Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,688 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Stephen J Hill
Molecular Pharmacology of GPCRs
Adenosine receptors
Metrics
H-Index
i10 Index
Citation
64
250
16,513
Paul A Smith
white fat adipocytes
electrophysiology
pharmacology
xenobiotics
membrane transport
Metrics
H-Index
i10 Index
Citation
31
48
4,617
Rob Hill
Opioid Pharmacology
G-protein coupled receptors
novel opioids
polypharmacology
Metrics
H-Index
i10 Index
Citation
11
12
1,156
Chukwudi Okebaram
Pharmacology
Psychopharmacology
Drug Abuse
Novel Psychoactive Substances
Schizophrenia
Metrics
H-Index
i10 Index
Citation
3
0
22
Rankings
Ranking Based On Selection: 1
Steve Alexander|Stephen PH Alexander
Metrics
H-Index
i10 Index
Citation Counts
77
162
32,190
Pharmacology and biochemistry of significant drug targets
Rankings
Ranking Based On Selection: 2
Stephen J Hill
Metrics
H-Index
i10 Index
Citation Counts
64
250
16,513
Molecular Pharmacology of GPCRs
Adenosine receptors
Rankings
Ranking Based On Selection: 3
Tracey Bradshaw
Metrics
H-Index
i10 Index
Citation Counts
54
124
10,188
Rankings
Ranking Based On Selection: 4
Steve Briddon
Metrics
H-Index
i10 Index
Citation Counts
37
46
3,231
Rankings
Ranking Based On Selection: 5
Paul A Smith
Metrics
H-Index
i10 Index
Citation Counts
31
48
4,617
white fat adipocytes
electrophysiology
pharmacology
xenobiotics
membrane transport
Rankings
Ranking Based On Selection: 6
David A Sykes
Metrics
H-Index
i10 Index
Citation Counts
22
34
2,119
Rankings
Ranking Based On Selection: 7
J Woolard
Metrics
H-Index
i10 Index
Citation Counts
22
33
3,019
Rankings
Ranking Based On Selection: 8
Rob Hill
Metrics
H-Index
i10 Index
Citation Counts
11
12
1,156
Opioid Pharmacology
G-protein coupled receptors
novel opioids
polypharmacology
Rankings
Ranking Based On Selection: 9
Chukwudi Okebaram
Metrics
H-Index
i10 Index
Citation Counts
3
0
22
Pharmacology
Psychopharmacology
Drug Abuse
Novel Psychoactive Substances
Schizophrenia