Jonathan Ho Chin Kiat is a Singaporean double bassist, composer, electronic artist, producer, audio mixing engineer, and educator based in Rotterdam. Having studied with Stefan Lievestro and Kaja Draksler, he improvises with a strong structural approach.

Before moving to Europe to complete his studies in Rotterdam, Jonathan was active as a sideman in the Singaporean Scene. Between 2014 and 2018, he toured Malaysia (Sarawak with Tony Lakatos at Borneo Jazz), Japan, Thailand, and Mexico with local and international artists.

As i n n e r f r o , he leads P I N and k i n e s t a t i c .

P I N 's debut album "who cares if i mind" is featured on WFMU Radio in New Jersey/New York, released by Minimal Damage Recordings.

i n n e r f r o also delves into electronic manipulation of acoustic sounds with alternative arrangements and preparations on double bass and various mediums, in the direction of multi-disciplinary collaborations.

He won the Keep An Eye Competition 2024 with Anaphora, the Erasmus Jazz Prijs 2024 with Andrew Moreno Group [Axiom], and is runner-up at the Grachten Jazz Competition 2024 with Ātma. He is also part of Nuova Generazione Jazz 2025 with The Giraffes.