NEW YORK--(BUSINESS WIRE)--The ONE Group Hospitality, Inc. (“The ONE Group”) (OTCQB:STKS) today announced that it will host a conference call to discuss first quarter 2015 financial results on Thursday, May 14 at 5:00 PM Eastern Time. Hosting the call will be Jonathan Segal, Chief Executive Officer, and Sam Goldfinger, Chief Financial Officer. A press release containing the first quarter 2015 financial results will be issued after market close Thursday, May 14, 2015. The conference call can be