Lebanon's Top 2% Scientists 2026

Lebanon has 97 scientists on the 2026 single-year Top 2% list, down 1.0% from 98 in 2025. That places Lebanon 68th in the world by number of listed scientists, down 2 places. American University of Beirut has the most listed scientists (41), followed by Lebanese American University (18).

Single Year

-1 (-1.0%) vs 2025

Career Data

+1 (+1.1%) vs 2025

World rank by count

#68

down 2 places vs 2025

Institutes

+1 (+4.8%) vs 2025

Scientists in Lebanon on the list, by year

The single-year count has grown 73% since 2020.

Single-year list, change on the previous year

2021+19.6%

2022+6.0%

2023+1.4%

2024+45.8%

2025-6.7%

2026-1.0%

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

Single-year list2026

Show the list

All 97 scientists

Single-year list2026

Showing the 2026 single-year list. Looking for career rankings? See the career-long 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	867	BE Bouri, Elie I.	Lebanese American University	Finance	Rank 5
2	1,760	BD Baleanu, Dumitru I.	Lebanese American University	Applied Mathematics	Rank 7
3	2,108	Kirikkaleli, Dervis	Lebanese American University	Environmental Sciences	Rank 40
4	3,375	JD Jamali, Dima R.	Lebanese American University	Business & Management	Rank 109
5	6,288	KS Kadry, Seifedine Nimer	Lebanese American University	Artificial Intelligence & Image Processing	Rank 342
6	7,618	UM Umar, Muhammad	Lebanese American University	Environmental Sciences	Rank 164
7	13,736	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 376
8	18,219	KJ Khatib, Jamal M.	Beirut Arab University	Building & Construction	Rank 150
9	19,371	AG Assaker, Guy	Adnan Kassar School of Business	Sport, Leisure & Tourism	Rank 102
10	20,135	SZ sabir, Zulqurnain	Lebanese American University	Artificial Intelligence & Image Processing	Rank 1,038
11	21,210	Athari, Seyed Alireza	Holy Spirit University of Kaslik (USEK)	Economics	Rank 319
12	28,775	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 363
13	31,085	RS Rawas, Soha	Beirut Arab University	Artificial Intelligence & Image Processing	Rank 1,523
14	32,914	TA Taher, Ali T.	American University of Beirut	Immunology	Rank 601
15	33,614	AM al-Badawi, Mohammed	Holy Spirit University of Kaslik (USEK)	Languages & Linguistics	Rank 208
16	35,935	IO Itani, Omar S.	Lebanese American University	Marketing	Rank 218
17	39,671	RM Ramadan, Mohamad	Lebanese International University	Energy	Rank 1,137
18	43,255	FM Fakhoury, Marc	Lebanese American University	Neurology & Neurosurgery	Rank 1,902
19	44,034	AJ Assaad, Joseph Jean	University of Balamand	Building & Construction	Rank 379
20	49,769	el-Hajj, Mohammed Ibrahim	Arab Open University-Lebanon	Networking & Telecommunications	Rank 545
21	49,945	ML Meho, Lokman I.	American University of Beirut	Information & Library Sciences	Rank 48
22	50,343	YK Yammine, K. Cesar	Lebanese American University	Orthopedics	Rank 203
23	50,544	HM Harajlí, Mohamed H.	American University of Beirut	Civil Engineering	Rank 243
24	54,635	AB Atiyeh, Bishara Shafic	American University of Beirut	Surgery	Rank 183
25	56,502	RZ Ramadan, Zahy Bashir	Adnan Kassar School of Business	Marketing	Rank 342
26	57,664	KR Khishfe, Rola	American University of Beirut	Education	Rank 802
27	60,838	KF Khuri, Fadlo R.	American University of Beirut	Oncology & Carcinogenesis	Rank 1,838
28	63,669	EF El-Hajj Fuleihan, Ghada A.	American University of Beirut	Endocrinology & Metabolism	Rank 904
29	67,075	KE Karam, Elie Georges	Saint George Hospital University Medical Center	Psychiatry	Rank 1,076
30	67,545	KS Kanj, Souha S.	American University of Beirut	Microbiology	Rank 1,315
