Rogel Mari D. Sese is a Filipino astrophysicist who is known for being a proponent of space science in the Philippines.

According to Sese himself, he decided to pursue a career related to space science as early as when he was five years old.

[3] He pursued a doctorate degree in physics at the University of Tsukuba in Japan and took computational astrophysics as his specialization.

[3] After graduating from the University of the Philippines Diliman,[1] Sese worked at the Los Baños campus as an instructor.

He also set up his own firm, Regulus SpaceTech Inc. which is involved in space research and development, education and consultancy.