Costa Rican model and reality television personality who appeared on the competition series Reto 4 elementos: naturaleza extrema in 2018. Professionally, he earned representation with Paragon Model Management.
He moved to Mexico when he was about 20 years old.
On the side, he worked as a cycling instructor. His jeffkellerman Instagram account has earned 170,000 followers.
He has sisters named Katherine and Brenda Kellerman.
He competed against Ferdinando Valencia on Reto 4 elementos: naturaleza extrema.