Tomás has participated in diverse local and international academic activities. Among them, he represented the School of Law of Universidad Católica (Uruguay) in the Inter- University Constitutional Law and Human Rights Seminar, in 2015 in Porto Alegre (Brazil) and in 2016 in Santiago (Chile).
He also participated as an information collected and field researcher in the Rule of Law Program for Latin America of the Konrad Adenauer-Stiftung Foundation.
Since 2019 he has been an Instructor in Tax Law at the Law School of Universidad Católica (Uruguay).