Benny F. Sumarta is another senior coach in D'Jazz as he coaches a lot of students since D'Jazz first started. He is very experienced in teaching all ages.

Dhani is currently one of our best coaches. Having produced his own album, you can listen to his works on various digital platforms. He is skilled in guiding  those who wish to develop their talents in jazz piano. He teaches our monthly Regular and Hobby Courses.

Julian Abraham Marantika is a jazz piano instructor with teaching experience more than 15 years. His areas of interest are in jazz performance, music theory, electroacoustic music, and synthesizer. He earned his Bachlelor’s Degree in Performance from Institut Musik Daya, and Master’s Degree in Penciptaan Seni from Institut Kesenian Jakarta. He is a former recipient of 4th JGTC Rising Stars Award 2010 also as a participant at 2018 Pekan Komponis Indonesia held by Dewan Kesenian Jakarta with electroacoustic composition ‘Terjaga’

Juan Alexander Mandagie is a professional jazz pianist, music educator, as well as a producer, arranger, and music director from Indonesia. He is also an active music lecturer at Pelita Harapan University and offers private lessons.

As a music producer, Juan Mandagie has worked with artists such as Vina Panduwinata, Hedi Yunus, Moneva, and Canti Tachril. He has also been involved in the creation of music for the feature film Akhirat.

Lana Tiffanie is an Indonesian pianist, composer, and songwriter whose works have gained

significant recognition. While studying Jazz and Pop performance at Pelita Harapan University,

her composition "Abditory" won first place in a national jazz competition held by the university

and was later performed at the Ubud Village Jazz Festival 2022. She also received the "Best

Music Composer" award at Festival Teater Jakarta Barat for more than twenty of her original

compositions.

Integrating jazz, traditional, and electronic elements, Lana creates a sound that is both unique and personal. Her compositions typically feature recurring motifs inspired by traditional

instruments, reimagined through electronic textures.

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In 2025, she released EITHER/OR, her debut EP. The project explores her personal struggles

with adulthood, particularly as a woman, and serves as a space for sonic experimentation

through jazz and electronic sounds.

Alice Grace is a pianist, composer, and songwriter from Indonesia. After completing her undergraduate studies majoring in Jazz and Pop Piano Performance in 2017, she pursued further education in music at Berklee Online. In 2021, she obtained professional certification in Composition and Orchestration for Film and TV. She has released an instrumental album and singles under her name and in collaboration with other artists. Now she works as an independent music artist, and content creator, as well as a session player and keyboardist for Franky Kuncoro and The Repeats. Since 2024, she is also endorsed by KORG.

Pianist, composer, educator from Jakarta, Indonesia. Completed the Master's program at the Daya Indonesia Music Institute in 2009. Since 2010, Mery has been active in creating composition projects which are performed in various formats, such as chamber, piano quartet, orchestra, and big band which are performed at, among others, Salihara Theater, Java Jazz, Serambi Jazz, ITB Jazz, Pekan Komponis, Alur Bunyi, and others. Works for orchestra have been performed by the Jakarta City Philharmonic and the Bandung Philharmonic. From 2015 to 2025, Mery was the Academic Director at Sjuman School for Music Education. She started teaching piano from 2005 from Classical, Pop, Jazz, also arranging and orchestration. Currently, in addition to being a session player, arranger, and orchestrator, and producer Mery is developing her own piano studio program designed for masterclasses and workshops on different topic combining the Classical and Jazz point of view to develop the individual sounds of the piano playing. Her interest on both fields Classical and Jazz makes some varied approach of learning.

Almira is a singer-songwriter, vocal and piano coach. She was living in Los Angeles, California when she started her music journey. She graduated from Universitas Pelita Harapan Conservatory of Music and took the piano as her main instrument. Music has always been a part of her life, and she dare to share this magic with her student. She teaches our Monthly Regular Course and Hobby Course.

Tessa Prianka studied at Elfa's Music School and Universitas Pelita Harapan Conservatory of Music. She and her ensemble reached the top five in the MLD Jazz Project. Since 2017, Tessa has contributed to Laring Kolektif and performed in events like Pekan Komponis Indonesia. She was an assistant composer and performer in the short opera film "BANE." Recently, Tessa performed at the Southeast Asian Golden Age Symphony in Singapore and directed vocals for Netflix and Disney productions.

Diana Sutradewi started her passion in singing at the age of 12 as a vocalist on a band, choir and orchestra.
She then pursue her singing journey by taking Vocal Contemporary on Pelita Harapan University, and graduated on 2013 under the vocal guidance of Ivonne Atmojo, Delima Simamora, Indra Aziz, Andrea Miranda & Cassia Agata makes her vocal technique versatile on singing Jazz, Classical Opera, Musical Theatre and Pop.

Yasinta Haris graduated from Jazz and Pop Vocal Performance in the Conservatory of Music Pelita Harapan University. She had studied under with Sarita Wurangian, Cassia Agata, and Josephine Polim.
 
In 2015 she joined a female acapella group Voxcom. In 2017 they won 2 gold medals and were qualified for grand prix in Acapella category in Bali International Choir Festival 2017 & 2018. The group also won the International Category of The A Cappella Championships Singapore 2019. They had released cover singles and a Christmas EP on digital streaming platforms. As a singer songwriter, Yasinta Haris released her single “Rasa” in 2022. She is currently teaching at UPH Conservatory of Music vocal department while pursuing her Master Degree in Educational Technology.

Amel is a music teacher, a part-time music teacher in music schools. She has over the years experience as a Music and Vocal Teacher. Have a solid background in Bachelor 1 in Music Art, and Post Graduate in Educational Science at Pelita Harapan University. She teaches our monthly Regular and Hobby Course.

From August 2021 to the present, Nadia Delarosa has been serving as a volunteer in the Worship & Production team at The Collective Church in Jakarta. She leads worship, mentors young vocalists, and has worked under the Head of Production to direct service flow for regional events. Her involvement reflects a deep commitment to community and spiritual growth through church music ministry. From May 2018 to May 2024, Nadia worked as a Vocal Director and Music Composer at Bumble Bee Studios, Jakarta, where she directed vocal sessions for commercial jingles and music projects, collaborating with renowned Indonesian artists such as Afgan, Rizky Febian, Lyodra, Tiara Andini, and Raisa. She managed all aspects of vocal preparation, from warm-ups to final recordings, and produced music for major clients including Unilever, Google, Mitsubishi Motors, and Hyundai. Additionally, from January 2022 to February 2023, Nadia served as an Artist Development & Production Coordinator at Inspire Official and Invasion, Jakarta. In this role, she provided comprehensive vocal coaching, safeguarded vocal health, directed both live and recorded performances, and coordinated artist development and album releases while acting as a key liaison between artists and production teams.