Former Lettuce Entertain You executive becomes CEO.

Fast-casual concept ROTI Mediterranean Grill named Carl Segal chief executive officer, effective Feb. 18, 2014. Ed Berg, who came out of retirement 14 months ago to serve as ROTI's CEO, is resigning his post.

Segal comes to ROTI from Potbelly Sandwich Works, where he spent 13 years and most recently served as senior vice president of operations. Before joining Potbelly, Segal was a founding partner of Bistro Zinc restaurants in Chicago, and served as a principal in the consulting firm of Segal Eslick Associates. Segal began his restaurant career with Lettuce Entertain You Enterprises, where he spent ten years managing restaurants and developing restaurant concepts.