El leads Rousselot's collagen innovations in North America, focusing on developing strategic collaborations with clinical research organizations and academic health experts. He plays a crucial role in substantiating claims for emerging benefit areas by utilizing Rousselot's proprietary bioactive collagen peptide compositions. El Hadji has over 15 years of experience in biomedical sciences and nutritional research—previously at PepsiCo and the Nestlé Institute of Health Sciences— and completed a postdoctoral fellowship at UT Southwestern Medical Center in Dallas.