about us

Japenansi Nusantara is one of Indonesia’s leading independent claims service provider founded in 1991. Since first peration in 1993 we have expanded our operation and have a team of 30 adjusters and full access to Mestari Adjusters Sdn Bhd network with specific areas of expertise in property, engineering, construction, marine, casualties, agriculture, aviation, financial, energy.

We aim to become the most preferred claim service company, with mission to deliver trusted claim service to our valued clients throughout Indonesia. To achieve our goal:
  • We continue to strengthen our focus on the clients’ need and requirement.
  • We continue to improve our talents, resources and claim expertise.
  • We are committed to enhance our business process.
By doing so, we will meet the expectation of the clients and regulators who count us to deliver trusted and excellent services.

Our people are the strengths upon which we build our national business reputation and We attract accomplished senior professionals who average more than 20 years of claims adjusting experience. Our adjusters include chartered loss adjusters, chartered insurance practitioners, civil and structural engineers, mechanical and electrical engineers, financial adjusters who are all available nationwide to investigate and resolve claims irrespective of magnitude and complexity.
Our mission is to create a diverse and supportive working environment where people can flourish and fulfill their potential. We are also committed to develop the people’s skills, insurance knowledge and expertise beyond market and regulator’s requirement. We want the company to attract best talents available. Our people are the key to our success and a talented workforce will make us stand out in the market


  • In 2009 Japenansi Nusantara signed an affiliation agreement with Mestari Adjusters Sdn Bhd.

  • Mestari is a provider of loss adjusting and claims related services in Malaysia with head quarter ocated in Kuala Lumpur. With over 280 people and an annual turnover in excess of RM20 million, Mestari is one of the largest loss adjusting companies serving the Malaysian insurance industry. Over the years, Mestari have expanded our operations to provide our clients a wider office network, to serve them better.Mestari extensive office network, the largest in Malaysia, provides the edge, and with the people, enables them to handle in excess of 50,000 claims annually.
    Mestari team of adjusters include chartered loss adjusters, chartered insurance practitioners, civil and structural engineers, mechanical and electrical engineers, lawyers, financial adjusters, mariners who are all available nationwide and in South East region to investigate and resolve claims irrespective of magnitude and complexity.
    To serve the industry, Mestari have over the years established various specialist units, including those handling Motor Own Damage, Theft Investigation, Engineering, Construction, Liability, Recovery, Special Investigation, Takaful, Marine and Major & Complex Losses.

    Executive Team:
    Chief Executive Officer : Dato' S B Phen
    Managing Director : Joash Tan Ah Chuan ACII, AMII, FCILA, FIFAA
    Director : Chris Phen Yee S'ng AICLA, ANZIIF (Snr Associate)

  • License

      Japenansi is operating under regulation of OJK and APKAI.
    • OJK stands for Otoritas Jasa Keuangan Indonesia (Financial Services Authority of Indonesia) which is an Indonesian government agency which regulates and supervises the financial services sectors. Our Senior Management and Adjusters have all undertaken and passed the OJK fit and proper test.

    • We are a registered member of APKAI (The Association of Indonesian Insurance Adjusters) Our values are at the heart of APKAI Code of Conduct and define who we are as organization and make us distinctive.

    Core Values

    Our team of adjusters across Indonesia put great emphasis on the three core values: integrity, commitment, accountability, which guide them to better serve our clients and establish long term relationship based on trust.



    We do the right things



    We hold ourselves responsible for what we do.



    we are committed to deliver quality services in positive working environment.


    • Becoming the most preferred claim service provider in Indonesia.

    • We become the primary choice of claim service provider in insurance business.

    • Better in quality, reliability, competency, coverage, responsiveness.


    • 1. We deliver trusted claim services for insurance business throughout Indonesia.
      • Trust means reliability, truth, ability
      • Our services meet the client’s requirements (SLA).
      • We provide impartial & justified claim solution to the client
    • 2. We provide a stimulating and rewarding working environment for the staff.
    • 3. We build a great firm that attracts, develops, excites and retains outstanding people.



    our Expert

    Rio Darante

    • Rio Darante
      • Started working as loss adjuster since 1998 and has handled thousands of various sizes and types of claims, and now specializing in complex and multimillion dollar claims. Also actively provide training to Insurance clients. Promoted to Director in 2008 and CEO in 2012. Owner of japenansi with 40% shares. Obtained his business marketing bachelor degree in Virginia, USA and ICAP certification in 2014.
      • Complex industrial property losses, catastrophe, Financial, Agriculture.
      • Email: rdarante@japenansi.co.id

    • Bram Smit
      • Former claims manager of Sinar Mas Insurance and Director of McLarens Indonesia. Over 30 years claims handling experience with specialty in Marine cargo and hull. Obtained his business administration bachelor degree in Manila and was awarded ICAP certification as founding member.
      • Industrial and commercial property losses, Financial, Marine.
      • Email: bramsmit@japenansi.co.id
    Bram P Smit

    Djakaria Prawiranata

    • Djakaria Prawiranata
      • Former executive of a property developer company. Joined Japenansi in 1998 as loss adjuster and worked all the way up. Has handled thousands of various claims with specialty in construction and civil engineering. Obtained his architect master degree in Ohio, USA and loss adjuster certifications in 2015-2016.
      • Complex Industrial property losses, Construction Failure, Catastrophe.
      • Email: prawiranata@japenansi.co.id

