David B. Horn, banker to the superwealthy, has left Bessemer Trust less than one year after jumping there from Chicago's Northern Trust Corp.

Mr. Horn has set up his own private banking boutique, Graystone Partners, which he says specialties in nontraditional investments. The venture is being backed by the Blackstone Group, the prominent New York merchant bank.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.