Lebanon's Top 2% Scientists 2024: Career-Long List

Lebanon has 78 scientists on the 2024 career-long Top 2% list, up 25.8% from 62 in 2023. That places Lebanon 57th in the world by number of listed scientists, up 4 places. American University of Beirut has the most listed scientists (45), followed by Lebanese American University (17).

Single Year

105

+33 (+45.8%) vs 2023

Career Data

+16 (+25.8%) vs 2023

World rank by count

#57

up 4 places vs 2023

Institutes

-4 (-22.2%) vs 2023

Scientists in Lebanon on the list, by year

The career-long count has grown 62% 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%

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 list2024

Show the list

All 78 scientists

Career-long list2024

Everyone on the list, free to browse.

Export CSV

Rank in Lebanon	World rank	Scientist	Institute	Sub-field	Rank in sub-field
1	2,854	BD Baleanu, Dumitru	Lebanese American University	Applied Mathematics	Rank 9
2	12,413	ZF Ziyadeh, Fuad N.	American University of Beirut	Urology & Nephrology	Rank 124
3	16,437	SM Sayegh, Mohamed H.	American University of Beirut	Immunology	Rank 591
4	18,149	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 200
5	19,916	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 270
6	25,094	BE Bouri, Elie	Lebanese American University	Finance	Rank 36
7	27,759	OC Obermeyer, Carla Makhlouf	American University of Beirut	Public Health	Rank 258
8	29,742	HJ Haddad, John J.	Beirut Arab University	Biochemistry & Molecular Biology	Rank 1,284
9	29,809	KM Khan, M. Ijaz	Lebanese American University	Mechanical Engineering & Transports	Rank 186
10	43,285	EF El-Hajj Fuleihan, Ghada	American University of Beirut	Endocrinology & Metabolism	Rank 985
11	45,799	BA Baraka, Anis	American University of Beirut	Anesthesiology	Rank 165
12	48,492	AZ Ahmed, Zahoor	Lebanese American University	Environmental Sciences	Rank 296
13	49,186	AE Akl, Elie A.	American University of Beirut	General & Internal Medicine	Rank 674
14	54,280	TA Taher, Ali T.	American University of Beirut	Immunology	Rank 1,602
15	55,504	MA Mansour, Ahmad M.	American University of Beirut	Ophthalmology & Optometry	Rank 359
16	56,263	PU Pata, Ugur Korkut	Lebanese American University	Environmental Sciences	Rank 356
17	58,160	KJ Khatib, Jamal	Beirut Arab University	Building & Construction	Rank 130
18	58,757	HM Harajli, Mohamed	American University of Beirut	Civil Engineering	Rank 100
19	64,049	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 794
20	66,052	KS Khoury, Samia Joseph	American University of Beirut	Neurology & Neurosurgery	Rank 4,443
21	66,686	GD Goodman, David C.	Geisel School of Medicine at Dartmouth	Pediatrics	Rank 349
22	67,462	BA Beydoun, Ahmad	American University of Beirut	Neurology & Neurosurgery	Rank 4,526
23	68,394	AB Atiyeh, Bishara	American University of Beirut	Surgery	Rank 589
24	72,158	SA Shihadeh, Alan	American University of Beirut	Public Health	Rank 671
25	76,156	OI Osman, Ibrahim H.	American University of Beirut	Operations Research	Rank 276
26	81,741	HH Huijer, Huda Abu Saad	University of Balamand	Nursing	Rank 138
27	92,619	BK Badr, Kamal	American University of Beirut	Urology & Nephrology	Rank 1,012
28	94,650	HP Henkind, P.	American University of Beirut	Ophthalmology & Optometry	Rank 677
29	95,970	KE Karam, Elie G.	Institute for Development, Research, Advocacy and Applied Care, Beirut	Psychiatry	Rank 1,700
30	96,977	MA Mulley, Albert G.	Dartmouth Health	General & Internal Medicine	Rank 1,223
31	99,849	ML Meho, Lokman	American University of Beirut	Information & Library Sciences	Rank 60
32	102,262	SA Sibai, Abla Mehio	American University of Beirut	General & Internal Medicine	Rank 1,291
33	102,483	GH Gali-Muhtasib, Hala	American University of Beirut	Oncology & Carcinogenesis	Rank 3,979
34	105,501	GA Ghauch, Antoine	American University of Beirut	Environmental Sciences	Rank 730
35	106,004	SM Suidan, Makram T.	American University of Beirut	Environmental Engineering	Rank 491
