In the summer of 2016 he trained before the NBA draft with the
Los Angeles Lakers and
Philadelphia 76ers. He played in the 76ers summer league. In August 2016, he signed a contract with the Spanish club
Divina Seguros Joventut. In July 2018, he parted ways with
Divina Seguros Joventut. On 15 July 2018, he signed a two-year deal with
Iberostar Tenerife of the
Liga ACB. On 11 October 2020, he signed a one-month deal with
MoraBanc Andorra of the
Liga ACB. In 2021, Gielo signed with
s.Oliver Würzburg and he averaged 9.5 points and 3.1 rebounds per game. On January 13, 2022, Gielo signed with
Peristeri of the
Greek Basket League. In 16 league games, he averaged 11.7 points, 3.3 rebounds, 1.1 assists and 0.8 steals, playing around 28 minutes per contest. On August 15, 2022, he has signed with
Merkezefendi Bld. Denizli Basket of the
Turkish Basketball Super League (BSL). On March 1, 2024, he signed with
Stal Ostrów Wielkopolski of the
Polish Basketball League (PLK). On July 20, 2025, he signed with
Wilki Morskie Szczecin of the
Polish Basketball League (PLK). ==References==