Yoseph Sitompul is a session pianist and music producer from Bogor, Indonesia. Born in Cirebon on September 12, 1980, Yoseph has had a passion for music since childhood and began learning music (electone) at the age of 6, continuing to develop his skills through service in the church. After completing his studies in Architecture at Parahyangan University (1998), due to his love for the world of music, Yoseph furthered his knowledge by studying Music at IMDI (Indonesian Institute of Music Power 2007).

He has pursued various forms of musical performance, ranging from playing music in cafes, wedding receptions, and jazz concerts, to becoming a session player for several singers in Indonesia, including Monita Tahalea, Tulus, Andien, Dian Pramana Putra, and Reza Artamevia. Yoseph is actively involved in creating and playing piano for albums by several Indonesian singers, including Andien, Monita, and Tulus. Additionally, Yoseph is actively involved in music production for singers such as Richard Chriss, Mikhaila, and Adjani.

Creating new songs, arranging, music production, and orchestration are endeavors that Yoseph continues to pursue, often being entrusted with arranging and performing music. Notable works include BCA x Tulus's "BCA berterimakasih dengan Tulus" and most recently, arranging music for Tulus Tur Manusia in 11 cities in Indonesia.

Having pursued a career in the music industry since 2009 (15 years), music has taken Yoseph to perform in various places around the world, including Malaysia, Japan, Australia, England, and the Netherlands.