Press Sauté; melt butter in Instant Pot®. Add rice; cook 5 to 6 minutes or until golden brown, stirring occasionally. Add broth, Greek seasoning, oregano and salt; mix well.
Secure lid and move pressure release valve to Sealing position. Press Manual or Pressure Cook; cook at high pressure 4 minutes.
When cooking is complete, use natural release for 10 minutes, then release remaining pressure.
Stir in olives and roasted red peppers; garnish with cheese and parsley.