Mr. Nathan is the External Medicine Dossier Assessor at Ethiopian Food and Drug Authority (EFDA) and also the Co-founder & Vice President of East Africa Regulatory Affairs Professionals Association (EARAPA). Mr. Nathan is also an assistant lecturer at the Addis Ababa University, School of Pharmacy, Department of Social Pharmacy and Pharmaceutics, Medicine Regulatory Affairs program.

He is an academician at the School of Pharmacy, in the Department of Pharmaceutics and Social Pharmacy.