Section 24-7-5-7 - Staff Development OfficerA. The Staff Development Officer (SDO) is a professional employee of a program as described in Chapter 3, Section 1, C., p. 7 who is responsible for maintaining staff development records and verifying ongoing inservice/training for both upgrade and renewal applicants.B. More information on the role of the Staff Development Officer is located in Chapter 4, Section 1, H., pp. 22-23. Carefully review this information before submitting a renewal application packet.24 Miss. Code. R. § 7-5-7