consideration for people's feelings. ENTJs, like many types, have difficulty seeing things from outside their own perspective. Unlike other types, ENTJs naturally have little patience with people who do not see things the same way as the ENTJ. The ENTJ needs to consciously work on recognizing the value of other people's opinions, as well as the value of being sensitive towards people's feelings. In the absence of this awareness, the ENTJ will be a forceful, intimidating and overbearing individual. This may be a real problem for the ENTJ, who may be deprived of important information and collaboration from others. In their personal world, it can make some ENTJs overbearing as spouses or parents.

The ENTJ has a tremendous amount of personal power and presence which will work for them as a force towards achieving their goals. However, this personal power is also an agent of alienation and self-aggrandizement, which the ENTJ would do well to avoid.

ENTJs are very forceful, decisive individuals. They make decisions quickly, and are quick to verbalize their opinions and decisions to the rest of the world. The ENTJ who has not developed their Intuition will make decisions too hastily, without understanding all of the issues and possible solutions. On the other hand, an ENTJ who has not developed their Thinking side will have difficulty applying logic to their insights, and will often make poor decisions. In that case, they may have brilliant ideas and insight into situations, but they may have little skill at determining how to act upon their understanding, or their actions may be inconsistent. An ENTJ who has developed in a generally less than ideal way may become dictatorial and abrasive - intrusively giving orders and direction without a sound reason for doing so, and without consideration for the people involved.

Although ENTJs are not naturally tuned into other people's feelings, these individuals frequently have very strong sentimental streaks. Often these sentiments are very powerful to the ENTJ, although they will likely hide it from general knowledge, believing the feelings to be a weakness. Because the world of feelings and values is not where the ENTJ naturally functions, they may sometimes make value judgments and hold onto submerged emotions which are ill-founded and inappropriate, and will cause them problems - sometimes rather serious problems.

ENTJs love to interact with people. As Extroverts, they're energized and stimulated primarily externally. There's nothing more enjoyable and satisfying to the ENTJ than having a lively, challenging conversation. They especially respect people who are able to stand up to the ENTJ, and argue persuasively for their point of view. There aren't too many people who will do so, however, because the ENTJ is a very forceful and dynamic presence who has a tremendous amount of self-confidence and excellent verbal communication skills. Even the most confident individuals may experience moments of self-doubt when debating a point with an ENTJ.

ENTJs want their home to be beautiful, well-furnished, and efficiently run. They're likely to place much emphasis on their children being well-educated and structured, to desire a congenial and devoted relationship with their spouse. At home, the ENTJ needs to be in charge as much as he or she does in their career. The ENTJ is likely best paired with someone who has a strong self-image, who is also a Thinking type. Because the ENTJ is primarily focused on their careers, some ENTJs have a problem with being constantly absent from home, physically or mentally.

The ENTJ has many gifts which make it possible for them to have a great deal of personal power, if they don't forget to remain balanced in their lives. The are assertive, innovative, long-range thinkers with an excellent ability to translate theories and possibilities into solid plans of action. They are usually tremendously forceful personalities, and have the tools to accomplish whatever goals they set out for.

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Anonymous Anonymous said...

Yes, have taken many. I'm INFJ

Blogger insider said...


It's great to meet a fellow ENTJ. Although I had pretty much "read" you, given your past.

I still recall the revelation it was to discover this about myself(and how I interact with others).

Very powerful stuff.

How do you enjoy the solitary nature of writing?

Blogger Peter Rost said...

Hi Insider,

The solitary nature of writing, I do not enjoy. I guess that's the reason I gravitate back to this blog, rather than write on that new book . . . at least here people are responding, so it is an effective substitute for face-to-face interaction . . .


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