31	70,473	BC Brun, Cathrine	Deputy Director at the Centre for Lebanese Studies	Geography	Rank 382
32	79,169	KH Kaafarani, Haytham M.A.	American University of Beirut	Surgery	Rank 301
33	79,676	DA Dabbous, Amal	Université Saint-Joseph de Beyrouth	Business & Management	Rank 1,852
34	79,946	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 985
35	80,077	FM Farah, Maya F.	Adnan Kassar School of Business	Marketing	Rank 492
36	81,549	HN Hwalla, Nahla C.	American University of Beirut	Nutrition & Dietetics	Rank 530
37	82,401	HN Hawi, Nazir S.	Notre Dame University, Lebanon	Education	Rank 1,148
38	84,614	HS Hallit, Souheil R.	Holy Spirit University of Kaslik (USEK)	Psychiatry	Rank 1,325
39	87,315	PD Patra, Digambara	American University of Beirut	Chemical Physics	Rank 988
40	88,267	HJ Hashash, Jana G.	American University of Beirut	Gastroenterology & Hepatology	Rank 898
41	92,202	BA Bazarbachi, Ali Abdul Hamid	American University of Beirut	Immunology	Rank 1,611
42	92,625	SR Sawaya, Raymond E.	American University of Beirut	Oncology & Carcinogenesis	Rank 2,816
43	103,535	SP Salameh, Pascale R.	Université Libanaise	General & Internal Medicine	Rank 1,395
44	105,977	EF El-Jardali, Fadi	American University of Beirut	Health Policy & Services	Rank 207
45	112,959	Khaled, Mahmoud	Lebanese International University	Energy	Rank 3,502
46	113,082	MA Mehio-Sibai, Abla Mehio	American University of Beirut	General & Internal Medicine	Rank 1,528
47	116,399	AM Awad, Mariette	American University of Beirut	Artificial Intelligence & Image Processing	Rank 5,355
48	120,177	SA Shihadeh, Alan Louis	American University of Beirut	Public Health	Rank 1,213
49	121,962	Khalil, Mahmoud I.	Beirut Arab University	Polymers	Rank 1,219
50	138,059	OS Obeid, Sahar	Lebanese American University	Psychiatry	Rank 2,007
51	141,588	MA Mourad, Azzam	Lebanese American University	Networking & Telecommunications	Rank 1,667
52	143,012	OT Oweis, T. Y.	International Center for Agricultural Research in the Dry Areas Syria	Agronomy & Agriculture	Rank 1,083
53	154,426	HJ Haddad, John J.	Faculty of Medicine	Biochemistry & Molecular Biology	Rank 2,243
54	166,421	GH Gali-Muhtasib, Hala Uthman	American University of Beirut	Oncology & Carcinogenesis	Rank 5,112
55	167,553	DL Dagher, Leila	Lebanese American University	Energy	Rank 5,365
56	172,968	AA Abdel-Rahman, Abdel Fattah M.	American University of Beirut	Geology	Rank 168
57	185,148	SA Sharara, Ala’ I.	American University of Beirut	Gastroenterology & Hepatology	Rank 1,760
58	185,519	ZF Ziyadeh, Fuad N.	American University of Beirut	Urology & Nephrology	Rank 1,141
59	187,136	KS Kharroubi, Samer A.	American University of Beirut	Health Policy & Services	Rank 386
60	191,329	Hardan, Louis S.	Université Saint-Joseph de Beyrouth	Dentistry	Rank 883
61	195,318	AM Abboud, Miguel Raul	American University of Beirut	Immunology	Rank 3,223
62	204,230	ZR Zurayk, Rami A.	American University of Beirut	Agronomy & Agriculture	Rank 1,613
63	209,646	TH Tamim, Hani Mohammed	American University of Beirut	Emergency & Critical Care Medicine	Rank 594
64	209,959	EN El-Saghir, Nagi S.	American University of Beirut	Oncology & Carcinogenesis	Rank 6,538
65	212,001	GH Greige-Gerges, Hélène	Université Libanaise	Pharmacology & Pharmacy	Rank 1,694
66	215,781	SM Sfeir, Maroun M.	Saint-George Hospital Ajaltoun	Microbiology	Rank 4,135
67	219,761	AW Ammar, Walid S.	Faculté de Médecine	General & Internal Medicine	Rank 2,767
68	228,455	MM Mehanna, Mohammed Maher	Lebanese American University	Pharmacology & Pharmacy	Rank 1,865
69	230,197	AD Azar, Dany	Université Libanaise	Paleontology	Rank 598
70	230,328	ZZ Ziade Zoghbi, Nelly Raymond	Hôtel-Dieu de France Hospital	Arthritis & Rheumatology	Rank 954
