Here is an excerpt from an article written by Herminia Ibarra for Harvard Business Review and the HBR Blog Network. To read the complete article, check out the wealth of free resources, obtain subscription information, and receive HBR email alerts, please click here.

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Authenticity has become the gold standard for leadership. But a simplistic understanding of what it means can hinder your growth and limit your impact.

Consider Cynthia, a general manager in a health care organization. Her promotion into that role increased her direct reports 10-fold and expanded the range of businesses she oversaw—and she felt a little shaky about making such a big leap. A strong believer in transparent, collaborative leadership, she bared her soul to her new employees: “I want to do this job,” she said, “but it’s scary, and I need your help.” Her candor backfired; she lost credibility with people who wanted and needed a confident leader to take charge.

Or take George, a Malaysian executive in an auto parts company where people valued a clear chain of command and made decisions by consensus. When a Dutch multinational with a matrix structure acquired the company, George found himself working with peers who saw decision making as a freewheeling contest for the best-debated ideas. That style didn’t come easily to him, and it contradicted everything he had learned about humility growing up in his country. In a 360-degree debrief, his boss told him that he needed to sell his ideas and accomplishments more aggressively. George felt he had to choose between being a failure and being a fake.

Because going against our natural inclinations can make us feel like impostors, we tend to latch on to authenticity as an excuse for sticking with what’s comfortable. But few jobs allow us to do that for long. That’s doubly true when we advance in our careers or when demands or expectations change, as Cynthia, George, and countless other executives have discovered.

In my research on leadership transitions, I have observed that career advances require all of us to move way beyond our comfort zones. At the same time, however, they trigger a strong countervailing impulse to protect our identities: When we are unsure of ourselves or our ability to perform well or measure up in a new setting, we often retreat to familiar behaviors and styles.

But my research also demonstrates that the moments that most challenge our sense of self are the ones that can teach us the most about leading effectively. By viewing ourselves as works in progress and evolving our professional identities through trial and error, we can develop a personal style that feels right to us and suits our organizations’ changing needs.

That takes courage, because learning, by definition, starts with unnatural and often superficial behaviors that can make us feel calculating instead of genuine and spontaneous. But the only way to avoid being pigeonholed and ultimately become better leaders is to do the things that a rigidly authentic sense of self would keep us from doing.

Why Leaders Struggle with Authenticity

The word “authentic” traditionally referred to any work of art that is an original, not a copy. When used to describe leadership, of course, it has other meanings—and they can be problematic. For example, the notion of adhering to one “true self” flies in the face of much research on how people evolve with experience, discovering facets of themselves they would never have unearthed through introspection alone. And being utterly transparent—disclosing every single thought and feeling—is both unrealistic and risky.

Leaders today struggle with authenticity for several reasons. First, we make more-frequent and more-radical changes in the kinds of work we do. As we strive to improve our game, a clear and firm sense of self is a compass that helps us navigate choices and progress toward our goals. But when we’re looking to change our game, a too rigid self-concept becomes an anchor that keeps us from sailing forth, as it did at first with Cynthia.

Second, in global business, many of us work with people who don’t share our cultural norms and have different expectations for how we should behave. It can often seem as if we have to choose between what is expected—and therefore effective—and what feels authentic. George is a case in point.

Third, identities are always on display in today’s world of ubiquitous connectivity and social media. How we present ourselves—not just as executives but as people, with quirks and broader interests—has become an important aspect of leadership. Having to carefully curate a persona that’s out there for all to see can clash with our private sense of self.

In dozens of interviews with talented executives facing new expectations, I have found that they most often grapple with authenticity in the following situations.

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Here is a direct link to the complete article.

Herminia Ibarra is a professor of organizational behavior and the Cora Chaired Professor of Leadership and Learning at Insead. She is the author of Act Like a Leader, Think Like a Leader (Harvard Business Review Press, 2015) and Working Identity: Unconventional Strategies for Reinventing Your Career (Harvard Business Review Press, 2003). Follow her on Twitter @HerminiaIbarra and visit her website.