N.J. Stat. Ann. § 30:4C-78

5. A family preservation services direct services worker shall possess a master's degree in the social sciences or shall have graduated from a fully accredited college or university and have at least one and half years' experience in providing services to families in crisis. The supervisor of a family preservation direct services worker shall possess a master's or doctorate degree in social work, psychology, education or counseling and five years' experience of providing treatment services to families and two years' supervisory experience.