Matthew Justin Lesmana

Graduate Student in Energy | Research Analyst | Thermochemistry • CCUS • Low-Carbon Energy Systems • Energy Economics & Policy | EU Scholarship Awardee

Nancy, Grand Est, France

About

Graduate student and research analyst specializing in thermochemistry, CCUS, energy system analysis, and energy policy, with experience in technical reporting and data-driven research in collaboration with industry and international energy institutions. Seeking opportunities to bridge engineering, economics, and policy for industrial decarbonization efforts.

Experience

  • Project Team Member in Steel Carbon Accounting at ArcelorMittal
    Feb 2026 - Present · 6 mos

    • Designed a steel energy and CO₂ accounting framework integrating primary energy and upstream emissions across production pathways. • Built an Excel-based analysis tool and reviewed international carbon accounting standards to support emissions reporting comparison. • Collaborated with the Energy and Process Division of ArcelorMittal Global R&D as part of a challenge-based project during master's studies.

  • Research Assistant on Fossil, Hydrocarbon, and Mineral at ASEAN Centre for Energy
    Mar 2025 - Dec 2025 · 10 mos

    • Authored policy briefs and technical reports on CCUS development pathways and coal transition strategies across ASEAN member states. • Delivered technoeconomic and policy analysis for a national-level petrochemical sector study on Brunei Darussalam’s downstream expansion. • Supported research workflows through data collection, processing, and visualization across multiple projects.

  • Research Analyst at KPMG
    Apr 2025 - Sep 2025 · 6 mos

    • Collaborated on the Australia-Indonesia Partnership for Economic Development project on analyzing various low-carbon technology pathways, supply chains, and policy readiness in Indonesia. • Conducted assessment studies and authored a technical report on green and blue hydrogen and ammonia supply chains with breakdown analysis and projections for infrastructure development.

  • Research Analyst at Energy and Thermochemistry Laboratory Research Team ITB
    Aug 2024 - Aug 2025 · 1 yr 1 mo

    • Carried out experiments on absorption reaction kinetics for CO₂ capture and storage using fly ash from coal power plants. • Conducted material characterization using XRD, XRF, TGA, and SEM-EDS instrumentation. • Developed teaching materials and pedagogy for Internal Combustion Engine and Hydrogen Material courses. • Designed chopping, solar-drying, and grinding machines for sustainable mangrove seed coffee processing for local farmers’ microbusinesses in Nusantara, Indonesia.

  • Mechanical Design and Piping Engineer at Institut Teknologi Bandung
    Mar 2024 - Aug 2025 · 1 yr 6 mos

    • Contributed to an interdisciplinary engineering team in the “Propelan Merah Putih” research project for propellant manufacturing. • Designed pilot-scale reactors and supporting mechanical equipment and developed P&IDs for the integrated plant layout, including utility distribution and process safety systems. • Performed computational fluid dynamics (CFD) simulations to analyze fluid mixing behavior, optimize impeller configurations, and improve process efficiency.