Lebanon's Top 2% Scientists 2026: Career-Long List

Lebanon has 93 scientists on the 2026 career-long Top 2% list, up 1.1% from 92 in 2025. That places Lebanon 61st in the world by number of listed scientists, down 2 places. American University of Beirut has the most listed scientists (55), followed by Lebanese American University (15).

Single Year

-1 (-1.0%) vs 2025

Career Data

+1 (+1.1%) vs 2025

World rank by count

#61

down 2 places vs 2025

Institutes

+1 (+6.7%) vs 2025

Scientists in Lebanon on the list, by year

The career-long count has grown 94% since 2020.

Career-long list, change on the previous year

2021+22.9%

2022+5.1%

2023+0.0%

2024+25.8%

2025+17.9%

2026+1.1%

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%
2026	97	-1.0%	93	+1.1%

Top 10 institutes in Lebanon

By number of listed scientists

Career-long list2026

Show the list

All 93 scientists

Career-long list2026

Showing the 2026 career-long list. Looking for single-year rankings? See the single-year list

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	2,188	BD Baleanu, Dumitru I.	Lebanese American University	Applied Mathematics	Rank 8
2	11,758	BE Bouri, Elie I.	Lebanese American University	Finance	Rank 21
3	14,925	ZF Ziyadeh, Fuad N.	American University of Beirut	Urology & Nephrology	Rank 145
4	15,078	JD Jamali, Dima R.	Lebanese American University	Business & Management	Rank 156
5	16,649	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 196
6	16,844	KF Khuri, Fadlo R.	American University of Beirut	Oncology & Carcinogenesis	Rank 726
7	17,571	SR Sawaya, Raymond E.	American University of Beirut	Oncology & Carcinogenesis	Rank 762
8	19,343	SM Sayegh, Mohamed H.	American University of Beirut	Immunology	Rank 657
9	22,647	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 295
10	34,037	HJ Haddad, John J.	Faculty of Medicine	Biochemistry & Molecular Biology	Rank 1,325
11	36,094	Kirikkaleli, Dervis	Lebanese American University	Environmental Sciences	Rank 259
12	42,264	EF El-Hajj Fuleihan, Ghada A.	American University of Beirut	Endocrinology & Metabolism	Rank 945
13	47,069	KJ Khatib, Jamal M.	Beirut Arab University	Building & Construction	Rank 117
14	49,266	TA Taher, Ali T.	American University of Beirut	Immunology	Rank 1,423
15	50,289	BA Baraka, Anis Shehata	American University of Beirut	Anesthesiology	Rank 172
16	53,763	KS Kadry, Seifedine Nimer	Lebanese American University	Artificial Intelligence & Image Processing	Rank 1,230
17	59,132	HM Harajlí, Mohamed H.	American University of Beirut	Civil Engineering	Rank 123
18	63,454	AB Atiyeh, Bishara Shafic	American University of Beirut	Surgery	Rank 522
19	63,663	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 785
20	72,357	KS Khoury, Samia J.	American University of Beirut	Neurology & Neurosurgery	Rank 4,677
21	73,342	BA Beydoun, Ahmad A.	American University of Beirut	Neurology & Neurosurgery	Rank 4,723
22	74,176	SA Shihadeh, Alan Louis	American University of Beirut	Public Health	Rank 702
23	81,421	OI Osman, Ibrahim H.	Suliman S. Olayan School of Business	Operations Research	Rank 301
24	88,492	AH Abu-Saad, Huda Huijer	University of Balamand	Nursing	Rank 162
25	91,049	KE Karam, Elie Georges	Saint George Hospital University Medical Center	Psychiatry	Rank 1,610
26	92,197	MA Mehio-Sibai, Abla Mehio	American University of Beirut	General & Internal Medicine	Rank 1,135
27	92,580	ML Meho, Lokman I.	American University of Beirut	Information & Library Sciences	Rank 58
28	102,963	GH Gali-Muhtasib, Hala Uthman	American University of Beirut	Oncology & Carcinogenesis	Rank 3,942
29	103,773	PD Patra, Digambara	American University of Beirut	Chemical Physics	Rank 1,867
