Where a witness is called and foundation is laid for the witness to provide opinion testimony, it is not necessary that the witness be certified as an expert by the court, and failure to so certify does not mean that the witness provided an improper expert opinion, so long as a proper foundation was laid.The 4th District Appellate Court affirmed the decision of Sangamon County Circuit Judge John W. Belz.John Pingelton was charged with two counts of criminal sexual assault against two different victims, K.S. and A.H. in …