A compound of Formula I wherein L is a bidentate ligand coordinated to a metal M; each ring K is the same, and represents a 5-membered or 6-membered heteroaryl ring and with ring J forms a 5-member cyclometallated ring; A1 and A1′ are the same and selected from CR1 or N; A2 and A2′ are the same and selected from CR2 or N; A3 and A3′ are the same and selected from CR3 or N; each R4 with its corresponding ring position R4′ are the same, and R1 to R5 are as defined in the specification. An OLED with an organic layer that includes a compound of Formula I and a consumer product that includes the OLED. A method of making a compound of Formula I is also described.