Dr. Rennie, a native of Grenada, graduated from the Higher Institute of Agriculture, University of Havana Cuba. On completion of his Veterinary degree, he has been employed with the Ministry of Agriculture, ran a small animal clinic at the GSPCA, and also operated a Mobile Veterinary Clinic.

Dr. Rennie, an Associate Professor, has been with the Veterinary School since its inception. In 2012 he attained his Masters of Science degree (MSc) and is currently involved in the teaching of Neuroanatomy and Anatomy to both Prevet and Veterinary students.

He is president of the Grenada Veterinary Medical Association. A community-oriented person; he is a co-founder of the St. Andrews Youth Debating committee, and is a member of a community football team.