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O'Brien, Stephen J.

O'Brien, Stephen J.

Nova Southeastern University, United States

2025 Rank: 2,445

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Evolutionary Biology

SubField 2:

Developmental Biology

Rank in SubField 1: 34 out of 30,257 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score2,4452,187
Total Cites55,96664,738
H-index117126
Hm-index4752
Number of Single Authored Papers3636
Total Cites to Single Authored Papers9931,109
Number of Single+First Authored Papers110110
Total Cites to Single+First Authored Papers4,8485,504
Number of Single+First+Last Authored Papers368368
Total Cites to Single+First+Last Authored Papers26,33629,907
Composite Score44
Number of Distinct Citing Papers39,25742,359
Ratio of Total Citations to Distinct Citing Papers 1.43 1.53
Self-Citation Percentage
13.55%
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O'Brien, Stephen J.

O'Brien, Stephen J. TOP 10 3rd RUS

Nova Southeastern University, Russian Federation

2024 Rank: 2,332

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Evolutionary Biology

SubField 2:

Developmental Biology

Rank in SubField 1: 35 out of 29,473 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score2,3322,111
Total Cites53,80762,355
H-index114123
Hm-index4650
Number of Single Authored Papers3434
Total Cites to Single Authored Papers9721,087
Number of Single+First Authored Papers105105
Total Cites to Single+First Authored Papers4,6735,314
Number of Single+First+Last Authored Papers361361
Total Cites to Single+First+Last Authored Papers25,46028,963
Composite Score44
Number of Distinct Citing Papers37,66840,672
Ratio of Total Citations to Distinct Citing Papers 1.43 1.53
Self-Citation Percentage
13.71%
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O'Brien, Stephen J.

O'Brien, Stephen J.

Nova Southeastern University, United States

2023 Rank: 2,156

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Evolutionary Biology

SubField 2:

Developmental Biology

Rank in SubField 1: 33 out of 28,397 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score2,1561,939
Total Cites51,78960,112
H-index113122
Hm-index4549
Number of Single Authored Papers3636
Total Cites to Single Authored Papers9571,073
Number of Single+First Authored Papers107107
Total Cites to Single+First Authored Papers4,5695,209
Number of Single+First+Last Authored Papers365365
Total Cites to Single+First+Last Authored Papers24,68528,144
Composite Score44
Number of Distinct Citing Papers36,15339,054
Ratio of Total Citations to Distinct Citing Papers 1.43 1.54
Self-Citation Percentage
13.85%
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O'Brien, Stephen J.

O'Brien, Stephen J.

Nova Southeastern University, United States

2022 Rank: 1,986

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Evolutionary Biology

SubField 2:

Developmental Biology

Rank in SubField 1: 34 out of 27,371 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score1,9861,767
Total Cites49,15757,227
H-index111120
Hm-index4448
Number of Single Authored Papers3535
Total Cites to Single Authored Papers9291,044
Number of Single+First Authored Papers106106
Total Cites to Single+First Authored Papers4,3995,034
Number of Single+First+Last Authored Papers363363
Total Cites to Single+First+Last Authored Papers23,64727,044
Composite Score44
Number of Distinct Citing Papers34,22836,987
Ratio of Total Citations to Distinct Citing Papers 1.44 1.55
Self-Citation Percentage
14.10%
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O'Brien, Stephen J.

O'Brien, Stephen J.

Nova Southeastern University, United States

2021 Rank: 1,936

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Developmental Biology

SubField 2:

Evolutionary Biology

Rank in SubField 1: 138 out of 123,644 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score1,9361,713
Total Cites47,61255,466
H-index109118
Hm-index4347
Number of Single Authored Papers3535
Total Cites to Single Authored Papers9071,017
Number of Single+First Authored Papers106106
Total Cites to Single+First Authored Papers4,2904,908
Number of Single+First+Last Authored Papers361361
Total Cites to Single+First+Last Authored Papers23,02426,346
Composite Score44
Number of Distinct Citing Papers33,17435,837
Ratio of Total Citations to Distinct Citing Papers 1.44 1.55
Self-Citation Percentage
14.16%
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O'Brien, Stephen J.

O'Brien, Stephen J. TOP 10 3rd RUS

Saint Petersburg State University, Russian Federation

2020 Rank: 1,739

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Evolutionary Biology

SubField 2:

Developmental Biology

Rank in SubField 1: 22 out of 23,541 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score1,7391,509
Total Cites44,81252,366
H-index107116
Hm-index4246
Number of Single Authored Papers3434
Total Cites to Single Authored Papers888996
Number of Single+First Authored Papers105105
Total Cites to Single+First Authored Papers4,1494,761
Number of Single+First+Last Authored Papers359359
Total Cites to Single+First+Last Authored Papers21,95325,235
Composite Score44
Number of Distinct Citing Papers31,05033,566
Ratio of Total Citations to Distinct Citing Papers 1.44 1.56
Self-Citation Percentage
14.43%
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