Peter John Nero hails from Toco in Trinidad and Tobago. Born on 27 June 1964, he built a career officiating at both domestic and international levels. His journey began in the List A circuit in 2007, followed by his first-class debut in 2008.
Nero moved into international cricket in 2011. He officiated 22 One Day International matches between 2011 and 2014. During that same three-year window, he also stood as an umpire in 12 T20 International matches.
His involvement in the women's game was significant as well, as he officiated 16 Women's T20 International matches between 2011 and 2015. He currently maintains an active presence in domestic cricket, having overseen 28 first-class matches since 2008 and 22 List A matches since 2007.