Rubio's veteran Miska joins the Atlanta-based casual dining chain.

Sheri Miksa is the new chief executive officer and president for Boneheads Grilled Fish & Piri Piri Chicken, a six-unit Atlanta-based fast-casual restaurant chain.

A 25-year veteran of the hospitality industry, Miksa's prior chief executive roles include leading Rubio's Fresh Mexican Grills and Robeks Juice brand. Her restaurant industry experience also includes holding executive roles with Seattle Coffee Company, Taco Bell Corporation and LSG Sky Chefs.