"We are focused on moving forward within our organization — and were already underway with our presidential search, following Jeffrey Lacker's announcement in January to retire in 2017," it said in a statement. "This search process will continue as scheduled."
The Medley investigation involves allegations that confidential information from the Federal Reserve Board committee, which sets monetary policy, was leaked to a private newsletter. Such a leak could have given an unfair advantage to some investors.
On Tuesday, a Financial Times spokesperson said " Medley Global Advisors is a journalistic organization that publishes in-depth macro policy coverage and analysis. Like all other journalistic organizations, reporting necessarily requires working with sources."
The Fed also released a statement saying, it "is committed to maintaining the security of confidential FOMC information. We cooperated fully with the independent law enforcement investigation into an unauthorized disclosure in 2012. We appreciate the diligent efforts made to bring this matter to its conclusion."
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—CNBC's Steve Liesman, Ted Kemp and Martin Steinberg contributed to this report.
Correction: This story was revised to accurately reflect Lacker's age as 61.
Watch: Lacker announces immediate resignation