International patent application PCT/IB2019/054841, published as WO 2020/250007 on 17 December 2020: a computer-implemented environmental management and monitoring system for mines, plants, hospitals and schools. Inventors: Raphael Garcia da Costa and Ian Neil Clarke.
WIPO · PATENTSCOPEPDFWIPO ↗The record
Every claim,
with its source.
Kept the way Raphael keeps data: one dated entry per fact, each linked to the document, registry or publication that confirms it. Nothing is removed; updates are added as new entries.
2patent records
9awards & recognitions
4papers with DOIs
8invited stages
Inventions
South African patent 2021/10088 granted: Environmental Management System. Inventors: Raphael Garcia da Costa (Johannesburg) and Ian Neil Clarke (Perth).
CIPC, Republic of South AfricaRegister PDFDetailsThe Ledger Method: an original framework applying financial-ledger discipline to environmental data, in production at Sentinel AI and SensusAir.
Raphael Garcia da CostaFrameworkAwards
Innovation Excellence Award 2026
Awarded to Raphael's venturesGHP Innovation Excellence Award: SensusAir
GHP (Global Health & Pharma)Best Environmental Risk Management & Disease Prevention Specialists, USA: SensusAir
Awarded to SensusAirBest Air Quality Solutions Provider, South Africa: SensusAir
Awarded to SensusAirLeading Innovators in Environmental Intelligence for Mining: Sentinel AI
Awarded to Sentinel AIOutstanding Contribution to Industrial ESG Innovation: Sentinel AI
Awarded to Sentinel AISection 11D R&D recognition: Sentinel AI's research and development in industrial AI, environmental intelligence and mining technology, approved under the South African Government's R&D Tax Incentive.
Government of South Africa (DSI)NVIDIA Inception Program: Sentinel AI, as an AI start-up developing industrial AI.
NVIDIASWIFT Innotribe, Semi-Finalist (Growth Stage): GreenModel® universal sub-ledger and cloud financial reporting, engineering led by Raphael
SWIFT InnotribeResearch & white papers
Sodium Lignosulphonate as Dust Suppressant for Dust Control in Mines. Field study at Christmas Creek Mine, East Pilbara, Western Australia, monitored with DustScout: a 350% reduction in total dust suspension at peak conditions.
SSRN · doi 10.2139/ssrn.5312135DOI ↗SummaryAI-Enabled Indoor Air Quality Monitoring for Fungi Energy. Proof-of-concept study, November 2020 to June 2023.
SSRN · doi 10.2139/ssrn.5288135DOI ↗SummaryAI-Driven Air Quality Assessment Report for an Industrial Vacant Warehouse.
SSRN · doi 10.2139/ssrn.5288524DOI ↗SummaryAI-Enabled Indoor Air Quality Monitoring: A Comprehensive Trial Test Study with one of Africa's largest banks, November 2020 to June 2023.
SSRN · doi 10.2139/ssrn.5288143DOI ↗SummaryBook
Ledgers in the Air: Pattern Recognition from FinTech to Infection Control, by Raphael Garcia da Costa.
Raphael Garcia da CostaAbout the bookPress & publications
Sentinel AI rolls out AI dust monitoring across South African mineral belt, quoting Raphael as founder and CTO.
BizcommunityArticle ↗Opinion: New mining by-laws signal a step-up in Zimbabwean resource governance, by Raphael Garcia da Costa.
Mining Business AfricaArticle ↗Using AI to Anticipate Healthcare Air Quality Risks, by Raphael Garcia da Costa.
IT News AfricaArticle ↗Invited stages
Healthcare Innovation Summit Africa: invited talk When Air Becomes Data.
IT News Africa (organiser)Programme ↗PhotosAPIC Conference, Baptist Memorial Hospital, Memphis, USA: presented Utilization of an AI-Based Environmental Sensing Solution in Infection Prevention.
APICAPIC 2025 Annual Conference, Nashville, USA: breakout-room sessions on AI and environmental sensing for infection prevention.
APICAfrican Mining Week, South Africa: invited to present on AI-powered environmental intelligence, mining innovation and ESG technology.
African Mining WeekAPIC 2026 Annual Conference, USA: attended as a thought leader in AI for infection prevention.
APICPhotosLe Bonheur Children's Hospital, Memphis, USA: invited to present SensusAir's environmental intelligence platform and join research discussions on infection prevention.
Le Bonheur Children's HospitalUniversity of Guelph, Controlled Environment Systems Research Facility, Canada: invited by Professor Mike Dixon to discuss artificial intelligence for growing food in space and controlled-environment agriculture.
University of GuelphSt. Luke's Medical Center, Philippines: invited to present advances in AI for healthcare and environmental intelligence.
St. Luke's Medical CenterCompanies & roles
Founder, Hashtag AI Labs: AI engineering lab; work delivered for clients including Halliburton, Nike, Anglo American, FNB, BMW, Hollard, Red Bull, Sasol, Fortescue and Rio Tinto.
Hashtag AI LabsWebsite ↗Co-founder & CTO, Sentinel AI: environmental intelligence for mining; partners include Anglo American, Rio Tinto, Fortescue and Whitehaven.
Sentinel AIWebsite ↗Co-founder & CTO, SensusAir: indoor air intelligence deployed in the USA, South Africa, UK, Australia and the Philippines.
SensusAirWebsite ↗Engineering & architecture lead, FinTech ledger: the transaction ledger behind a pan-African remittance and wallet platform serving 20M+ customers in 70+ countries.
FinTech, AfricaLinkedIn ↗Founder, AI4DFuture: non-profit mentorship and AI labs for young founders.
AI4DFutureProgrammeMentor, VC4Africa and Mentor, Founder Institute (Johannesburg): coaching early-stage technology founders.
VC4Africa · Founder InstituteMentor, National Mentorship Movement: supporting South African entrepreneurs.
National Mentorship MovementMentor, Greater Tygerberg Partnership.
Greater Tygerberg PartnershipMember, Johannesburg Centre for Software Engineering (JCSE), Wits University: industry, government and academic software-engineering capacity initiatives.
JCSESouth African Artificial Intelligence Association.
SAAIAEducation & early career
MSc Artificial Intelligence, University of Hull, United Kingdom.
University of HullExecutive Education: AI in Healthcare.
Harvard Medical SchoolMachine Learning Specialization.
Stanford University · DeepLearning.AIData Science with Python.
University of Cape TownSoftware development, Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro: Brazil's public-health research institution.
FiocruzStoryLetters of reference from clients, collaborators and event organisers are available on request. Request the full evidence pack →