Evolving Intelligence: How Our Work Changes Through the Decades
As we journey through our careers, our approach to work evolves. I’m obsessed with Arthur Brooks’, and I found his perspective on the changing nature of our intelligence and work styles through different life stages really helpful.
Three Things to Think About as You Grow in Your 30s and 40s:
1. The Shift from Fluid to Crystallized Intelligence
In our 20s and 30s, we’re at the peak of what Brooks calls “fluid intelligence.” This is our raw, innovative power — the ability to solve new problems quickly, think on our feet, and come up with original ideas. It’s why so many groundbreaking startups are founded by people in this age group.
However, as we move into our 40s and beyond, we transition to “crystallized intelligence.” This is where our pattern recognition skills shine, and we excel at connecting dots from our vast experience. It’s not about decline; it’s about evolution.
Ever notice how The Rolling Stones haven’t written a new, amazing song? Or how your professors are all in their 40s and 50s?
What does this mean for you?
Recognize where you are on this intelligence spectrum and leverage it accordingly.
If you’re in your 20s or 30s, capitalize on your innovative thinking and quick problem-solving skills. If you’re in your 40s or beyond, start focusing on how you can use your wealth of experience to see patterns and make connections others might miss.
Remember, both types of intelligence are valuable — it’s about playing to your current strengths.
2. From Star Performer to Mentor and Teacher
The second significant shift you should be aware of in your career is your role transition. In our earlier years, we’re often the star performers, the ones doing the groundbreaking work. But as we age, our greatest value comes from being mentors and teachers. We become the ones who can guide the next generation, sharing our accumulated wisdom and helping others avoid the pitfalls we’ve encountered. This shift requires us to reframe our definition of success and find fulfillment in others’ achievements as much as our own.
What does this mean for you?
First, in your 30s, you need to be the star performer! You should be thinking and creating and pushing the limits!
But…know when that spark is gone and start cultivating your mentorship skills. At that point, look for opportunities to share your knowledge and experiences with others, whether through formal mentoring programs or informal guidance to colleagues.
But you can only be a great teacher if in your 30s you accumulated an insane amount of knowledge and expertise. It’s what Bach did. He was the greatest composer ever, but when he hit his 40s, he didn’t adapt to the change in music and just kept writing the same old stuff.
As you progress in your career, gradually shift your focus from personal achievements to team successes and the growth of those around you.
3. Redefining Success and Happiness
The most important point for me is about redefining success and happiness. In our younger years, we often equate success with tangible achievements — money, promotions, recognition. But as we mature, we begin to understand that true happiness and success come from deeper sources: meaningful relationships, serving others, and spiritual or philosophical growth. This shift in perspective allows us to find greater satisfaction in our work and life, even as our roles change.
What does this mean for you?
Take time to reflect on what truly brings you satisfaction in your work and life. Start incorporating more elements of service, relationship-building, and personal growth into your career goals. Consider how you can align your work with your evolving values and find ways to contribute to something larger than yourself, regardless of your current career stage.
As I’ve moved through my career, I’ve felt the shift from being the “idea person” to the one who can see the bigger picture and guide others. It’s been both challenging and rewarding to adapt to these changes.
Understanding these transitions can help us navigate our careers with greater intention and satisfaction. Instead of fighting against the natural evolution of our skills and roles, we can lean into them, finding new ways to contribute and derive meaning from our work at every stage of life.
What’s your experience been? Have you noticed these shifts in your own career? I’d love to hear your thoughts and experiences as we all navigate this fascinating journey of professional and personal growth.
