Sergio Calhoun

Sergio Calhoun is not a widely recognized figure in general knowledge, and there may be confusion surrounding his identity or relevance. If you are referring to a specific person in a particular field such as academia, arts, or business, please provide more context. However, as of my last knowledge update in October 2023, there is no prominent public figure by that name known in popular culture or major historical events. If you have a specific context or work related to him, please share for a more accurate description.