Lebanon's Top 2% Scientists 2020

Lebanon has 56 scientists on the 2020 single-year Top 2% list. That places Lebanon 57th in the world by number of listed scientists. American University of Beirut has the most listed scientists (29), followed by American University of Beirut Medical Center (5).

Single Year

First year listed

Career Data

First year listed

World rank by count

#57

First year listed

Institutes

First year listed

Scientists in Lebanon on the list, by year

Single-year list, change on the previous year

2021+19.6%

2022+6.0%

2023+1.4%

2024+45.8%

2025-6.7%

Show the numbers

Year	Single Year	Change	Career Data	Change
2020	56		48
2021	67	+19.6%	59	+22.9%
2022	71	+6.0%	62	+5.1%
2023	72	+1.4%	62	+0.0%
2024	105	+45.8%	78	+25.8%
2025	98	-6.7%	92	+17.9%

Top 10 institutes in Lebanon

By number of listed scientists

Single-year list2020

Show the list

All 56 scientists

Single-year list2020

Everyone on the list, free to browse.

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Rank in Lebanon	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	2,571	JD Jamali, Dima	American University of Beirut	Business & Management	Rank 58
2	4,859	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 101
3	8,928	BE Bouri, Elie	Holy Spirit University of Kaslik (USEK)	Finance	Rank 40
4	14,547	AE Akl, Elie A.	American University of Beirut	General & Internal Medicine	Rank 173
5	24,713	SA Shihadeh, Alan	American University of Beirut	Public Health	Rank 251
6	28,376	OC Obermeyer, Carla Makhlouf	American University of Beirut	Public Health	Rank 306
7	29,177	TA Tosteson, Anna N.A.	The Dartmouth Institute for Health Policy and Clinical Practice	Orthopedics	Rank 137
8	30,213	HM Harajli, M.	American University of Beirut	Civil Engineering	Rank 92
9	32,583	BA Barnato, Amber E.	The Dartmouth Institute for Health Policy and Clinical Practice	Emergency & Critical Care Medicine	Rank 105
10	33,941	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 497
11	39,644	GA Ghauch, Antoine	American University of Beirut	Environmental Sciences	Rank 430
12	44,665	KF Khuri, Fadlo R.	American University of Beirut	Oncology & Carcinogenesis	Rank 1,568
13	45,060	LJ Lurie, Jon D.	Dartmouth-Hitchcock Medical Center	Orthopedics	Rank 228
14	46,570	TV Tanzi, Vito L.	Hammoud Hospital	Economics	Rank 626
15	47,145	EF El-Hajj Fuleihan, Ghada	American University of Beirut Medical Center	Endocrinology & Metabolism	Rank 867
16	49,097	OI Osman, Ibrahim H.	American University of Beirut	Operations Research	Rank 273
17	51,527	ZF Ziyadeh, Fuad N.	American University of Beirut	Urology & Nephrology	Rank 386
18	51,858	TA Taher, Ali T.	American University of Beirut Medical Center	Immunology	Rank 1,118
19	58,977	AB Atiyeh, Bishara S.	American University of Beirut Medical Center	Surgery	Rank 285
20	58,992	OA O'Malley, A. James	The Dartmouth Institute for Health Policy and Clinical Practice	Health Policy & Services	Rank 154
21	59,150	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 639
22	60,500	EM El-Fadel, Mutasem	American University of Beirut	Environmental Sciences	Rank 687
23	63,331	KE Karam, Elie G.	Saint George Hospital University Medical Center	Psychiatry	Rank 1,108
24	69,152	FM Fakhoury, Marc	American University of Beirut	Neurology & Neurosurgery	Rank 3,706
25	70,765	SS Saab, Samer S.	Lebanese American University	Industrial Engineering & Automation	Rank 726
26	72,448	EM Eloubeidi, Mohamad	American University of Beirut Medical Center	Gastroenterology & Hepatology	Rank 765
27	73,554	SA Sibai, Abla Mehio	American University of Beirut	General & Internal Medicine	Rank 716
28	76,227	ML Meho, Lokman I.	American University of Beirut	Information & Library Sciences	Rank 57
29	76,593	HJ Haddad, John J.	Beirut Arab University	Biochemistry & Molecular Biology	Rank 1,510
30	77,391	AJ Assaad, Joseph J.	University of Balamand	Building & Construction	Rank 388
31	78,493	TA Tehrani-Bagha, Ali R.	American University of Beirut	Chemical Physics	Rank 1,229
