The committee chairman, Rep. Mike Etabo (APC-Cross River), said the minister should appear in person to answer the petition.
According to him, such a move will drive national productivity and combat poverty.
The minister has set up a committee to probe alleged complaints by staff against the Nigerian Social Insurance Trust Fund management.
Ms Olejeme is standing trial over alleged case of criminal conspiracy, abuse of office, diversion of public funds and money laundering.
Senate is not investigating the Nigerian Social Insurance Trust Fund (NSITF)’s new management over the N62 billion fraud scandal that rocked the organisation.
