Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 179 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
Software Engineering
Search-based Software Engineering
Software Testing
Specification Mining
SBS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,699
9,005
0.574
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Professor
Chair of Computer Engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,090
4,793
0.318
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Internet
Energy Efficiency
Virtualization
Self-Organization
Smart Gri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,567
3,089
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Stability Theory
Robustness
Switched Systems
Large-Scale System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,547
2,522
0.334
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Programming languages and methods
parallelis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,453
1,392
0.216
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Information Retrieval
Data Science
Applied Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,154
3,063
0.498
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Theory of nature-inspired algorithms
randomised algorithms
natural computation
evolutionary computatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
1,979
0.453
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Development
Education
Health
Population
Labour Market
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,364
1,829
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 9
secure systems
defense
cyber security
research
human-computer interactio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,230
1,283
0.303
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
distributed information systems
distributed multimedia systems and middleware
Web of Things
multimedia database
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,777
857
0.227
* Total Citation Counts Rankings
Ranking Based On Selection: 11
landscape ecology
vegetation geography
forests
biodiversity conservatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,673
2,149
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Intercultural Management
Cross-Cultural Management
Intercultural Competences
Paradigms
Entrepreneurshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,380
1,586
0.469
* Total Citation Counts Rankings
Ranking Based On Selection: 13
change innovation
crisis
strategy
executives
impression managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,356
2,642
0.787
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Marketin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,141
1,937
0.617
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Computer Algebra
Commutative Algebra
Algebraic Geometry
Algebraic Cryptograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,965
773
0.261
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Applied Microeconometrics
Population Economics
Labor Economics
Health Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,601
1,399
0.538
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Economics of Information Systems
Digital Economics
Platforms
Digital Markets
Regulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,588
1,350
0.522
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Management
People
Informatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,519
1,338
0.531
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,490
1,880
0.755
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Control theory
Stability theory
PDE control
Infinite-dimensional systems
Hybrid system
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,376
1,639
0.690
* Total Citation Counts Rankings
Ranking Based On Selection: 21
political communication
science communication
online communicatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,329
1,668
0.716
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Soziologi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,307
266
0.115
* Total Citation Counts Rankings
Ranking Based On Selection: 23
algorithms
combinatorial optimization
graph drawing
graph algorithms
computational geometr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,243
1,101
0.491
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Human Geography
Development Studies
Urban Studies
Migration Research
Touris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,037
939
0.461
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Operations Logistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,007
470
0.234
* Total Citation Counts Rankings
Rankings
60,429
2,658
1
Ranking Based On Selection: 1
Gordon Fraser
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,699
9,005
0.574
Software Engineering
Search-based Software Engineering
Software Testing
Specification Mining
SBS
* Total Citation Counts Rankings
Rankings
63,620
2,812
2
Ranking Based On Selection: 2
Stefan Katzenbeisser
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,090
4,793
0.318
Professor
Chair of Computer Engineerin
* Total Citation Counts Rankings
Rankings
80,104
3,520
3
Ranking Based On Selection: 3
Hermann De Meer
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,567
3,089
0.246
Internet
