Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 871 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 Rankings

Rankings

flag
110,025
World Rank
Saudi Arabia
335
Country Rank
King Fahd University of Petroleum & Minerals Logo
26
University
Ranking Based On Selection:
26
Engineering & Technology / Energy Engineering
Energy | Materials | and Environmen

Citation Metrics

  • Total
    9,627
  • Last 6 Years
    3,732
  • Last 6 Years / Total
    0.388
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
111,671
World Rank
Saudi Arabia
343
Country Rank
King Fahd University of Petroleum & Minerals Logo
27
University
Ranking Based On Selection:
27

Citation Metrics

  • Total
    9,502
  • Last 6 Years
    4,516
  • Last 6 Years / Total
    0.475
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
111,707
World Rank
Saudi Arabia
344
Country Rank
King Fahd University of Petroleum & Minerals Logo
28
University
Ranking Based On Selection:
28
Engineering & Technology / Metallurgical & Materials Engineering
Materials Characterization | Coatings | Nanoindentation | Photocatalytic materials | Water treatmen

Citation Metrics

  • Total
    9,499
  • Last 6 Years
    8,280
  • Last 6 Years / Total
    0.872
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
112,981
World Rank
Saudi Arabia
346
Country Rank
King Fahd University of Petroleum & Minerals Logo
29
University
Ranking Based On Selection:
29
Engineering & Technology / Energy Engineering
Renewable Energy | Energy Transition | Energy Conservation & Management | Life Cycle Analysis | Sustainable Building

Citation Metrics

  • Total
    9,407
  • Last 6 Years
    5,673
  • Last 6 Years / Total
    0.603
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
117,981
World Rank
Saudi Arabia
367
Country Rank
King Fahd University of Petroleum & Minerals Logo
30
University
Ranking Based On Selection:
30
Engineering & Technology / Petroleum Engineering
Modeling | Machine Learning | Artificial intelligenc

Citation Metrics

  • Total
    9,049
  • Last 6 Years
    6,679
  • Last 6 Years / Total
    0.738
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
118,758
World Rank
Saudi Arabia
369
Country Rank
King Fahd University of Petroleum & Minerals Logo
31
University
Ranking Based On Selection:
31
Engineering & Technology / Computer Science
Artificial Intelligence in Petroleum Engineering | Petroleum Engineering | Geomechanic

Citation Metrics

  • Total
    8,999
  • Last 6 Years
    7,013
  • Last 6 Years / Total
    0.779
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
124,644
World Rank
Saudi Arabia
394
Country Rank
King Fahd University of Petroleum & Minerals Logo
32
University
Ranking Based On Selection:
32

Citation Metrics

  • Total
    8,617
  • Last 6 Years
    4,396
  • Last 6 Years / Total
    0.510
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
124,792
World Rank
Saudi Arabia
398
Country Rank
King Fahd University of Petroleum & Minerals Logo
33
University
Ranking Based On Selection:
33
Natural Sciences / Chemical Sciences
Analytical sample preparation | Membrane assisted extractions | Water analysis | Electroanalytical Chemistr

Citation Metrics

  • Total
    8,607
  • Last 6 Years
    7,254
  • Last 6 Years / Total
    0.843
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
126,109
World Rank
Saudi Arabia
403
Country Rank
King Fahd University of Petroleum & Minerals Logo
34
University
Ranking Based On Selection:
34
Natural Sciences / Mathematical Sciences
Nonlinear Analysis | Optimization | Vector Optimization | Variational Inequalities | Variationa

Citation Metrics

  • Total
    8,526
  • Last 6 Years
    2,509
  • Last 6 Years / Total
    0.294
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
129,657
World Rank
Saudi Arabia
418
Country Rank
King Fahd University of Petroleum & Minerals Logo
35
University
Ranking Based On Selection:
35
Others
SPC | Control Charts | ANN | Experiment Design | Nonparametric

Citation Metrics

  • Total
    8,317
  • Last 6 Years
    5,832
  • Last 6 Years / Total
    0.701
Get Full Access to Premium Data Get Full Access to Premium Data

Smart Institutional Plan

Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.

* Total Citation Rankings

Rankings

flag
132,035
World Rank
Saudi Arabia
429
Country Rank
King Fahd University of Petroleum & Minerals Logo
36
University
Ranking Based On Selection:
36
Engineering & Technology / Civil Engineering
Civil Engineering | Concrete Technology | Concret

Citation Metrics

  • Total
    8,179
  • Last 6 Years
    6,139
  • Last 6 Years / Total
    0.751
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
137,422
World Rank
Saudi Arabia
451
Country Rank
King Fahd University of Petroleum & Minerals Logo
37
University
Ranking Based On Selection:
37
Engineering & Technology / Nanoscience and Nanotechnology
Nanotechnology | Electrochemistry | Energy storage | Water splitting | Analytical Chemistr

Citation Metrics

  • Total
    7,888
  • Last 6 Years
    6,495
  • Last 6 Years / Total
    0.823
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
141,273
World Rank
Saudi Arabia
468
Country Rank
King Fahd University of Petroleum & Minerals Logo
38
University
Ranking Based On Selection:
38
Medical and Health Sciences / Microbiology
microbiology | biodegradation | bioremediatio

