Rivero played for the De La Salle Green Archers in his first two years in collegiate basketball.

[1][2] His breakout performance in the UAAP Season 80 men's basketball tournament earned him a spot in the Mythical Five and the Most Improved Player award.

[3][4] In April 2018, Rivero announced that he had left the De La Salle Green Archers to focus on Gilas Pilipinas.

[11] He moved to Manila to complete his secondary education at La Salle Green Hills in Mandaluyong.

[22][23] On February 15, 2023, Rivero signed a short-term deal with the Blackwater Bossing Red President of the PBA 3x3.

[24] In September 2023, Rivero made a bid to enter the Philippine Basketball Association by applying for the PBA season 48 draft,[23] where he was selected with the 17th overall pick by the Phoenix Super LPG Fuel Masters.

[31] In 2016, he participated in the finale of Nike Rise Philippines, a reality documentary basketball development program aired on TV5.

[8][9] In 2020, Rivero became a permanent host of Brightlight Productions' Sunday Noontime Live!, which was aired on TV5 via a blocktime agreement.

[49] On October 22, 2023, Rivero confirmed that he is in a relationship with beauty queen and politician Leren Bautista.

[50] Before the start of UAAP Season 84, he pledged ₱250 to the UP Ikot Drivers Association who had been hit hard by the pandemic, for every point he scored.