32	80,001	BR Barth, Richard J.	Dartmouth-Hitchcock Medical Center	Oncology & Carcinogenesis	Rank 2,805
33	80,860	SY Sidani, Yusuf	American University of Beirut	Business & Management	Rank 1,525
34	84,111	PD Patra, Digambara	American University of Beirut	Analytical Chemistry	Rank 646
35	85,032	MB Metcalfe, Beverly Dawn	Holy Spirit University of Kaslik (USEK)	Business & Management	Rank 1,586
36	95,141	HN Hawi, Nazir S.	Notre Dame University, Lebanon	Education	Rank 812
37	96,267	GN Ghaddar, Nesreen	American University of Beirut	Energy	Rank 2,155
38	98,103	GH Gali-Muhtasib, Hala	American University of Beirut	Oncology & Carcinogenesis	Rank 3,388
39	99,899	KR Khishfe, Rola	American University of Beirut	Education	Rank 852
40	113,154	MA Mansour, Ahmad M.	American University of Beirut	Ophthalmology & Optometry	Rank 588
41	121,484	YK Yammine, Kaissar	Lebanese American University Medical Center-Rizk Hospital	Orthopedics	Rank 755
42	131,017	EH El Haj Hassan, F.	Université Libanaise	Applied Physics	Rank 3,054
43	136,088	YE Yaacoub, Elias	American University of Beirut	Networking & Telecommunications	Rank 1,565
44	139,244	AW Ammar, Walid	Ministry of Public Health, Lebanon	General & Internal Medicine	Rank 1,229
45	142,150	AM Al-Alaoui, Mohamad Adnan	American University of Beirut	Electrical & Electronic Engineering	Rank 567
46	146,816	YA Yassine, Ali	American University of Beirut	Design Practice & Management	Rank 95
47	151,037	HW Habchi, Wassim	Lebanese American University	Mechanical Engineering & Transports	Rank 1,395
48	164,451	JI Jawhar, Imad	Midcomp Research Center	Networking & Telecommunications	Rank 1,906
49	175,158	TH Tamim, Hani	American University of Beirut Medical Center	Emergency & Critical Care Medicine	Rank 543
50	178,247	TY Tawk, Youssef	American University of Beirut	Networking & Telecommunications	Rank 2,069
51	217,615	DZ Dawy, Zaher	American University of Beirut	Networking & Telecommunications	Rank 2,585
52	234,318	SP Salameh, Pascale	Université Libanaise	General & Internal Medicine	Rank 1,968
53	265,085	HM Hmadeh, Mohamad	American University of Beirut	General Chemistry	Rank 810
54	282,822	GH Greige-Gerges, Hélène	Université Libanaise	Pharmacology & Pharmacy	Rank 2,120
55	319,686	FA Fardoun, Abbas A.	Al Maaref University	Electrical & Electronic Engineering	Rank 1,427
56	384,265	EM Elkhoury, M.	Lebanese American University	Aerospace & Aeronautics	Rank 837
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Showing 1 to 56 of 56 Show

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Single-year list2020

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Explore other countries

Single-year list2020

Israel1,290 scientistsin 2020

Turkey857 scientistsin 2020

Saudi Arabia557 scientistsin 2020

United Arab Emirates178 scientistsin 2020

Qatar129 scientistsin 2020

Jordan66 scientistsin 2020

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Frequently asked questions

How many scientists from Lebanon are in the 2020 Stanford Top 2% list?

56 scientists affiliated with Lebanon are on the 2020 single-year list, and 48 are on the career-long list.

Which institute in Lebanon has the most Top 2% scientists?

On the 2020 single-year list, American University of Beirut has the most listed scientists from Lebanon, with 29. It is followed by American University of Beirut Medical Center with 5.

What is the difference between the single-year and career-long lists?

The single-year list ranks scientists on the citations their work received in one year. The career-long list ranks them on citations across their whole career. Both lists are published every year, and a scientist can be on one, both or neither.

What is the official source of this data?

The rankings come from the science-wide author databases of standardized citation indicators published by Ioannidis et al. in the Elsevier Data Repository, updated every year. TOPSCINET, an independent platform, organises that data by country, year, institute and field, so you can compare and explore it.