Lebanon's Top 2% Scientists 2020: Career-Long List

Lebanon has 48 scientists on the 2020 career-long Top 2% list. That places Lebanon 53rd in the world by number of listed scientists. American University of Beirut has the most listed scientists (31), followed by American University of Beirut Medical Center (5).

Single Year

First year listed

Career Data

First year listed

World rank by count

#53

First year listed

Institutes

First year listed

Scientists in Lebanon on the list, by year

Career-long list, change on the previous year

2021+22.9%

2022+5.1%

2023+0.0%

2024+25.8%

2025+17.9%

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

Career-long list2020

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All 48 scientists

Career-long 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	9,009	ZF Ziyadeh, Fuad N.	American University of Beirut	Urology & Nephrology	Rank 93
2	14,892	KF Khuri, Fadlo R.	American University of Beirut	Oncology & Carcinogenesis	Rank 720
3	15,563	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 235
4	23,916	HJ Haddad, John J.	Beirut Arab University	Biochemistry & Molecular Biology	Rank 976
5	24,696	TA Tosteson, Anna N.A.	The Dartmouth Institute for Health Policy and Clinical Practice	Orthopedics	Rank 168
6	25,563	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 216
7	26,003	EM Eloubeidi, Mohamad	American University of Beirut Medical Center	Gastroenterology & Hepatology	Rank 415
8	30,922	JD Jamali, Dima	American University of Beirut	Business & Management	Rank 274
9	33,593	OC Obermeyer, Carla Makhlouf	American University of Beirut	Public Health	Rank 324
10	38,081	BA Baraka, Anis	American University of Beirut	Anesthesiology	Rank 130
11	44,437	EF El-Hajj Fuleihan, Ghada	American University of Beirut Medical Center	Endocrinology & Metabolism	Rank 1,088
12	54,306	MA Mansour, Ahmad M.	American University of Beirut	Ophthalmology & Optometry	Rank 361
13	60,058	BA Beydoun, Ahmad	American University of Beirut Medical Center	Neurology & Neurosurgery	Rank 4,303
14	68,667	TA Taher, Ali T.	American University of Beirut Medical Center	Immunology	Rank 2,003
15	70,248	LJ Lurie, Jon D.	Dartmouth-Hitchcock Medical Center	Orthopedics	Rank 495
16	70,346	BK Badr, Kamal F.	American University of Beirut	Urology & Nephrology	Rank 836
17	72,130	OI Osman, Ibrahim H.	American University of Beirut	Operations Research	Rank 251
18	72,594	HM Harajli, M.	American University of Beirut	Civil Engineering	Rank 90
19	73,552	AH Abu-Saad Huijer, Huda	American University of Beirut	Nursing	Rank 123
20	74,334	AE Akl, Elie A.	American University of Beirut	General & Internal Medicine	Rank 644
21	74,774	AB Atiyeh, Bishara S.	American University of Beirut Medical Center	Surgery	Rank 653
22	76,486	EM El-Fadel, Mutasem	American University of Beirut	Environmental Sciences	Rank 403
23	78,468	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 893
24	80,157	OT Oxman, Thomas E.	Geisel School of Medicine at Dartmouth	Psychiatry	Rank 1,461
25	83,776	SA Shihadeh, Alan	American University of Beirut	Public Health	Rank 791
26	85,465	HP Henkind, P.	American University of Beirut	-	-
27	87,140	SM Suidan, Makram T.	American University of Beirut	Environmental Engineering	Rank 371
28	89,877	TV Tanzi, Vito L.	Hammoud Hospital	Economics	Rank 704
29	99,541	BR Barth, Richard J.	Dartmouth-Hitchcock Medical Center	Oncology & Carcinogenesis	Rank 4,104
30	112,052	SS Saab, Samer S.	Lebanese American University	Industrial Engineering & Automation	Rank 788
31	124,394	GA Ghauch, Antoine	American University of Beirut	Environmental Sciences	Rank 719
32	138,854	ML Meho, Lokman I.	American University of Beirut	Information & Library Sciences	Rank 77
33	139,594	SA Sibai, Abla Mehio	American University of Beirut	General & Internal Medicine	Rank 1,124
34	146,192	PD Patra, Digambara	American University of Beirut	Analytical Chemistry	Rank 1,196
35	147,514	GN Ghaddar, Nesreen	American University of Beirut	Energy	Rank 1,675
36	149,433	AM Al-Alaoui, Mohamad Adnan	American University of Beirut	Electrical & Electronic Engineering	Rank 417
37	150,914	YA Yassine, Ali	American University of Beirut	Design Practice & Management	Rank 82
38	232,261	AH Artail, Hassan Ali	American University of Beirut	Networking & Telecommunications	Rank 2,272
39	233,542	RK Rebeiz, Karim	Phoenicia University	Materials	Rank 3,193
40	236,622	DM Darwish, M.	American University of Beirut	Mechanical Engineering & Transports	Rank 1,504
41	238,220	MM Mansour, Mohammad M.	American University of Beirut	Networking & Telecommunications	Rank 2,344
42	241,000	CR Chedid, Riad	American University of Beirut	Energy	Rank 3,033
43	269,870	YE Yaacoub, Elias	American University of Beirut	Networking & Telecommunications	Rank 2,659
44	271,570	GK Ghali, Kamel	American University of Beirut	Energy	Rank 3,505
45	277,178	AJ Assaad, Joseph J.	University of Balamand	Building & Construction	Rank 585
46	288,115	AC Abou-Rjeily, Chadi	Lebanese American University	Networking & Telecommunications	Rank 2,852
47	348,946	PJ Palicot, Jacques	Lebanese International University	Networking & Telecommunications	Rank 3,548
48	514,829	KH Kanaan, Hadi Y.	Saint Joseph University	Electrical & Electronic Engineering	Rank 1,933
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Showing 1 to 48 of 48 Show

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Career-long list2020

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Career-long list2020

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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 career-long list, American University of Beirut has the most listed scientists from Lebanon, with 31. 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.