The stark reality for family office executives and senior advisors is the inevitable encounter with a family member whose mental capacity is either temporarily compromised or permanently declining. This challenging, yet common, scenario underscores a surprising lack of preparedness within the industry, often leading to the avoidance of critical conversations until it is too late. The consequences can be profound, impacting wealth preservation, family harmony, and the legacy of significant fortunes.
The Growing Global Challenge of Cognitive Decline and Mental Health
The scale of cognitive impairment is a significant global concern, directly impacting the well-being and financial security of individuals and families. According to estimates published by Alzheimer’s Disease International, over 55 million people worldwide are currently living with a dementia diagnosis. This figure is projected to rise dramatically to 139 million by 2050, presenting a growing challenge for families and their advisors.
Furthermore, the World Health Organization reports that more than one billion people globally are living with a diagnosed mental health disorder. A substantial portion of these individuals, approximately 20 percent, experience temporary or permanent impairment, which can significantly affect their decision-making abilities and overall functioning. Wealth, while often associated with access to superior resources, offers scant protection against these pervasive health challenges, as evidenced by high-profile cases that have entered the public domain.

Case Studies: The Perils of Exploitation and the Need for Proactive Planning
High-profile cases illustrate the vulnerabilities faced by even the wealthiest individuals when cognitive decline sets in. The L’Oréal heiress, Liliane Bettencourt, became the subject of intense scrutiny and a Netflix series due to allegations of exploitation. Her daughter, Françoise Bettencourt Meyers, filed a criminal complaint in 2007 against society photographer François-Marie Banier. The complaint alleged that Banier had exploited Bettencourt’s psychological fragility, exacerbated by her Alzheimer’s diagnosis, to illicitly obtain close to €1 billion in gifts. These assets included valuable artworks by Picasso and Matisse, as well as life insurance contracts.
In 2015, a Bordeaux court convicted Banier of abus de faiblesse (abuse of weakness), sentencing him to three years in prison and ordering him to pay €158 million in damages. The case also saw the conviction of seven co-defendants, including a former financial adviser and a lawyer, highlighting the intricate network of individuals who can be involved in such exploitation.
This vulnerability is not confined to Europe. The US AARP Public Policy Institute, in a June 2023 paper co-produced with the University of Chicago, revealed the alarming extent of financial exploitation by individuals in positions of trust. The report estimated that older Americans lose $28.3 billion annually to financial exploitation, with a staggering 72 percent of these losses attributed to perpetrators known to the victim. This statistic underscores the critical importance of safeguarding vulnerable individuals from those they believe they can trust.
The Evolving Landscape of Family Office Advisory
The traditional role of a family office has expanded significantly beyond mere wealth management. It now encompasses comprehensive stewardship, including the safeguarding of family members’ well-being and the preservation of their autonomy and legacy. In this context, addressing potential cognitive decline is not just a matter of financial prudence but also a fundamental aspect of fiduciary responsibility.

Reframing the Conversation: From Loss of Control to Empowered Protection
Michael Armstrong, a counsel at the law firm Forsters and an expert in mental capacity, advocates for a strategic reframing of the conversation around incapacity. Instead of focusing on a potential loss of control, he suggests approaching it as a proactive measure to protect existing control and ensure future wishes are honored. Armstrong proposes phrasing such as: "We will co-create a plan, which puts measures in place for your protection, ensuring your wishes are honored."
This approach emphasizes collaboration and empowerment, making the topic of incapacity planning more palatable and less confrontational. The idea that such planning can preempt future disputes among siblings or other family members also resonates strongly with wealth owners. By establishing clear directives and legal frameworks in advance, families can mitigate potential conflicts and ensure a smoother transition of responsibilities and assets.
Some forward-thinking wealth owners are even taking the initiative to undergo cognitive assessments proactively when making significant changes to their financial affairs. This demonstrates a growing awareness of the importance of documented mental capacity. For individuals uncertain about whom to trust, a prudent measure is to incorporate a requirement for two-doctor certification to either diagnose or de-diagnose capacity impairment. This adds an extra layer of objectivity and verification to the assessment process.
Navigating Cross-Border Complexities and Legal Nuances
For families with international ties and assets, the complexities surrounding diminished mental capacity are significantly amplified. A power of attorney legally recognized in one jurisdiction may not hold sway in another. This can lead to protracted legal battles and significant delays in accessing assets, even when the underlying incapacity is not in dispute. The process of seeking recognition of legal documents in a second country can consume years, creating substantial financial and emotional strain.

