McCann Realtors has added two agents, Herb Birch and Mary Ellen Grill, to its Ocean City office.

Ocean City resident Birch has joined his sons, Mac and Jake, at the firm.

Birch was the founder of Birch & Davis Associates, a health management firm with more than 800 employees. With his son Mac, he founded the Bubba Mac Shack in Somers Point and on the Ocean City Boardwalk.

Grill, the agency’s office administrator, has become a licensed real estate agent with the firm. She will be the new rental manager for the office.

She also has a local business, My Sister’s Studio in Stainton’s Gallery of Shops on Asbury Avenue.

Previously, she worked in graphic design and marketing with Cape Regional Medical Center and with a casino software company.