As therapists, we inhabit a professional culture that stresses the importance of being accommodating, tactful, nonconfrontational. It’s part of our job description to get along with people, play well with others, and not rock the boat. Nevertheless, there are times when a therapist with a sufficient sense of mission who genuinely cares about underserved clients needs to stop worrying about rubbing some people—particularly the powers that be—the wrong way.

On one level, Bessel van der Kolk looks and sounds like one of the powers that be. Not only is he a classically trained psychodynamic psychiatrist who underwent his own analysis, he even looks and sounds a bit as if he could have been in Freud’s inner circle. Medical director of The Trauma Center in Boston, professor of psychiatry at Boston University Medical School, and director of the National Center for Child Traumatic Stress Complex Trauma Network, he perfectly embodies the role of Big Cheese in psychotherapy circles. And yet, fundamentally, he’s a rebel—or perhaps a knight-errant would be a better term—who fights on behalf of traumatized people, fervently committed to bringing them the best treatment possible and not afraid to offend the therapeutic establishment in the process.

For the past 30 years, he’s been instrumental in bringing the insights of neuroscience into our understanding of trauma, and was the first “establishment” psychiatrist to publicly champion a range of unconventional mind–body…