Arnold Ventures is a philanthropic limited liability company founded in 2008 by Laura and John Arnold. Based in Houston, with offices in New York and Washington, D.C., the organization is dedicated to improving the lives of Americans by addressing systemic issues through evidence-based policy solutions. It employs over 100 experts focused on research, advocacy, and policy reform.

The organization works in key areas such as Criminal Justice, Higher Education, Health, Infrastructure, and Public Finance. Arnold Ventures funds research to identify the root causes of systemic problems and advocates for scalable, bipartisan policy reforms to create lasting change. Its unique structure as an LLC allows for operational flexibility and the ability to make significant philanthropic investments. With assets exceeding $4 billion, Arnold Ventures emphasizes data-driven solutions and coalition-building to reduce injustice and expand opportunity across the nation.