Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
![Stefan Schillberg](https://cdn.adscientificindex.com/pictures/b8/4432002.jpg)
protein engineering
recombinant protein expression and downstream processing
plant biotechnology
cell-free expression
vertic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,834
4,074
0.376
![Juan Guzman](https://cdn.adscientificindex.com/pictures/88/4434916.jpg)
Pichia pastoris
protein expression
helper factors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,622
1,056
0.651
![Udo Hommen](/user/assets/images/profile/no-profile-photo.png)
Ecotoxicology
Ecological Risk Assessment of Chemicals
Ecological Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,972
696
0.353
* Last 6 Years Citation Counts Rankings
![Kwang-Zin Lee](/user/assets/images/profile/no-profile-photo.png)
biological pest control
entomopathogens
host-pathogen interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
800
465
0.581
* Last 6 Years Citation Counts Rankings
![Elke Eilebrecht](/user/assets/images/profile/no-profile-photo.png)
Ecotoxicology
Neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
715
454
0.635
* Last 6 Years Citation Counts Rankings
![Benedikt Leis](/user/assets/images/profile/no-profile-photo.png)
high-throughput screening
biotechnology
natural product discovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
294
0.659
* Last 6 Years Citation Counts Rankings
![Max Schubert](https://cdn.adscientificindex.com/pictures/d3/4780983.jpg)
Bioeconomy
Biotechnology
Molecular Biology
Plant Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
111
0.828
* Last 6 Years Citation Counts Rankings
![Jan Pietschmann](https://cdn.adscientificindex.com/pictures/d7/4780984.jpg)
Assay Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
106
1.000
Stefan Schillberg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,834
4,074
0.376
protein engineering
recombinant protein expression and downstream processing
plant biotechnology
cell-free expression
vertic
Juan Guzman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,622
1,056
0.651
Pichia pastoris
protein expression
helper factors
Udo Hommen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,972
696
0.353
Ecotoxicology
Ecological Risk Assessment of Chemicals
Ecological Modelling
Kwang-Zin Lee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
800
465
0.581
biological pest control
entomopathogens
host-pathogen interactions
Elke Eilebrecht
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
715
454
0.635
Benedikt Leis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
446
294
0.659
high-throughput screening
biotechnology
natural product discovery
Max Schubert
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134
111
0.828
Bioeconomy
Biotechnology
Molecular Biology
Plant Biotechnology
Jan Pietschmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106
106
1.000