30	103,906	SS Saab, Samer S.	Lebanese American University	Industrial Engineering & Automation	Rank 816
31	105,143	HP Henkind, Paul	American University of Beirut	Ophthalmology & Optometry	Rank 749
32	106,220	BK Badr, Kamal F.	American University of Beirut	Urology & Nephrology	Rank 1,110
33	110,087	GN Ghaddar, Nesreen K.	American University of Beirut	Building & Construction	Rank 320
34	111,284	GA Ghauch, Antoine	American University of Beirut	Environmental Sciences	Rank 904
35	113,233	AJ Assaad, Joseph Jean	University of Balamand	Building & Construction	Rank 336
36	114,372	SA Sharara, Ala’ I.	American University of Beirut	Gastroenterology & Hepatology	Rank 1,540
37	120,035	UM Umar, Muhammad	Lebanese American University	Environmental Sciences	Rank 981
38	121,396	SM Suidan, Makram T.	American University of Beirut	Environmental Engineering	Rank 602
39	123,357	AG Araj, George F.	American University of Beirut	Microbiology	Rank 3,044
40	126,960	BA Bazarbachi, Ali Abdul Hamid	American University of Beirut	Immunology	Rank 3,257
41	132,385	YK Yammine, K. Cesar	Lebanese American University	Orthopedics	Rank 971
42	137,803	KH Kaafarani, Haytham M.A.	American University of Beirut	Surgery	Rank 1,160
43	143,743	HN Hwalla, Nahla C.	American University of Beirut	Nutrition & Dietetics	Rank 973
44	148,295	MA Megarbane, Andre	Lebanese American University	Genetics & Heredity	Rank 725
45	158,983	SZ sabir, Zulqurnain	Lebanese American University	Artificial Intelligence & Image Processing	Rank 3,621
46	160,801	OT Oweis, T. Y.	International Center for Agricultural Research in the Dry Areas Syria	Agronomy & Agriculture	Rank 912
47	165,119	EF El-Jardali, Fadi	American University of Beirut	Health Policy & Services	Rank 443
48	168,520	SP Salameh, Pascale R.	Université Libanaise	General & Internal Medicine	Rank 2,157
49	177,999	IY Illouz, Yves Gérard	American University of Beirut	Surgery	Rank 1,561
50	186,194	KZ Kanafani, Zeina A.	American University of Beirut	Microbiology	Rank 4,424
51	186,643	AA Abdel-Rahman, Abdel Fattah M.	American University of Beirut	Geology	Rank 303
52	188,837	GK Ghali, Kamel Abou	American University of Beirut	Building & Construction	Rank 599
53	188,853	Khalil, Mahmoud I.	Beirut Arab University	Polymers	Rank 1,697
54	192,694	AM Al-Alaoui, Mohamad Adnan	American University of Beirut	Electrical & Electronic Engineering	Rank 604
55	201,449	UI Usta, Ihab M.	American University of Beirut	Obstetrics & Reproductive Medicine	Rank 1,897
56	204,467	KR Khishfe, Rola	American University of Beirut	Education	Rank 1,663
57	205,574	KB Kaafarani, Bilal R.	American University of Beirut	Organic Chemistry	Rank 3,439
58	210,879	BZ Beydoun, Ziad Rafiq	American University of Beirut	Energy	Rank 3,391
59	212,019	DG Dbaibo, Ghassan S.	American University of Beirut	Microbiology	Rank 5,000
60	214,862	BS Boujaoude, Saouma B.	American University of Beirut	Education	Rank 1,758
61	218,686	SK Singh, Kharag B.	International Center for Agricultural Research in the Dry Areas Syria	Plant Biology & Botany	Rank 3,250
62	225,247	AC Abou-Rjeily, Chadi	Lebanese American University	Networking & Telecommunications	Rank 2,240
63	225,602	YG Yared, Ghassan M.	Université Saint-Joseph de Beyrouth	Dentistry	Rank 1,389
64	229,280	MS Matar, Samir F.	Lebanese German University	Inorganic & Nuclear Chemistry	Rank 1,336
65	229,478	RM Ramadan, Mohamad	Lebanese International University	Energy	Rank 3,741
66	233,621	MM Mansour, Mohammad M.	American University of Beirut	Networking & Telecommunications	Rank 2,328
67	246,618	RK Rebeiz, Karim S.	University of Balamand	Building & Construction	Rank 819
