Rotary Means Business Fellowship (RMBF) is a specialized network within Rotary International that brings together like-minded professionals and business leaders who share a commitment to high ethical standards in both their professional and Rotary activities.Rotary Means Business Fellowship (RMBF) is a specialized network within Rotary International that brings together like-minded professionals and business leaders who share a commitment to high ethical standards in both their professional and Rotary activities.