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Researcher · Isle of Wight NHS Trust · United Kingdom

John O’Brien

John O’Brien publishes mostly in Finance, Education and Sociology and Political Science, on topics such as Healthcare innovation and challenges, Analytical Methods in Pharmaceuticals and Financial Markets and Investment Strategies.

ORCID 0000-0002-5468-4466 OpenAlex
World rank
#71,486
of 1,633,909 ranked researchers
Rank in United Kingdom
#6,717
of 90,785
Works
85
Citations
262
Citations per work
3.1

What does John O’Brien research?

Finance: 7.6%Education: 7.6%Sociology and Political Science: 7.6%Economics and Econometrics: 5.1%other fields: 72.1%8%top field
Finance7.6%Education7.6%Sociology and Political Science7.6%Economics and Econometrics5.1%other fields72.1%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Finance8% of their works
  2. 2Education8% of their works
  3. 3Sociology and Political Science8% of their works
  4. 4Economics and Econometrics5% of their works
  5. 5Literature and Literary Theory5% of their works
  6. 6Plant Science4% of their works

Research topics

Which keywords describe John O’Brien's research?

The keywords of their largest research topics: Direct Payments, Method Validation, Personalisation, Asset Pricing, Doping, Green Analytical Chemistry, Impact Investing and Performance-Enhancing Drugs.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Direct Payments31 topic
  2. Method Validation32 topics
  3. Personalisation31 topic
  4. Asset Pricing21 topic
  5. Doping21 topic
  6. Green Analytical Chemistry21 topic
  7. Impact Investing21 topic
  8. Performance-Enhancing Drugs21 topic
  9. Pharmaceutical Analysis21 topic
  10. Social Impact Bonds21 topic
  11. Stock Returns21 topic
  12. Amino Acids11 topic
  13. Dormancy11 topic
  14. Fruit Trees11 topic
  15. Gut Microbiota11 topic
  16. Liquid Chromatography11 topic
  17. Pesticide Residues11 topic

Where does John O’Brien work?

John O’Brien's main affiliation in the publication record is Isle of Wight NHS Trust, United Kingdom.

How many publications and citations does John O’Brien have?

Science Explorer counts 85 works and 262 citations for John O’Brien, ranking #71,486 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named John O’Brien

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