The Hague Conference on Private International Law’s 2000 Protection of Adults Convention offers a framework to address these cross-border challenges. However, its effectiveness is contingent upon universal ratification, which has not yet been achieved. Furthermore, its effective utilization requires meticulous planning undertaken well in advance of any potential need, highlighting the importance of early and comprehensive legal counsel.
A frequently underestimated issue is the scope of a lasting power of attorney (LPA). Generally, an LPA does not automatically extend to roles such as company director, trust protector, or family council member. Families often mistakenly assume a generic power of attorney covers all eventualities. This oversight can leave critical leadership positions and decision-making authorities unprotected, creating significant governance gaps.
The Challenge of Fluctuating Capacity
One of the most intricate aspects of mental capacity is the phenomenon of "fluctuating capacity." Individuals with conditions like bipolar disorder or early-stage dementia may experience periods of clarity and periods of impairment. This variability presents profound human and legal challenges.
Legally, capacity is assessed on a decision-by-decision, moment-by-moment basis. This nuanced approach, while theoretically sound, is practically difficult to implement, especially in cases of fluctuating capacity. There appears to be no universally perfect solution for managing such situations.

One US-based family office practitioner noted the concept of "durable" powers of attorney, which can be activated by the opinion of one doctor and suspended by the opinion of a second. This mechanism offers a degree of flexibility that is not widely available in most other countries. The lack of such standardized, flexible legal frameworks in many jurisdictions complicates the management of fluctuating capacity and necessitates highly individualized planning.
Building a Robust Framework for Incapacity Planning
The imperative for proactive incapacity planning cannot be overstated, particularly for families managing substantial assets and navigating international complexities. The absence of a comprehensive crisis management playbook within many family offices is a significant oversight that can lead to detrimental outcomes.
Key Strategies for Family Offices and Advisors:
- Early and Open Communication: Initiate conversations about incapacity planning long before it becomes an urgent necessity. Frame the discussion as a positive step towards ensuring future wishes are honored and family harmony is preserved.
- Develop a Crisis Management Playbook: Establish clear protocols and procedures for identifying, assessing, and responding to situations involving diminished mental capacity. This playbook should outline roles, responsibilities, communication channels, and decision-making hierarchies.
- Legal Expertise and Cross-Border Diligence: Engage legal professionals with specialized expertise in mental capacity law, estate planning, and international private law. Ensure that all legal documents, such as powers of attorney and wills, are reviewed and updated regularly to reflect current laws and family circumstances, paying particular attention to cross-border recognition.
- Objective Assessment Mechanisms: Where possible, incorporate mechanisms for objective assessment of mental capacity, such as requiring certification from multiple medical professionals. This adds a layer of impartiality and reduces the risk of undue influence.
- Consider Specific Role Protections: Beyond general powers of attorney, explore specific legal instruments that can protect roles held as company directors, trust protectors, or family council members. This ensures continuity of leadership and governance.
- Educate Family Members: Foster an environment where discussions about aging, health, and future planning are normalized. Educate family members about the importance of these conversations and the potential risks associated with inaction.
The Future of Family Office Stewardship
The increasing global prevalence of cognitive decline and mental health challenges necessitates a paradigm shift in how family offices operate. Proactive, sensitive, and legally robust planning for diminished mental capacity must become a cornerstone of their advisory services. By addressing these issues head-on, family offices can fulfill their fiduciary duties, protect family wealth, and uphold the long-term well-being and legacy of the families they serve. The cost of inaction, both financially and emotionally, is simply too high to ignore.
This article first appeared in the 20th anniversary edition of Spear’s Magazine (Issue 101).
