Grillo also trains for Velas y Vientos in Cali under his Argentina-based personal coach Manuel Fumagallo.

[1] Grillo made his debut at the 2008 Summer Olympics in Beijing, where he finished last out of thirty-five sailors in the men's RS:X class with a net score of 293.

[3] At the 2012 Summer Olympics in London, as a 25 year old, Grillo qualified for his second Colombian team in the RS:X class by attaining a 53rd-place effort and an automatic berth at the World Championships in Cádiz, Spain.

[4] Struggling to attain a top position in the opening series, Grillo accumulated a net score of 302 points for a 37th-place finish in a fleet of 38 windsurfers.

[5][6] This biographical article related to sailing in Colombia is a stub.