Explanation

Coly Seck is the correct answer as he was the President of the UNHRC for a specific term. Tijjani Muhammad-Bande is known for other roles within the UN system. María Fernanda Espinosa has served in different capacities but not as the current or most recently cited President of the UNHRC. António Guterres is the Secretary-General of the United Nations, not the President of the UNHRC.