President Trump consults a broad network of formal and informal advisors, with varying degrees of transparency about how specific opinions are weighted when considered by the President and his office. These advisors have public and private backgrounds, and include international business leaders, media moguls, tech executives, and prominent influencers. These groups and individuals also have varying degrees of involvement in government leadership. This report overviews some of the most impactful organizations and individuals influencing the President, lawmakers, and regulators.