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 # AllianceBernstein - Stewardship Across Generations: A Stronger Model for Japan’s Boards

 


 

 Jun 2, 2026 8:30 AM ET

  Campaign:  [Responsible Investing ](/news/campaign/responsible-investing)  ![group of elephants walking across a plain](/sites/default/files/styles/carousel_2x/public/images/stewardship-across-generations_ALLIANCEBERNSTEIN_042726A.jpg) 

[Bob Herr](https://www.alliancebernstein.com/corporate/en/bio.bob-herr.html)| Director of Corporate Governance  
[Zhiyuan Tao, CFA](https://www.alliancebernstein.com/corporate/en/bio.zhiyuan-tao.html)| Portfolio Manager—Japan Value Equities; Senior Research Analyst—Value Research  
[Haruna Usui, CMA](https://www.alliancebernstein.com/corporate/en/bio.haruna-usui.html)| Head of ESG Strategy―AB Japan

**Japanese companies favor seniority, but there may be material benefits to multigenerational boards.**

Japan has made major strides in [corporate governance](https://www.alliancebernstein.com/corporate/en/insights/investment-insights/the-proof-is-in-the-proxy-connecting-governance-to-returns.html) over the past decade. Reforms have included increasing board independence and modernizing committee structures. Yet one component of Japanese boards remains relatively unchanged: age. That’s a material oversight, in our view. Corporate boards that are too monolithic could be putting a damper on profits.  
  
Corporate boards in Japan have long been characterized by seniority and continuity against a backdrop of lifetime employment. More than 95% of directors in the TOPIX 100 are in the [bubble generation](https://www.nippon.com/en/japan-data/h00535/japanese-generations-boom-bubble-and-ice-age.html) or older, while fewer than 1% are under the age of 50. This level of experience provides stability and institutional knowledge, but it may also entrench decision-making and hinder capital efficiency.  
  
Many boards in Japan prioritize balance sheet safety over returning capital to shareholders and taking calculated risks. This has helped contribute to a more than [10% gap in return on equity (ROE) between Japanese and US equities](https://www.alliancebernstein.com/corporate/en/insights/investment-insights/japans-corporate-reforms-create-a-catalyst-for-equity-returns.html) . In a market long challenged by poor capital allocation, we think multigenerational boards can help buck this trend.

## **Multigenerational Boards Can Boost Performance**

Studies in both the US and Europe present a clear link between multigenerational boards and financial performance. [He, Miletkov and Staneva](https://www.sciencedirect.com/science/article/abs/pii/S0927539823000117) found that companies with younger directors not only generate higher return on assets but also command higher price-to-book values—particularly for [firms that invest more in R&D and engage in patenting activity](https://www.alliancebernstein.com/corporate/en/insights/investment-insights/the-case-for-multigenerational-corporate-boards.html).  
  
Younger boards can also mean less exposure to defaults—and chicanery. [Janahi, Millo and Voulgaris](https://wrap.warwick.ac.uk/id/eprint/166665/1/WRAP-age-diversity-monitoring-role-corporate-boards-evidence-from-banks-Millo-2022.pdf) discovered that banks with multigenerational boards experience fewer nonperforming loans, while [Neukirchen, Posch and Betzer](https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4099382) observed less corporate misconduct among firms with a greater age range.  
  
These findings cumulatively suggest that multigenerational boards have the potential to improve capital allocation, reduce risk and boost valuations.

## **Mind the Gaps: Age and ROE**

Our own in-house research confirms these findings. We tracked TOPIX constituents over a 10-year period—the largest study of its kind. The results were striking.  
  
Firms with a more than 30-year age gap between the youngest and oldest director—what we define as multigenerational boards—delivered ROE more than 200 basis points higher, on average, than companies with more senior boards. This outperformance occurred in every calendar year during the period, and the results were statistically significant across sectors. Multigenerational boards achieved superior ROE in all but one sector, with the dispersion independent of size, style or founder-led status (*Display*).

![Multigenerational Japanese Boards Have Historically Generated Stronger Returns](https://3blaws.s3.amazonaws.com/inline-images/stewardship-across-generations_ALLIANCEBERNSTEIN_042726B.png)

Why the improved performance under multigenerational boards? We theorize that younger directors counterbalance the risk-averse tendencies of more senior directors. Prior academic research shows that younger boards exhibit greater risk tolerance, on average, than their senior counterparts. This is reflected in [increased M&A activity and lower cash balances](https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1364470&).  
  
Of course, experience and qualifications remain critically important to board appointments. We favor a balanced approach that preserves legacy institutional knowledge while opening the door to next-generation dynamism.  
  
What does this look like in practice?

## **Hello Kitty’s Generational Glow-Up**

Sanrio, the company behind the popular Hello Kitty brand, has long held a rich portfolio of valuable intellectual property. But historically, its business model focused largely on domestic merchandise sales. The company maintained consistent leadership for many decades under its founder, Shintaro Tsuji, which contributed to stability but slowed strategy development. As market conditions evolved and retail trends shifted, Sanrio’s merchandise business came under pressure, and the company recorded a loss in fiscal year 2020.  
  
Recognizing the need to adapt, the 92-year-old Tsuji turned leadership of the company over to his 31-year-old grandson but remained on the board. Sanrio’s young new president initiated sweeping reforms by refreshing the board and management, overhauling retail operations, and recruiting external talent with diverse backgrounds.  
  
The company also expanded its international footprint and leveraged social media and streaming services to amplify its brand. These changes unlocked the global potential of Sanrio’s character portfolio and repositioned the firm as an entertainment-focused intellectual-property enterprise, rather than a traditional retailer.  
  
The effect on operating profit and ROE has been dramatic (*Display*). Sanrio now expects operating profit of ¥75.1 billion in FY 2025—more than triple its previous peak of ¥21 billion in FY 2013. Moreover, the company’s stock price has increased tenfold, reflecting renewed investor confidence in its strategy and earnings potential.

![ Hello Kitty’s Parent Rebounded Soon After Board Refresh](https://3blaws.s3.amazonaws.com/inline-images/Screenshot%202026-04-27%20at%201.40.34%E2%80%AFPM.png)

Sanrio’s transformation illustrates how a fresh generational perspective can address underlying issues hindering shareholder returns. In our view, if properly implemented, multigenerational boards can unlock organizational agility, greater independence and new pathways for value creation. In an era of rapid market and technological change, we believe boards that balance experience with fresh perspectives can be catalysts for building shareholder value.  
  
*The authors would like to thank Landon Shea, Investment Stewardship Associate and Research Lead, for his contribution to this piece.*

**The views expressed herein do not constitute research, investment advice or trade recommendations, do not necessarily represent the views of all AB portfolio-management teams and are subject to change over time.**

**References to specific securities discussed are for illustrative purposes only and should not to be considered recommendations by AllianceBernstein L.P. It should not be assumed that investments in the securities mentioned have necessarily been or will necessarily be profitable.**

Learn more about AB’s approach to responsibility [here](https://www.alliancebernstein.com/corporate/en/corporate-responsibility.html?syn:pan-emea:brand:3bl:eu942).



 

 

 

 

 

 

 

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