Energy Efficiency
Virtualization
Self-Organization
Smart Gri
* Total Citation Counts Rankings
Rankings
143,779
6,098
4
Ranking Based On Selection: 4
Fabian Wirth
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,547
2,522
0.334
Stability Theory
Robustness
Switched Systems
Large-Scale System
* Total Citation Counts Rankings
Rankings
169,433
7,095
5
Ranking Based On Selection: 5
Christian Lengauer
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,453
1,392
0.216
* Total Citation Counts Rankings
Rankings
177,659
7,417
6
Ranking Based On Selection: 6
Granitzer Michael
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,154
3,063
0.498
Information Retrieval
Data Science
Applied Machine Learnin
* Total Citation Counts Rankings
Rankings
247,086
9,868
7
Ranking Based On Selection: 7
Dirk Sudholt
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
1,979
0.453
Theory of nature-inspired algorithms
randomised algorithms
natural computation
evolutionary computatio
* Total Citation Counts Rankings
Rankings
247,281
9,876
8
Ranking Based On Selection: 8
Michael Grimm
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,364
1,829
0.419
Development
Education
Health
Population
Labour Market
* Total Citation Counts Rankings
Rankings
254,522
10,141
9
Ranking Based On Selection: 9
Matthias Kranz
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,230
1,283
0.303
secure systems
defense
cyber security
research
human-computer interactio
* Total Citation Counts Rankings
Rankings
281,367
11,041
10
Ranking Based On Selection: 10
ENS Lyon Harald Kosch
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,777
857
0.227
distributed information systems
distributed multimedia systems and middleware
Web of Things
multimedia database
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 Counts Rankings
Rankings
288,235
11,299
11
Ranking Based On Selection: 11
Christine B Schmitt
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,673
2,149
0.585
landscape ecology
vegetation geography
forests
biodiversity conservatio
* Total Citation Counts Rankings
Rankings
309,326
11,972
12
Ranking Based On Selection: 12
Christoph Barmeyer
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,380
1,586
0.469
Intercultural Management
Cross-Cultural Management
Intercultural Competences
Paradigms
Entrepreneurshi
* Total Citation Counts Rankings
Rankings
311,194
12,030
13
Ranking Based On Selection: 13
Andreas König
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,356
2,642
0.787
change innovation
crisis
strategy
executives
impression managemen
* Total Citation Counts Rankings
Rankings
328,876
12,611
14
Ranking Based On Selection: 14
Jan H Schumann
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,141
1,937
0.617
* Total Citation Counts Rankings
Rankings
344,729
13,143
15
Ranking Based On Selection: 15
Martin Kreuzer
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,965
773
0.261
Computer Algebra
Commutative Algebra
Algebraic Geometry
Algebraic Cryptograph
* Total Citation Counts Rankings
Rankings
382,530
14,385
16
Ranking Based On Selection: 16
Stefan Bauernschuster
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,601
1,399
0.538
Applied Microeconometrics
Population Economics
Labor Economics
Health Economic
* Total Citation Counts Rankings
Rankings
384,040
14,440
17
Ranking Based On Selection: 17
Jan Krämer
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,588
1,350
0.522
Economics of Information Systems
Digital Economics
Platforms
Digital Markets
Regulatio
* Total Citation Counts Rankings
Rankings
391,984
14,680
18
Ranking Based On Selection: 18
Marina Fiedler
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,519
1,338
0.531
Management
People
Informatio
* Total Citation Counts Rankings
Rankings
395,296
14,785
19
Ranking Based On Selection: 19
Alena Otto
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,490
1,880
0.755
* Total Citation Counts Rankings
Rankings
409,383
15,229
20
Ranking Based On Selection: 20
Andrii Mironchenko
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,376
1,639
0.690
Control theory
Stability theory
PDE control
Infinite-dimensional systems
Hybrid system
* Total Citation Counts Rankings
Rankings
415,563
15,436
21
Ranking Based On Selection: 21
Hannah Schmid-Petri
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,329
1,668
0.716
political communication
science communication
online communicatio
* Total Citation Counts Rankings
Rankings
418,583
15,519
22
Ranking Based On Selection: 22
Maurizio Bach
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,307
266
0.115
* Total Citation Counts Rankings
Rankings
427,282
15,807
23
Ranking Based On Selection: 23
Ignaz Rutter
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,243
1,101
0.491
algorithms
combinatorial optimization
graph drawing
graph algorithms
computational geometr
* Total Citation Counts Rankings
Rankings
457,780
16,748
24
Ranking Based On Selection: 24
Steinbrink Malte
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,037
939
0.461
Human Geography
Development Studies
Urban Studies
Migration Research
Touris
* Total Citation Counts Rankings
Rankings
462,751
16,894
25
Ranking Based On Selection: 25
Hans Ziegler
Universität Passau
Passau, Germany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,007
470
0.234