Thomas Leonard, a former executive at Endeavor Pharmaceuticals and aaiPharma, is the newest member of Merrion Pharmaceuticals’ operations in Wilmington.

Leonard will serve as vice president and chief scientific officer for Merrion, which has its main headquarters in Dublin, Ireland.

Leonard worked previously as vice president and CSO at Endeavor. He served earlier as senior director of product development at aaiPharma.

The company also named John Lynch as managing director and Joey Moodley as director of operations. Both will be based in Ireland. Lynch worked for 15 years at Abbott Laboratories. Moodley worked at Elan Corporation for 25 years.