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 known for blending jazz, traditional, and electronic elements into a distinctive sound. While studying Jazz and Pop Performance at Pelita Harapan University, her composition “Abditory” won first place in a national jazz competition 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 over twenty original works.

In 2025, Lana released her debut EP EITHER/OR, exploring womanhood and adulthood through experimental jazz and electronic soundscapes.

Sheryl is an Indonesian pianist, composer and educator. Through her experience in playing jazz trio in her regular 6 months performance in Legato Jazz Club and played as Legato Jazz Camp in Jazz Gunung Bromo and Jazz Summit Festival, she has played jazz with different skillful and well-known players across Indonesia. She has also played for different artists such as Rara Sudirman, Naomi Olivia, Seby and became the pianist for 2024 Pelantikan Anggota DPR talkshow event. 

During her study in Universitas Pelita Harapan under the guidance of Sri Hanuraga, she became a finalist in the Papandayan International Jazz Festival 2024 presenting her original composition “ Amanti “ and other jazz arrangements.  Her experience fuels her passion for teaching jazz, classical, and church piano to learners across all age groups and skill levels.

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.

Mery is a pianist, composer, and educator from Jakarta, Indonesia. A graduate of the Master’s program at Daya Indonesia Music Institute (2009), she has been active since 2010 in creating works for chamber ensembles, orchestras, and big bands, performed at venues such as Salihara Theater, Java Jazz, and Serambi Jazz. Her orchestral works have been featured by the Jakarta City Philharmonic and Bandung Philharmonic. From 2015 to 2025, she served as Academic Director at Sjuman School for Music Education. Currently, Mery works as a session player, arranger, and producer, while developing her own piano studio program that integrates Classical and Jazz approaches to cultivate individual sound and expression.

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.

Since August 2021, Nadia Delarosa has volunteered with the Worship & Production team at The Collective Church, Jakarta, leading worship, mentoring vocalists, and directing service flow for regional events. Previously, she worked as Vocal Director and Music Composer at Bumble Bee Studios (2018–2024), directing sessions for commercial projects and collaborating with leading Indonesian artists including Afgan, Rizky Febian, Lyodra, Tiara Andini, and Raisa, with clients such as Unilever, Google, Mitsubishi Motors, and Hyundai. From 2022 to 2023, she also served as Artist Development & Production Coordinator at Inspire Official and Invasion, providing vocal coaching, directing performances, and managing artist development and releases.

Shaney Aurelia is a dedicated vocal instructor and performer, trained at LASALLE College of the Arts in Singapore. Specializing in musical theatre, she brings a strong foundation in storytelling, vocal technique, and expressive performance to every lesson.
She also teaches pop, R&B, and jazz, helping students explore a wide range of styles while developing healthy vocal habits, versatility, and confidence. With her supportive and dynamic teaching approach, Shaney empowers each singer to unlock their strongest, most authentic voice.