Citation Metrics

  • Total
    7,688
  • Last 6 Years
    2,905
  • Last 6 Years / Total
    0.378
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
143,252
World Rank
Saudi Arabia
478
Country Rank
King Fahd University of Petroleum & Minerals Logo
39
University
Ranking Based On Selection:
39
Engineering & Technology / Energy Engineering
Renewable Energy | Energy Storage | Smart Grids | Optimization and Control | Artificial Intelligenc

Citation Metrics

  • Total
    7,592
  • Last 6 Years
    6,321
  • Last 6 Years / Total
    0.833
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
147,737
World Rank
Saudi Arabia
492
Country Rank
King Fahd University of Petroleum & Minerals Logo
40
University
Ranking Based On Selection:
40
Business & Management / Marketing
Marketing | e-business | strategy | consumer behaviou

Citation Metrics

  • Total
    7,374
  • Last 6 Years
    3,038
  • Last 6 Years / Total
    0.412
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
152,890
World Rank
Saudi Arabia
507
Country Rank
King Fahd University of Petroleum & Minerals Logo
41
University
Ranking Based On Selection:
41

Citation Metrics

  • Total
    7,137
  • Last 6 Years
    3,023
  • Last 6 Years / Total
    0.424
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
153,739
World Rank
Saudi Arabia
511
Country Rank
King Fahd University of Petroleum & Minerals Logo
42
University
Ranking Based On Selection:
42

Citation Metrics

  • Total
    7,100
  • Last 6 Years
    2,543
  • Last 6 Years / Total
    0.358
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
155,140
World Rank
Saudi Arabia
517
Country Rank
King Fahd University of Petroleum & Minerals Logo
43
University
Ranking Based On Selection:
43
Engineering & Technology / Chemical Engineering
Polymers | Materials | Environmental Engineerin

Citation Metrics

  • Total
    7,037
  • Last 6 Years
    5,072
  • Last 6 Years / Total
    0.721
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
157,480
World Rank
Saudi Arabia
533
Country Rank
King Fahd University of Petroleum & Minerals Logo
44
University
Ranking Based On Selection:
44
Engineering & Technology / Mechanical Engineering
CO2 capture & utlization | Bioenergy | Microalgae | Fluidization | Catalysi

Citation Metrics

  • Total
    6,937
  • Last 6 Years
    5,441
  • Last 6 Years / Total
    0.784
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
157,881
World Rank
Saudi Arabia
535
Country Rank
King Fahd University of Petroleum & Minerals Logo
45
University
Ranking Based On Selection:
45
Engineering & Technology / Computer Science
Environmental Eng. | Groundwater Quality | Water Resources | Artificial Intelligence | Digital Wate

Citation Metrics

  • Total
    6,920
  • Last 6 Years
    6,780
  • Last 6 Years / Total
    0.980
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
164,971
World Rank
Saudi Arabia
574
Country Rank
King Fahd University of Petroleum & Minerals Logo
46
University
Ranking Based On Selection:
46
Engineering & Technology / Biomedical Engineering
Bioinstrumentation | Biosensing | Metamaterials | Microwave | Terahertz Technolog

Citation Metrics

  • Total
    6,633
  • Last 6 Years
    3,029
  • Last 6 Years / Total
    0.457
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
166,174
World Rank
Saudi Arabia
581
Country Rank
King Fahd University of Petroleum & Minerals Logo
47
University
Ranking Based On Selection:
47
Engineering & Technology / Electrical & Electronic Engineering
Machine learning applications on:Renewable energy data analysis | Arabic sign language recognition | Siesmic data compression | Sm

Citation Metrics

  • Total
    6,587
  • Last 6 Years
    2,730
  • Last 6 Years / Total
    0.414
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
168,418
World Rank
Saudi Arabia
585
Country Rank
King Fahd University of Petroleum & Minerals Logo
48
University
Ranking Based On Selection:
48
Natural Sciences / Chemical Sciences
Carbon Capture | Oxy-Combustion | Leak Detection | CF

Citation Metrics

  • Total
    6,503
  • Last 6 Years
    4,046
  • Last 6 Years / Total
    0.622
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
171,686
World Rank
Saudi Arabia
597
Country Rank
King Fahd University of Petroleum & Minerals Logo
49
University
Ranking Based On Selection:
49
Engineering & Technology / Computer Science
Wireless communications | edge computing | networking | stochastic geometry | queueing theory

Citation Metrics

  • Total
    6,381
  • Last 6 Years
    3,027
  • Last 6 Years / Total
    0.474
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Rankings

Rankings

flag
174,911
World Rank
Saudi Arabia
612
Country Rank
King Fahd University of Petroleum & Minerals Logo
50
University
Ranking Based On Selection:
50
Engineering & Technology / Mechanical Engineering
Corrosion and coatings | Fatigue and fracture of engineering material

Citation Metrics

  • Total
    6,265
  • Last 6 Years
    3,874
  • Last 6 Years / Total
    0.618
Get Full Access to Premium Data Get Full Access to Premium Data