Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 15 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
Community health
health systems
human resources for health
sexual and reproductive health and right
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,659
3,580
0.768
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Certification
Private governance
Cross-sector partnerships
Value chains
Inclusive rural transformatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,016
1,935
0.642
* Total Citation Counts Rankings
Ranking Based On Selection: 3
epidemiology
global healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,485
939
0.378
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Value chains
livelihoods
fisheries
aquaculture
agrobiodiversit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,353
1,593
0.677
* Total Citation Counts Rankings
Ranking Based On Selection: 5
global healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,017
1,043
0.517
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Certification
Private Governance
Value Chains
Cross-sector Partnerships
Sustainable Developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,952
1,154
0.591
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Agri-finance services
agri-business
impact assessment
Afric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,381
408
0.295
* Total Citation Counts Rankings
Ranking Based On Selection: 8
international health
global health
human resources for health
e-learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,126
398
0.353
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Epidemiology conservatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
896
524
0.585
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Agricultural Development
Nutrition
Evaluatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
311
264
0.849
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
303
228
0.752
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Public Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
102
0.699
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Health systems and polic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
32
0.800
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Infectious disease epidemiology
health equity
public health surveillance
substance use/misus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 15
epidemiology
nutrition
disaster
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total Citation Counts Rankings
Rankings
232,721
5,249
1
Ranking Based On Selection: 1
Maryse Kok
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,659
3,580
0.768
Community health
health systems
human resources for health
sexual and reproductive health and right
* Total Citation Counts Rankings
Rankings
339,856
7,121
2
Ranking Based On Selection: 2
Verena Bitzer
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,016
1,935
0.642
Certification
Private governance
Cross-sector partnerships
Value chains
Inclusive rural transformatio
* Total Citation Counts Rankings
Rankings
395,935
8,027
3
Ranking Based On Selection: 3
Sandra Alba
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,485
939
0.378
epidemiology
global healt
* Total Citation Counts Rankings
Rankings
412,392
8,274
4
Ranking Based On Selection: 4
Froukje Kruijssen
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,353
1,593
0.677
Value chains
livelihoods
fisheries
aquaculture
agrobiodiversit
* Total Citation Counts Rankings
Rankings
461,080
9,043
5
Ranking Based On Selection: 5
Mirjam Bakker|Mirjam Irene Bakker, Mirjam I Bakker, M.I. Bakker
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,017
1,043
0.517
* Total Citation Counts Rankings
Rankings
471,834
9,209
6
Ranking Based On Selection: 6
Greetje Schouten
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,952
1,154
0.591
Certification
Private Governance
Value Chains
Cross-sector Partnerships
Sustainable Developmen
* Total Citation Counts Rankings
Rankings
589,905
10,931
7
Ranking Based On Selection: 7
Fred Zaal
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,381
408
0.295
Agri-finance services
agri-business
impact assessment
Afric
* Total Citation Counts Rankings
Rankings
662,760
11,888
8
Ranking Based On Selection: 8
Prisca Zwanikken
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,126
398
0.353
international health
global health
human resources for health
e-learnin
* Total Citation Counts Rankings
Rankings
745,128
12,966
9
Ranking Based On Selection: 9
Ente Rood
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
896
524
0.585
Epidemiology conservatio
* Total Citation Counts Rankings
Rankings
1,157,801
18,723
10
Ranking Based On Selection: 10
Rob Kuijpers
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
311
264
0.849
Agricultural Development
Nutrition
Evaluatio
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
1,169,406
18,873
11
Ranking Based On Selection: 11
Eelco Jacobs
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
303
228
0.752
* Total Citation Counts Rankings
Rankings
1,533,734
22,491
12
Ranking Based On Selection: 12
Osei Kuffour Afreh
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
146
102
0.699
* Total Citation Counts Rankings
Rankings
2,105,304
25,897
13
Ranking Based On Selection: 13
Dorji Tshering
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40
32
0.800
Health systems and polic
* Total Citation Counts Rankings
Rankings
2,267,836
26,523
14
Ranking Based On Selection: 14
Umaru Sesay
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23
23
1.000
Infectious disease epidemiology
health equity
public health surveillance
substance use/misus
* Total Citation Counts Rankings
Rankings
2,462,548
27,189
15
Ranking Based On Selection: 15
Nima Yaghmaei
Royal Tropical Institute
Glasgow, Netherlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
epidemiology
nutrition
disaster