[1] Calvo chose Senator Ray Tenorio as his running mate for lieutenant governor of Guam.

[3] His maternal grandparents were Antonio Camacho Baza, a former United States Marshal, and Delores Cruz Herrero, who resided in Sinajana, Guam.

Calvo received a bachelor's degree in business administration from Notre Dame de Namur University in Belmont, California.

[2] In 2002, Calvo ran for Lieutenant Governor of Guam as the running mate of Republican gubernatorial candidate, Tony Unpingco, the former Speaker of the Legislature.

[3] In the same speech, Calvo simultaneously told supporters at Chamorro Village that he intended to seek the Republican nomination for Governor of Guam in 2010.

[6] As governor, Calvo set a policy of hiring only government employees with at least a high school diploma.

[6] According to Josh Barro of The New York Times, Calvo stopped "some of Guam's worst fiscal practices", such as financing itself by delaying tax refunds, and ran consecutive budget surpluses.