2011-12: Competed in four regattas as a skipper and registered two solo performances...skipper of C Division boat that captured sixth place at the Hatch Brown Trophy (9/18) and the Navy Fall Intersectional (10/16)...skipper of seventh-place B Division boat at the Hood Trophy (9/25)...was sixth of 22 entries at the Men's New England Singlehanded Championship (10/9)...skipper of B Division boat that ranked fourth at the Oberg Trophy (10/23)...captured 12th place in the A Division as a skipper at the Atlantic Coast Championship (11/13).

2010-11: Competed in seven regattas as a skipper and recorded four solo performances...skipper of A Division boat that finished second at the Commonwealth Series (9/26)...placed fifth at the Singlehanded New England Qualifier (10/9)...finished eighth competing as an individual in the C Division of the Navy Fall Intersectional (10/17)...skipper of B Division boat that finished fourth at the Oberg Trophy (10/24)...skipper of boat that placed fifth at the Hap Moore Team Race (11/7)...skipper of B Division boat that ranked 14th at the Atlantic Coast Dinghy Championship (11/13)...skipper of boat that finished first at the Mendelblatt Team Race (3/19)...skipper of C Division boat that finished ninth in the Boston Dinghy Cup (3/26).

On Dry Land at MIT: Majoring in mechanical engineering with a concentration in economics...teaching assistant for the physics department...active participant in intramural sports program.

High School: A 2009 graduate of St. John's School...two-time Puerto Rican champion in Laser Radial...2008 Atlantic Coast Champion...placed 13th at the North American championship in 2009...Antonio Ortiz Medal...regional Science Bowl winner...honorable mention for the Ihero-American Physics Olympiad.

Personal: Son of Roberto Alfonso and Emma Rivera…family member played tennis at NYU.