
Worked on the hashgraph/guardian repository to deliver comprehensive greenhouse gas emissions calculation and reporting methodologies tailored for Korea. Over five months, developed and expanded a modular documentation system using Markdown and policy languages, covering direct and indirect emission sources across sectors such as electricity, fixed fuel combustion, mobile combustion, mineral industry, and waste treatment. Enhanced regulatory compliance and audit readiness by updating calculation formulas, emission factors, and user guidance, while removing obsolete files and standardizing documentation structure. Focused on technical writing, data analysis, and environmental policy management to improve reporting accuracy, usability, and traceability for environmental management stakeholders and cross-team collaboration.
December 2025: Hashgraph Guardian — Key feature delivery focused on expanding GHG reference materials for Korea. Delivered ten new methodology files to the Greenhouse Gas Emissions Methodology Library, covering direct and indirect emission sources, and attached a policy file for reference. This work enhances completeness and usability for environmental management stakeholders, enabling more reliable reporting and decision support. Minor fixes and refinements were applied as part of the same work to ensure consistency and traceability.
December 2025: Hashgraph Guardian — Key feature delivery focused on expanding GHG reference materials for Korea. Delivered ten new methodology files to the Greenhouse Gas Emissions Methodology Library, covering direct and indirect emission sources, and attached a policy file for reference. This work enhances completeness and usability for environmental management stakeholders, enabling more reliable reporting and decision support. Minor fixes and refinements were applied as part of the same work to ensure consistency and traceability.
November 2025: Delivered major GHG emissions methodology updates and expanded scope coverage in hashgraph/guardian, with enhanced imagery and documentation for clarity and regulatory compliance. Implemented Korea-specific methodologies for Scope 1 and Scope 2 to improve reporting accuracy for electricity consumption and mobile combustion. Executed targeted fixes to refine imagery and apply additional changes, ensuring alignment with current standards and proper sign-off practices. These efforts improve reporting reliability, enable better regulatory compliance, and provide customers with consistent, auditable methodologies.
November 2025: Delivered major GHG emissions methodology updates and expanded scope coverage in hashgraph/guardian, with enhanced imagery and documentation for clarity and regulatory compliance. Implemented Korea-specific methodologies for Scope 1 and Scope 2 to improve reporting accuracy for electricity consumption and mobile combustion. Executed targeted fixes to refine imagery and apply additional changes, ensuring alignment with current standards and proper sign-off practices. These efforts improve reporting reliability, enable better regulatory compliance, and provide customers with consistent, auditable methodologies.
October 2025: Comprehensive overhaul and consolidation of Korean GHG documentation in hashgraph/guardian. Scope covered fixed combustion, electricity/heat, mobile combustion, mineral industry, and waste treatment. Added new docs, updated user inputs, emission factors, calculation formulas, and use cases; removed outdated files to deliver clearer, more comprehensive guidance for Korean companies. Alignment with Wincl documentation changes improved accuracy and usability for end-users and reviewers.
October 2025: Comprehensive overhaul and consolidation of Korean GHG documentation in hashgraph/guardian. Scope covered fixed combustion, electricity/heat, mobile combustion, mineral industry, and waste treatment. Added new docs, updated user inputs, emission factors, calculation formulas, and use cases; removed outdated files to deliver clearer, more comprehensive guidance for Korean companies. Alignment with Wincl documentation changes improved accuracy and usability for end-users and reviewers.
Month: 2025-09. In hashgraph/guardian, delivered a comprehensive documentation upgrade for Korean GHG emission calculation methodologies. Removed obsolete policy files/images; added new Markdown documents detailing methodologies across fixed combustion (gaseous, liquid, solid), indirect emissions (electricity, heat & steam), mineral industry (cement), mobile combustion (road), and waste treatment (biological processes, incineration, landfilling). Commit aaad3011c1c19260633dc831adc9decb2985a69e: feat: wincl methodologies (#5310). Impact: improved regulatory alignment, onboarding, and cross-team consistency.
Month: 2025-09. In hashgraph/guardian, delivered a comprehensive documentation upgrade for Korean GHG emission calculation methodologies. Removed obsolete policy files/images; added new Markdown documents detailing methodologies across fixed combustion (gaseous, liquid, solid), indirect emissions (electricity, heat & steam), mineral industry (cement), mobile combustion (road), and waste treatment (biological processes, incineration, landfilling). Commit aaad3011c1c19260633dc831adc9decb2985a69e: feat: wincl methodologies (#5310). Impact: improved regulatory alignment, onboarding, and cross-team consistency.
June 2025 - hashgraph/guardian: Delivered Korea GHG Emissions Calculation Methodologies feature across sectors (electricity indirect emissions, fixed fuel combustion, mineral industry, mobile combustion, waste disposal, steam heating), reorganized methodologies into a modular folder structure, and updated documentation to support quantification, reporting, and verification against national standards. The work culminated in PR #5024 merged, anchored by commit a601756a04a90cc2eec7ad4e8c4afe44ebdf241b. This strengthens compliance, data integrity, and transparency for emissions accounting.
June 2025 - hashgraph/guardian: Delivered Korea GHG Emissions Calculation Methodologies feature across sectors (electricity indirect emissions, fixed fuel combustion, mineral industry, mobile combustion, waste disposal, steam heating), reorganized methodologies into a modular folder structure, and updated documentation to support quantification, reporting, and verification against national standards. The work culminated in PR #5024 merged, anchored by commit a601756a04a90cc2eec7ad4e8c4afe44ebdf241b. This strengthens compliance, data integrity, and transparency for emissions accounting.

Overview of all repositories you've contributed to across your timeline