Microsoft co-founder to appear in closed-door session as part of lawmakers’ investigation into convicted sex offender Bill Gates is set to testify in front of the House committee on oversight and reform on Wednesday as part of the panel’s investigation into the convicted sex offender Jeffrey Epstein. The Microsoft co-founder will appear in a closed-door session, where lawmakers are expected to question him about his past relationship with Epstein. A transcript of the interview is expected to be released at a later date.