Forsyth played as a goalkeeper for Alianza Lima, Borussia Dortmund II, Atlético Universidad, Sport Boys and Atalanta, and he also earned 7 caps for the Peru national team.

[1] His mother, María Verónica Sommer Mayer, is a former Miss Chile beauty pageant winner and her family is of German descent.

[3] Forsyth lived a privileged childhood and was not exposed to the lifestyles of common Peruvians until he began his football career according to Americas Quarterly.

In that year, he was part of the squad that obtained the national title in the institution's centenary added to the classification for the 2002 Copa Libertadores.

After a season plagued of injuries, adding the harsh elimination against Universidad de Chile, Forsyth hoped to fully recover in 2011 in order to return as a starter.

[11] On 31 July 2011, with the departure of Gustavo Costas to Saudi Arabia and the arrival of Miguel Ángel Arrué as Alianza Lima's new coach, Forsyth was called up as starter for a match against Unión Comercio, that ended 0–0.

[7] George Forsyth's political career began in 2010 when he ran for District Councilman of La Victoria, as part of the Alberto Sánchez-Aizcorbe's National Unity list, which won with 34% of the valid votes.

[22] In September 2020, Forsyth became a full-member of the National Restoration party after months of speculation of a potential presidential run at the 2021 general election.

[23] Following the removal of Martín Vizcarra and the beginning of the 2020 Peruvian protests, Forsyth said that he disagreed with demonstrations, stating "This is not the time to take to the streets, we are going to have our revenge next year in the elections".

[26][27] Anonymous would later allege that Forsyth created the fake video himself as promotion for his presidential campaign, threatening him with possible hacking activity.

[30] During his campaign, he was accused of having offered a position to one of his friends in La Victoria District with an excessive remunerations; the Public Ministry opened an investigation of the situation.

[31] A report from the investigative journalism website OjoPúblico – which was released between the 31 January and 3 February 2021, a week before presidential candidates were finalized – alleged that three vehicles owned by Forsyth were gifted to him from companies he was involved with and that various companies he held shares in were not included in his electoral application for the National Jury of Elections (JNE).

[32] Included in the report were statements by Special Electoral Juries (JEE) auditor Ivan Salazar Salazar, who said "the candidate did not declare income that he would receive in the private sector" and "we would be facing a possible omission of information", with OjoPúblico concluding that "the JEE of Lima Centro 1 will have to make a decision on the request for exclusion of the candidate".

[1][37] Political scientist Dr. Paula Muñoz of the Universidad del Pacífico described Forsyth as "a pro-business guy", while Americas Quarterly wrote "his views on big economic issues are less clear".

[38] Weeks after taking office in January 2019, Forsyth announced that Terkes was leaving to Mexico due to alleged death threats against the couple, leading rumors of a separation.