Kocherlakota is the uber dove, but a non-voting member of the FOMC in 2013:
At three Minneapolis-area venues over two days, he has argued that using a 5.5 percent threshold for any possible interest-rate increase would put the economy back on track more quickly than the Fed’s 6.5-percent threshold, with little risk of sparking unwanted inflation.
Fed’s Kocherlakota: lowering interest rates is not a panacea