Dr. Ir. Irman Firmansyah, S.Hut, M.Si

Expertise in system dynamics and spatial dynamics. Currently he is Executive Director at System Dynamics Center – International (SDC), as a research and development institution.
Since 2013, he has been proposed by the Postgraduate PSL-IPB as a resource person for Technical Advisor Research and Consultation in System Dynamics. In 2015 he has entrusted to be the Director of Powersim for representative in Indonesia (Powersim Software), from Powersim Software AS, Norway. In 2017 he also teaches and supervises actively Doctor (S3) dan Magister (S2) degree class at the postgraduate program, PSL-IPB University teaches the subject of System Dynamics. In addition, he is also actively involved as a active as chairman of the Indonesian System Dynamics Expert Association (ASDI) in the period 2020 – 2025.

In the other side, for Business field, in 2012 established a business namely Triwala Group Company for Environmental Consulting and training. Not only the environmental consulting and training, in 2017, he is the CEO-Founder for Exsimpro Software International (Information Technology Company). Currently in the international market in collaboration with several institutions in 7 countries, both Asia, Europe, and Australia.
He has been completed the Doctoral Degree (S3) in 2016, majoring in Environment Management Study Programme (PSL-IPB) with System Dynamics and Spatial Dynamics Land Use research. Graduated Master of Science in 2007 in the same Study Programme with System Dynamics research for Environment, while graduating with a Bachelor of Forestry (social economy) in 2004 at the Faculty of Forestry IPB. Since 2007, active as a lecturer in several public and private universities, expertise in System Dynamics and Environmental Science. He is often asked to be a speaker, advisor or expert at several Ministries Institutions such as the State Intelligence Agency (BIN), the Financial Audit Agency (BPK), Bappenas and several other Ministries.


  • Present2014


    System Dynamics Center

  • Present2017

    Lecturer for Doctoral Program

    Environmental Management. PSL - IPB University

  • Present2015


    Powersim Indonesia

  • Present2017


    Exsimpro Software

  • Present2012

    Managing Director

    Triwala Group

  • Present2023

    Lecturer for Postgraduate



  • Present2017

    Certification Assesor EIA (Environmental Impact Assessment)

    LSP-LH (Compentency Certification Organization). No. Certificate. 93000 2419 0053105 2017

  • Present2012

    Certificate Assessor EIA (Environmental Impact Assessment)

    PPLH-IPB. November 2012. (PPnA. Ps. 35.2012)

  • Present2017

    Certification Team Leader for EIA

    LSK-LH (Compentency Certification Organization) No. Certificate. 74909 2133 7 0000197 2017

  • Present2007

    EIA Certificate

    Bogor Agricultural University

  • Present2011

    Certificate ISO 14001:2004 & Environmental Auditor

  • Present2011

    Certificate QMS ISO 9001:2008 & Quality Plan

  • Present2019

    Certificate Diving by SSI International

    SSI Certificate (741116R5636294182387-ID) by Department Of Marine Science & Technology IPB University