Mario Marcolongo

Investigations & Source Quality Analyst

Public-source research · risk and evidence assessment · sensitive research · analytical reporting · data quality

Italy · EU/EEA work-authorised · Open to sponsored international relocation and B2B engagementsmariomarcolongo.com[email protected]LinkedInGitHub

Investigations and source-quality analyst with eight years of auditable public work across original article creation, contested-source synthesis, consumer-genomics privacy, archival public-source research, source-quality review, biomedical evidence synthesis, health-information monitoring, structured metadata, multi-source data analysis and visualization, and adversarial AI evaluation. Public cases link to exact diffs and state explicit limits on what the evidence supports.

Selected evidence

8 yearsPublic source-work recordWikipedia, Wikidata and Wikimedia Commons
4,317Auditable contributionsClaims, citations, metadata and media records
80Published content contributionsScientific and health-information verification
113Proving Ground breaks#74 · top 6% · supporting adversarial evidence

Relevant experience

Mar 2018 — Present
  • Created the 18,351-byte English Wikipedia article Freedom Cities by reconciling academic analysis, campaign material, draft legislation, think-tank plans and independent reporting into a neutral account of a contested proposal.
  • Maintain consumer-genomics privacy records and recover archived corporate and legal sources, distinguishing allegations from established facts and constructing dated chronologies.
  • Synthesize biomedical evidence into structured taxonomies; perform cross-language adaptation with terminology and citation preservation; separate facts, allegations and inference.

Science Writer & Fact-Checker / Website Manager (WordPress)

Entropy for Life · Independent contractor
Jun 2023 — Present
  • Investigate scientific and health claims across 80 documented published contributions using primary-literature searches, source-quality comparison and cross-source corroboration.
  • Co-authored and maintain a rolling H5N1 epidemiological update, reconciling fast-changing reports, documenting source dates and separating confirmed developments from uncertainty.
  • Localize English-language scientific evidence into Italian summaries while preserving meaning, source context and uncertainty.

Additional relevant experience

Volunteer Research Assistant & Focus-Group Co-Facilitator

Department of Developmental Psychology and Socialisation (DPSS), University of Padua · supervised by Marta Panzeri
Nov 2022 — 2025
  • Co-developed and facilitated approximately 4–5 recorded remote focus groups with autistic participants discussing sensitive sexuality and relationship topics.
  • Supported recruitment, consent, participant privacy, pseudonymous naming, recording boundaries, structured prompts, accessibility options and two-person facilitation handoffs.

Independent AI Evaluator

Independent practice · Gray Swan Proving Ground
Jul 2026 — Present
  • Tested chat, image, tool-use and indirect prompt-injection challenges, including extreme and otherwise sensitive content; #74 globally (top 6%) with 113 platform-displayed breaks on 29 July 2026. Analytical evaluation evidence, not production enforcement experience.

Additional evidence

Structured-data analysis and visualization

Built a public explorer combining FAOSTAT, NCD-RisC and World Bank datasets into interactive views with documented transformations, assumptions and methodological limitations.

Capabilities

Public-source researchAdvanced web and scholarly search, public-record triangulation, archival comparison, source provenance and cross-source corroboration
Source verification & integrityClaim-to-source auditing, provenance, citation, terminology and metadata review
Trust & Safety-adjacent analysisAmbiguous-case investigation, content-risk research, contested-source synthesis, evidence documentation, taxonomy development and escalation-ready reporting
AI and technical analysisAdversarial LLM testing; JavaScript, JSON, REST APIs, structured metadata and functional verification of evidence-oriented tools
CommunicationConcise investigative writing, uncertainty communication, reproducibility notes and explanations for technical and non-technical audiences

Best-fit role families

  • Investigations and content-integrity support
  • OSINT research and source-provenance analysis
  • Trust & Safety-adjacent analysis, risk documentation and escalation support

Education & credentials

  • Information Technology — Open UAS Path Studies (120 ECTS) — Metropolia University of Applied Sciences, Aug 2026–Present; bachelor's-level ICT studies in software development, databases, Unix/Linux, data structures and algorithms, networking, cloud computing, cybersecurity and applied AI. Eligible to apply to the BEng IT programme after completing 120 ECTS (admission not yet granted).
  • GALENOS Crowd Evidence Synthesis Training — Cochrane Crowd & GALENOS, 2026
  • Career Essentials in Generative AI — Microsoft & LinkedIn, 2024
  • Italian — native. English — C1 overall (EF SET 68/100); advanced technical reading and professional writing, with practical English-to-Italian scientific localization and cross-language content-quality work.