Mai Shin's Career Pivot from Finance to Entrepreneurship in Japan

The moment things shifted

In 2016, Mai Shin gave birth to her first daughter. During her maternity leave that same year, she read LIFE SHIFT, a book examining how careers and life stages are evolving in an era of increased longevity. The reading was not incidental—it arrived at a moment when her professional identity was being tested by the demands of new parenthood.

At that point, Shin was working at Goldman Sachs, a position that had placed her on a particular trajectory within finance. The book prompted her to examine whether that path aligned with what she actually wanted from her working life. LIFE SHIFT presented a framework for thinking about careers differently: not as a single, accelerated climb, but as something that could span decades with multiple chapters, each with its own focus and rhythm.

What they tried

Shin spent two years after her daughter's birth working through what this reorientation might mean in practice. She remained at Goldman Sachs during this period, but her thinking was shifting. The conventional model—rapid advancement, concentrated earning years, then retirement—no longer seemed to fit what she was considering. She began to envision a different structure for her professional life, one that would allow for flexibility and sustained engagement over a much longer timeline.

By 2018, two years after reading LIFE SHIFT, Shin made her move. She left Goldman Sachs to pursue entrepreneurship. This was not a retreat from ambition, but a redirection of it. Rather than climbing a predetermined corporate ladder, she would build something of her own, with the freedom to shape how her work evolved.

What worked, what didn't

The decision to leave finance and start her own business proved workable because it aligned with a longer-term vision. Shin now runs her own enterprise, and she has adopted a distinctly extended perspective on her career: she envisions working until the age of 80. This is not a casual comment about staying active in retirement. It reflects a fundamental shift in how she thinks about the relationship between work, learning, and fulfillment across a full life span.

"I thought that introducing significant changes to my career would allow me to enjoy it longer, which led to my decision." — Mai Shin in an interview with Iolite, 2026

Her business now focuses on long-term career development and continuous learning—areas that reflect both her own experience and her evolving priorities. The transition from a structured corporate environment to entrepreneurship required her to manage different kinds of uncertainty, but it also granted her the autonomy to build something aligned with her values.

What they'd tell someone else

Shin's path demonstrates that major career decisions do not always emerge from dissatisfaction with the work itself. Sometimes they come from a shift in perspective about what a working life can be. A book, a life event, or both together can reframe what feels possible. For her, becoming a parent and then encountering LIFE SHIFT created the conditions for reconsidering everything.

The practical lesson is less about the specific choice—leaving finance, starting a business—and more about the willingness to question inherited assumptions about how careers should unfold. Shin's decision to leave Goldman Sachs was grounded not in a sudden crisis but in a deliberate choice to introduce change while she still had decades of working life ahead. That choice, made in 2018, reflected a calculation about what would sustain her engagement and growth over the long term. Her story illustrates how personal experiences and literature can reshape professional direction, and how long-term planning and adaptability—rather than rigid advancement—can define a more durable approach to work.