The director of the anti-violence program CeaseFire was released from jail Saturday night after posting bond on a domestic battery charge
Police arrested Tio Hardiman, 50, on Friday after his wife filed a formal complaint.
His wife claimed Hardiman punched and kicked her, leaving her with a swollen lip, bruises and a cut on her neck.
She plans to seek an order of protection.
A bond court judge set bail at $20,000.
CeaseFire organization officials placed Hardiman on administrative leave, pending the outcome of his case.
Cook County records show Hardiman has a 1999 conviction for misdemeanor domestic battery.
Hardiman is expected for a court appearance in Maywood on Tuesday.