Brain Capital and the Case for Systemic Investing
- SecondMuse Capital

- Apr 22
- 2 min read
By Natalia Arjomand, Senior Director, SecondMuse Capital & David Ball, Head of Well-being, SecondMuse
Brain capital, the prevention and promotion of brain health and brain skills, is gaining real momentum as an investment priority. A recent McKinsey Health Institute and World Economic Forum report puts the potential at $6.2 trillion in cumulative GDP gain by 2050. The evidence is compelling, but compelling evidence alone has never been enough to build a market. What's missing is the investment architecture to match.
At SecondMuse Capital, we believe that architecture is systemic investing, and that the window to help shape it is open right now. Here's why:
The brain economy is at the same inflection point that clean energy was 20 years ago. Markets don't unlock because the science is strong. They unlock because someone builds the shared infrastructure that makes investment legible and repeatable. Clean energy needed two decades of standardized frameworks, coordinated policy and proof-of-concept deals before capital flowed at scale. The brain economy is on that same trajectory today.
Systemic investing is the right logic for the complexity involved. Brain health and brain skills are shaped at every life stage by intersecting systems: food, housing, education, work, healthcare, and social connection. No single sector owns this problem, and no single investment theme can hold that complexity. Systemic investing coordinates the right mix of investors, funders and capital types across sectors and asset classes to shift conditions, not just fund solutions.
Coordinated investments in brain capital don't add. They multiply. Within complex systems, not all intervention points are equal. Early childhood development, food systems, and the workplace are among the nodes where a targeted capital input shifts health, productivity, and economic trajectories for decades. When those investments are coordinated across levels, returns compound in ways no isolated intervention could generate.
We've seen this work. SecondMuse's Headstream initiative spent nearly a decade taking a whole-economy approach to youth mental health, building shared measurement frameworks, connecting startups to institutional markets and coordinating action across funders, health systems and policymakers. Portfolio companies have now reached more than 50 million young people and raised $237M in follow-on funding. Brain capital, at its full scale, requires the same logic applied at a larger and more complex level.
The enabling conditions for this kind of coordinated investment are actively being built. The infrastructure that will make the brain economy investable at scale is being constructed right now, and the investors and funders who engage early will help define it.
SecondMuse Capital will be at the Skoll World Forum in Oxford, April 20 to 24. To connect with our team, reach out here.
This is an edited summary of a longer piece published on the SecondMuse website. Read the full article here.
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