Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 288 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Data science
Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,653
9,496
0.223
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,500
2,382
0.227
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,392
527
0.063
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,986
2,016
0.252
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Biomass
biofuels
Chemicals
Plastic Recycling
Sustainabilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,957
3,556
0.447
* Total Citation Counts Rankings
Ranking Based On Selection: 6
computational physics
rock physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,581
1,641
0.216
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Combustion
Fuel
Adsorption
Mobilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,548
2,508
0.332
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Condensed Matter
Complex Oxides
Two-dimensional material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,122
3,608
0.507
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Geofisic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,802
2,597
0.382
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Geomechanics
Pore pressure prediction
Pore pressure
Wellbore stability
Rock mechanic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,083
2,639
0.434
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Geology
Tectonics
Mineral Exploratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,644
933
0.165
* Total Citation Counts Rankings
Ranking Based On Selection: 12
flow in porous media
core analysis
CO2 storage
CCS
reservoir engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,084
2,659
0.523
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Reservoir Engineering
EOR/IOR
WRFM
Reservoir Modelling
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,964
1,431
0.288
* Total Citation Counts Rankings
Ranking Based On Selection: 14
carcinogenesis
biomonitoring
reprotoxicit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,934
1,382
0.280
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Machine Learning
Data Science
High Performance Computing
Image and Video Processing
Compressio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,865
971
0.200
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Tectonics
Plate kinematics
Geodynamics
Paleogeograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,686
2,504
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Water-Based EOR
Hydrogen Storage
Energy Storage
Carbon Storage
Pore Scale Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,679
3,282
0.701
* Total Citation Counts Rankings
Ranking Based On Selection: 18
CCS
Reaction Engineering
Energy
Biomass Conversion
Process Modellin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,414
2,772
0.628
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Decarbonization
Greentech
Sustainability
Electrochemistry
Energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,412
3,910
0.886
* Total Citation Counts Rankings
Ranking Based On Selection: 20
materials
corrosion
engineering
oil and ga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,364
1,320
0.302
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Electron Microscopy
Catalysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,190
2,570
0.613
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Petroleum Engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,984
2,172
0.545
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Enhanced oil recovery
Special core analysis
Microfluidics
Complex Fluid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,894
1,178
0.303
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Fischer-Tropsch Synthesis
CO2 hydrogenatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,880
1,188
0.306
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Chemistry
Catalysis
Lubricant
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,395
1,076
0.317
* Total Citation Counts Rankings
Rankings
13,898
6,517
1
Ranking Based On Selection: 1
Jie Chen
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,653
9,496
0.223
* Total Citation Counts Rankings
Rankings
99,057
39,357
2
Ranking Based On Selection: 2
Chheda Juben
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,500
2,382
0.227
* Total Citation Counts Rankings
Rankings
127,658
49,002
3
Ranking Based On Selection: 3
Peter Tanev
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,392
527
0.063
* Total Citation Counts Rankings
Rankings
134,860
51,349
4
Ranking Based On Selection: 4
Anand Nilekar
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,986
2,016
0.252
* Total Citation Counts Rankings
Rankings
135,382
51,519
5
Ranking Based On Selection: 5
Jean-Paul Lange
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,957
3,556
0.447
Biomass
biofuels
Chemicals
Plastic Recycling
Sustainabilit
* Total Citation Counts Rankings
Rankings
142,721
53,899
6
Ranking Based On Selection: 6
Johannes M Vianney A Koelman
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,581
1,641
0.216
* Total Citation Counts Rankings
Rankings
143,314
54,093
7
Ranking Based On Selection: 7
Roger Cracknell
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,548
2,508
0.332
Combustion
Fuel
Adsorption
Mobilit
* Total Citation Counts Rankings
Rankings
152,375
56,968
8
Ranking Based On Selection: 8
Dirk J Groenendijk
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,122
3,608
0.507
Condensed Matter
Complex Oxides
Two-dimensional material
* Total Citation Counts Rankings
Rankings
159,818
59,285
9
Ranking Based On Selection: 9
Jorge Lopez
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,802
2,597
0.382
* Total Citation Counts Rankings
Rankings
179,193
65,320
10
Ranking Based On Selection: 10
Jon Jincai Zhang
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,083
2,639
0.434
Geomechanics
Pore pressure prediction
Pore pressure
Wellbore stability
Rock mechanic
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Rankings
193,035
69,609
11
Ranking Based On Selection: 11
Mark W Martin
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,644
933
0.165
Geology
Tectonics
Mineral Exploratio
* Total Citation Counts Rankings
Rankings
213,721
75,733
12
Ranking Based On Selection: 12
Christopher H Pentland
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,084
2,659
0.523
flow in porous media
core analysis
CO2 storage
CCS
reservoir engineerin
* Total Citation Counts Rankings
Rankings
218,681
77,152
13
Ranking Based On Selection: 13
Volodimir Karpan
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,964
1,431
0.288
Reservoir Engineering
EOR/IOR
WRFM
Reservoir Modelling
Machine Learnin
* Total Citation Counts Rankings
Rankings
219,931
77,525
14
Ranking Based On Selection: 14
Peter J Boogaard
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,934
1,382
0.280
* Total Citation Counts Rankings
Rankings
222,846
78,385
15
Ranking Based On Selection: 15
Ligang Lu
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,865
971
0.200
Machine Learning
Data Science
High Performance Computing
Image and Video Processing
Compressio
* Total Citation Counts Rankings
Rankings
230,855
80,759
16
Ranking Based On Selection: 16
Christian Heine
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,686
2,504
0.534
Tectonics
Plate kinematics
Geodynamics
Paleogeograph
* Total Citation Counts Rankings
Rankings
231,160
80,845
17
Ranking Based On Selection: 17
Hassan Mahani
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,679
3,282
0.701
Water-Based EOR
Hydrogen Storage
Energy Storage
Carbon Storage
Pore Scale Physic
* Total Citation Counts Rankings
Rankings
243,812
84,545
18
Ranking Based On Selection: 18
Joseph G Yao
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,414
2,772
0.628
CCS
Reaction Engineering
Energy
Biomass Conversion
Process Modellin
* Total Citation Counts Rankings
Rankings
243,913
84,577
19
Ranking Based On Selection: 19
Sumit Verma
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,412
3,910
0.886
Decarbonization
Greentech
Sustainability
Electrochemistry
Energ
* Total Citation Counts Rankings
Rankings
246,506
85,348
20
Ranking Based On Selection: 20
Nicholas Laycock
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,364
1,320
0.302
materials
corrosion
engineering
oil and ga
* Total Citation Counts Rankings
Rankings
255,981
88,105
21
Ranking Based On Selection: 21
Jovana Zecevic
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,190
2,570
0.613
* Total Citation Counts Rankings
Rankings
267,870
91,522
22
Ranking Based On Selection: 22
Ramez A Nasralla
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,984
2,172
0.545
Petroleum Engineerin
* Total Citation Counts Rankings
Rankings
273,186
93,065
23
Ranking Based On Selection: 23
Katherine Humphry
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,894
1,178
0.303
Enhanced oil recovery
Special core analysis
Microfluidics
Complex Fluid
* Total Citation Counts Rankings
Rankings
274,025
93,311
24
Ranking Based On Selection: 24
Gerrit Leendert Bezemer
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,880
1,188
0.306
* Total Citation Counts Rankings
Rankings
307,249
102,799
25
Ranking Based On Selection: 25
Laura Barrio
Royal Dutch Shell
Houston, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,395
1,076
0.317