As family wealth grows, so does the need for disciplined, objective decision-making. While institutions such as endowments and family businesses rely on formal governance structures to steward capital over long horizons, many families with institution-sized assets lack comparable processes for managing their investable wealth. In the absence of clear decision-making protocols, family dynamics can overshadow strategy—often leading to conflict, short-term choices, and fragmented outcomes. This article demystifies the concept of family governance, reframing it not as bureaucracy but as a practical framework for communication, alignment, and long-term stewardship. It outlines the core elements of effective family investment governance, traces how governance evolves over time, and offers actionable guidance for advisors seeking to help families preserve wealth, uphold shared values, and build trust across generations.