Rachel Shreffler

Director Graduate Admissions

Rachel Shreffler serves as Director of Graduate Admissions in the Graduate College. She joined the team in November 2024 and assists domestic and international graduate students, as well as faculty and staff, with the admissions process.

Rachel graduated from Oklahoma State University with a BS degree in Health Education and Promotion and an MS degree in Health and Human Performance. In addition to her role in the Graduate College, she serves as an adjunct instructor for the CEHS and as an OSU Sexual Assault Victim Advocate.

Manager of Graduate Admissions Process

Mr. Boyington joined the Graduate College in the summer of 2020. He is responsible for managing the Slate graduate admissions and customer relationship system. He also works directly with Oklahoma State University program faculty and staff on graduate admissions.

Mr. Boyington earned a BS in Radio, Television and Film and his MS in Telecommunications Management from Oklahoma State University.

Katelynn Puckett

Admission Specialist

Ms. Puckett joined the Graduate College in October 2026. She assists domestic and international graduate students, faculty, and staff with the graduate admissions process.

Ms. Puckett earned a BS in Business Administration Management with a minor in Human Services from Oklahoma State University.

Kolawole Michael Afolabi

Admission Specialist

Dr. Afolabi joined the Graduate College in September 2026. He assists domestic and international graduate students, faculty, and staff with the graduate admissions process.

Dr. Afolabi earned a BS in Accounting from Lagos State University of Science and Technology in Nigeria, an MS in Industrial Relations and Human Resource Management from Olabisi Onabanjo University in Nigeria, and an MS in Global Studies, an EdS, and a PhD in Educational Leadership from Oklahoma State University. He also serves as an adjunct instructor in the College of Education and Human Sciences (CEHS).