68	247,117	HN Hawi, Nazir S.	Notre Dame University, Lebanon	Education	Rank 2,097
69	248,384	TY Tawk, Youssef A.	American University of Beirut	Networking & Telecommunications	Rank 2,498
70	250,678	ZR Zurayk, Rami A.	American University of Beirut	Agronomy & Agriculture	Rank 1,517
71	250,805	GI Ghanem, Ismat B.	Faculté de Médecine	Orthopedics	Rank 1,984
72	251,064	KV Khamis, Vivian	American University of Beirut	Education	Rank 2,146
73	252,897	EH El Haj Hassan, Fouad	Al Maaref University	Applied Physics	Rank 6,674
74	257,636	HB Hamad, Bilal S.	American University of Beirut	Building & Construction	Rank 868
75	257,670	MM Massoud, May A.	American University of Beirut	Environmental Sciences	Rank 2,449
76	260,501	DM Darwish, Marwan S.	American University of Beirut	Mechanical Engineering & Transports	Rank 1,982
77	288,174	AM Awad, Mariette	American University of Beirut	Artificial Intelligence & Image Processing	Rank 6,898
78	288,420	AC Abdallah, Chaouki Tanios	Lebanese American University	Industrial Engineering & Automation	Rank 2,285
79	288,705	GJ Ghafari, Joseph George	American University of Beirut	Dentistry	Rank 1,858
80	289,463	JI Jawhar, Imad Hussein	Al Maaref University	Networking & Telecommunications	Rank 2,950
81	298,312	CR Chedid, Riad B.	American University of Beirut	Energy	Rank 5,192
82	305,827	HW Habchi, Wassim F.	Lebanese American University	Mechanical Engineering & Transports	Rank 2,352
83	308,064	AB Abboud, Bassam N.	Hôpital Libanais Geitaoui	General & Internal Medicine	Rank 4,064
84	315,759	AW Ammar, Walid S.	Faculté de Médecine	General & Internal Medicine	Rank 4,161
85	318,363	KB Kurdahi Badr, Lina	American University of Beirut	Nursing	Rank 1,194
86	375,510	DZ Dawy, Zaher M.	American University of Beirut	Networking & Telecommunications	Rank 3,928
87	399,960	AF Abu-Khzam, Faisal N.	Lebanese American University	Artificial Intelligence & Image Processing	Rank 10,040
88	422,234	SI Salti, Ibrahim S.	American University of Beirut	General & Internal Medicine	Rank 5,634
89	461,658	AS Adib, Salim M.	American University of Beirut	General & Internal Medicine	Rank 6,166
90	507,154	Khaled, Mahmoud	Lebanese International University	Energy	Rank 9,830
91	547,663	EM Elkhoury, Michel	Lebanese American University	Aerospace & Aeronautics	Rank 1,269
92	588,553	KH Kanaan, Hadi Y.	Université Saint-Joseph de Beyrouth	Electrical & Electronic Engineering	Rank 2,368
93	633,158	FA Fardoun, Abbas Ahmad	Al Maaref University	Electrical & Electronic Engineering	Rank 2,573
No scientists match this filter on the career-long list. Try the single-year list

Showing 1 to 93 of 93 Show

Countries with a similar count

Career-long list2026

Bangladesh105 scientists

Bulgaria102 scientists

Explore other countries

Career-long list2026

Israel2,293 scientists

Turkey1,479 scientists

Saudi Arabia1,071 scientists

United Arab Emirates470 scientists

Qatar197 scientists

Jordan128 scientists

All countries on the world map

Frequently asked questions

How many scientists from Lebanon are in the 2026 Stanford Top 2% list?

97 scientists affiliated with Lebanon are on the 2026 single-year list, and 93 are on the career-long list.

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

On the 2026 career-long list, American University of Beirut has the most listed scientists from Lebanon, with 55. It is followed by Lebanese American University with 15.

How has the number of Top 2% scientists in Lebanon changed since 2020?

On the career-long list, Lebanon went from 48 scientists in 2020 to 93 in 2026, a change of +93.8%.

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.