71	231,587	SA Shamseddine, Ali I.	American University of Beirut	Oncology & Carcinogenesis	Rank 7,263
72	236,092	NL Nasreddine, Lara Mahmoud	American University of Beirut	Nutrition & Dietetics	Rank 1,463
73	261,729	TY Tawk, Youssef A.	American University of Beirut	Networking & Telecommunications	Rank 3,271
74	265,173	HW Habchi, Wassim F.	Lebanese American University	Mechanical Engineering & Transports	Rank 2,515
75	266,224	MA Megarbane, Andre	Lebanese American University	Genetics & Heredity	Rank 652
76	283,649	KM Khabbaz, Maurice Jose	American University of Beirut	Networking & Telecommunications	Rank 3,572
77	284,220	SS Sharafeddine, Sanaa	American University of Beirut	Networking & Telecommunications	Rank 3,578
78	284,355	BM Bariche, Michel	American University of Beirut	Marine Biology & Hydrobiology	Rank 1,517
79	285,839	MS Matar, Samir F.	Lebanese German University	Inorganic & Nuclear Chemistry	Rank 1,123
80	287,905	SH Sarieddeen, Hadi	American University of Beirut	Networking & Telecommunications	Rank 3,619
81	296,330	CJ Costantine, Joseph	American University of Beirut	Networking & Telecommunications	Rank 3,734
82	299,399	FM Fawaz, Mirna A.	Beirut Arab University	Nursing	Rank 1,035
83	306,406	AO Abbas, Ossama M.	American University of Beirut	Dermatology & Venereal Diseases	Rank 1,090
84	326,708	SS Subrahmanyam, Satya	Holy Spirit University of Kaslik (USEK)	Energy	Rank 11,004
85	334,999	JI Jawhar, Imad Hussein	Al Maaref University	Networking & Telecommunications	Rank 4,215
86	354,615	MK Mershad, Khaleel W.	Lebanese American University	Networking & Telecommunications	Rank 4,513
87	374,716	EM Elkhoury, Michel	Lebanese American University	Aerospace & Aeronautics	Rank 701
88	393,294	AH Abu-Saad, Huda Huijer	University of Balamand	Nursing	Rank 1,454
89	399,254	CS Christmann, Stefanie	International Center for Agricultural Research in the Dry Areas Syria	Agronomy & Agriculture	Rank 3,404
90	400,150	Bayda, Samer	Jinan University	Medicinal & Biomolecular Chemistry	Rank 2,255
91	418,083	HA Haile, Aynalem	International Center for Agricultural Research in the Dry Areas Syria	Dairy & Animal Science	Rank 1,483
92	420,208	MJ Mwacharo, Joram Mwashigadi	International Center for Agricultural Research in the Dry Areas Syria	Dairy & Animal Science	Rank 1,497
93	467,771	HA Hamdan, Abdul Latif H.	American University of Beirut	Otorhinolaryngology	Rank 905
94	539,666	AB Abboud, Bassam N.	Hôpital Libanais Geitaoui	General & Internal Medicine	Rank 6,107
95	562,012	SF Saleh, Fatima A.	Beirut Arab University	General & Internal Medicine	Rank 6,338
96	601,010	IR Itani, Rania Mazen	Beirut Arab University	General & Internal Medicine	Rank 6,699
97	676,048	HJ Habib, Joseph R.	American University of Beirut	Surgery	Rank 4,072
No scientists match this filter on the single-year list. Try the career-long list

Showing 1 to 97 of 97 Show

Countries with a similar count

Single-year list2026

Estonia116 scientists

Algeria101 scientists

Luxembourg98 scientists

Tunisia91 scientists

Ghana90 scientists

Kuwait88 scientists

Explore other countries

Single-year list2026

Saudi Arabia2,686 scientists

Turkey1,775 scientists

Israel1,637 scientists

United Arab Emirates805 scientists

Iraq348 scientists

Jordan312 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 single-year list, American University of Beirut has the most listed scientists from Lebanon, with 41. It is followed by Lebanese American University with 18.

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

On the single-year list, Lebanon went from 56 scientists in 2020 to 97 in 2026, a change of +73.2%.

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.