    • Toni Tumbelaka
      • Founder and Former CEO of Lippoinsurance, and commissioner of Lippo Siloam hospitals. Joined Japenansi in 2007 and provide direct input on operation as well as technical review of all loss adjusting reports. An active ad hoc judge of the Indonesia Insurance mediation Board and appointed as independent commissioner of Asuransi Tripakarta in 2014. Was awarded an honorary insurance certification by the Insurance Council.
      • Complex Industrial property losses, Casualties, Financial, Marine.
      • Email: tonitumbelaka@japenansi.co.id
    Toni Tumbelaka

    Tekwanul Muis

    • Tekwanul Muis
      • A mechanical engineer with Master degree from Bandung Technology Institute, joined japenansi in 2000. Handle claims and supervise reports specifically machinery breakdown and heavy equipment claims. Obtained his ICAP certification in 2010.
      • Industrial plant and machineries, heavy equipment, power generation.
      • Email: mtmuis@japenansi.co.id

    • Leni Silvana
      • Joined japenansi in 2000 and undertaken various commercial and CAT claims small to large. Has experience in managing branch operations and now supervising junior adjusters. Obtained her industrial engineering bachelor degree from Trisakti Universiy in 2000 and ICAP in 2010. Current treasurer of Indonesia loss adjuster association.
      • Commercial and industrial property, fire, Casualties, Financial, Catastrophe.
      • Email: leni@japenansi.co.id
    Leni Silvana

    Andi Irwan

    • Andi Irwan
      • Joined as junior adjuster in 2000 and moved to Surabaya to open a new branch operation in 2002. After successful startup, he was reassigned to Medan to open a new branch in 2004. He returned to head office in 2008 and continued to handle various commercial claims. He maintains close business relation with brokers and agents. Obtained his business administration bachelor degree in 1999.
      • Commercial property, Fire and perils, Financial.
      • Email: andiirwan@japenansi.co.id

    • Daniel Darante
      • Joined the company in 2000 after graduating in Washington DC with bachelor degree in Finance. Handling various commercial and retail claims, and started to undertake task of review reports from Junior adjusters. Also assisting shareholders to develop new businesses. Obtained his ICAP certification in 2015.
      • Commercial property, Catastrophe, Financial, Agriculture.
      • Email: ddarante@japenansi.co.id
    Daniel Darante

    Christian Tatang

    • Christian Tatang
      • A mechanical engineer hired to work in Medan branch office. Promoted to branch manager in 2008 and has handled and supervise reports on various commercial and non commercial claims in Sumatra region. Obtained his mechanical engineering bachelor degree from North Sumatera University and ICAP certification in 2016. Able to speak Chinese Hokian language.
      • Commercial and industrial property, machineries breakdown, Agriculture.
      • Email: ctatang@japenansi.co.id

    • Oktavianto Ekadinata
      • Oktav graduated from Institut Teknologi Sepuluh Nopember Surabaya in 1997 and holds a Diploma in Civil Engineering. Joined PT. McLarens Indonesia at Surabaya branch the same year he graduated. In 2002 he qualified as Senior Associate of the Australia and New Zealand Institute of Insurance and Finance (ANZIIF) and hold a Certified Insurance Professional (CIP). He also hold an Indonesian Certified Adjusting Practitioner (ICAP).
      • Oktav has dealt with a wide range of losses including Property (fire, flood, windstorm, earthquake), Engineering (CAR / EAR, HE), Liability (CAR), Marine and Land Transit (cargo, theft, hijacking).
      • Email: oktavianto@japenansi.co.id
    Oktavianto Ekadinata

    Swadhana Lutvie

    • Swadhana Lutvie
      • Qualified adjuster with over 15 years experience in handling medium to large property and machineries claims. Joined Japenansi in 2019 as our senior adjuster in Surabaya.
      • Email:


    contact us


    • Intiland Tower floor 3A
      Jl Jend Sudirman kav. 32
      DKI Jakarta 10220, Indonesia

    • Phone: +62 (21) 5703450
    • Fax: + 62 (21) 5707968
    • Google map:intiland tower
    • General Enquiry : adjuster@japenansi.co.id
    • Contact Persons:
      Djakaria Prawiranata : +62 816 1926383
      Tekwanul Muis : +62 8156009082


    • Gedung Bumi Mandiri Tower 1, 5th Floor
      Jl Jend Basuki Rachmat no 129-137
      Surabaya 60271, Indonesia

    • Phone: +62 (31) 5453638, 5453635
    • Fax: +62 (31) 5453639, (31) 5316770 ext. 116
    • Google map:Bumi Mandiri
    • General Enquiry : sbyoff@japenansi.co.id
    • Contact Persons:
      Wuri Primandayani +62 81235751586
      Oktavianto Ekadinata +62 8123114286


    • Grand Palladium, UG floor, Room US-38
      Jl Kapten Maulana Lubis no 8
      Medan 20112, North Sumatera

    • Phone: +62 (61) 4553634
    • Fax: +62 (61) 4533400
    • Google map:grand palladium
    • General Enquiry : mdnoff@japenansi.co.id
    • Contact Persons:
      Christian Tatang +62 8126080728
      Samuel Siregar +62 81397589812