Gemmo joined Disini & Disini in January 2017 and has been involved in its data privacy work ever since. He passed the Philippine Bar Examinations in May 2017. While in law school, Gemmo participated in several moot court competitions which involved data privacy and freedom of expression issues.
His paper on internet hate speech won the Froilan M. Bacungan prize for Best Paper in Freedom of Expression. His article on intermediary liability has been published in the Philippine Law Journal. As part of the Disini Data Privacy Core Team, he is involved in data privacy-oriented research and in conducting data privacy compliance for various organizations.