About the Author

William (Bill) Natbony is The Lonely Realist, its author & originator. The opinions expressed in TLR are solely Bill’s opinions, have not been edited or reviewed, and do not reflect the views or opinions of any other person.


Bill is the General Counsel and Deputy Chief Executive Officer of Edgestream Partners, L.P., an institutional investment manager that employs proprietary mathematical, machine-learning models to identify trading opportunities.


Before joining Edgestream, Bill was the founder, Executive Chairman and CEO of the Tigris Group Inc., a diversified, multi-billion dollar single-family office, and prior to that Bill was a senior financial services partner at the international law firm of Katten Muchin Rosenman LLP. Bill has been named to 3000 Leading Lawyers in America, New York Super Lawyers, and Best Lawyers in America, and has served on the Boards of Directors of a number of public and private biotechnology, metals, mining and resources companies, and charitable organizations.

Bill earned his B.A. from Queens College of the City University of New York, his J.D. from NYU School of Law, and his LL.M. (in Taxation) from NYU School of Law. He thereafter was a research fellow at Yale Law School and tenured Professor at New York Law School. He is admitted to the practice of law in New York and has published extensively in legal and business journals.