36	112,069	SS Saab, Samer S.	Lebanese American University	Industrial Engineering & Automation	Rank 853
37	118,735	SA Sharara, Ala I.	American University of Beirut	Gastroenterology & Hepatology	Rank 1,620
38	122,346	AG Araj, George F.	American University of Beirut	Microbiology	Rank 3,020
39	128,480	GN Ghaddar, Nesreen	American University of Beirut	Building & Construction	Rank 318
40	139,319	AJ Assaad, Joseph	University of Balamand	Building & Construction	Rank 347
41	144,707	MA Mégarbané, Andre	Lebanese American University	Genetics & Heredity	Rank 757
42	159,055	HN Hwalla, Nahla	American University of Beirut	Nutrition & Dietetics	Rank 1,051
43	170,136	Waheed, Yasir	Lebanese American University	General & Internal Medicine	Rank 2,193
44	171,697	SM Seoud, Muhieddine	American University of Beirut	Obstetrics & Reproductive Medicine	Rank 1,674
45	175,634	YK Yammine, Kaissar	Lebanese American University Medical Center-Rizk Hospital	Orthopedics	Rank 1,374
46	184,621	UI Usta, Ihab M.	American University of Beirut	Obstetrics & Reproductive Medicine	Rank 1,780
47	192,227	AA Abdel-Rahman, Abdel Fattah M.	American University of Beirut	Geology	Rank 331
48	195,041	KB Kaafarani, Bilal R.	American University of Beirut	Organic Chemistry	Rank 3,340
49	199,506	BZ Beydoun, Z. R.	American University of Beirut	Energy	Rank 2,917
50	199,676	GT Gadekallu, Thippa Reddy	Lebanese American University	Networking & Telecommunications	Rank 1,934
51	201,663	ST Sulaiman, Tukur Abdulkadir	Lebanese American University	Optoelectronics & Photonics	Rank 701
52	201,779	MM Mawad, Michel E.	Lebanese American University	Nuclear Medicine & Medical Imaging	Rank 1,914
53	204,597	UM Umar, Muhammad	Lebanese American University	Environmental Sciences	Rank 1,615
54	212,415	YG Yared, Ghassan	Malik Torossian Bldg	Dentistry	Rank 1,315
55	216,251	GK Ghali, Kamel	American University of Beirut	Building & Construction	Rank 587
56	217,900	BS BouJaoude, Saouma	American University of Beirut	Education	Rank 1,555
57	235,121	AC Abou-Rjeily, Chadi	Lebanese American University	Networking & Telecommunications	Rank 2,308
58	237,033	MM Mansour, Mohammad M.	American University of Beirut	Networking & Telecommunications	Rank 2,331
59	239,432	RK Rebeiz, Karim S.	University of Balamand	Building & Construction	Rank 670
60	241,620	AH Artail, Hassan Ali	American University of Beirut	Networking & Telecommunications	Rank 2,384
61	244,119	MS Matar, Samir F.	Lebanese German University	Inorganic & Nuclear Chemistry	Rank 1,531
62	256,611	DM Darwish, Marwan	American University of Beirut	Mechanical Engineering & Transports	Rank 1,938
63	265,664	TY Tawk, Youssef	American University of Beirut	Networking & Telecommunications	Rank 2,645
64	266,822	CR Chedid, Riad	American University of Beirut	Energy	Rank 4,065
65	283,405	HB Hamad, Bilal S.	American University of Beirut	Building & Construction	Rank 811
66	288,423	AB Abboud, Bassam	Université Libanaise	General & Internal Medicine	Rank 3,824
67	293,620	Hosseini, Kamyar	Lebanese American University	Optics	Rank 1,226
68	294,790	JI Jawhar, Imad	Al Maaref University	Networking & Telecommunications	Rank 2,962
69	325,513	HW Habchi, Wassim	Lebanese American University	Mechanical Engineering & Transports	Rank 2,485
70	327,783	AW Ammar, Walid	Université Saint-Joseph de Beyrouth	General & Internal Medicine	Rank 4,437
71	346,966	DZ Dawy, Zaher	American University of Beirut	Networking & Telecommunications	Rank 3,571
72	382,615	RM Ramadan, Mohamad	The International University of Beirut	Energy	Rank 6,412
73	386,635	SI Salti, Ibrahim	American University of Beirut	General & Internal Medicine	Rank 5,226
74	388,835	SH Safa, Haidar	American University of Beirut	Networking & Telecommunications	Rank 4,069
75	415,080	AS Adib, Salim M.	American University of Beirut	General & Internal Medicine	Rank 5,639
76	418,847	AF Abu-Khzam, Faisal N.	Lebanese American University	Artificial Intelligence & Image Processing	Rank 9,277
77	425,213	SZ Sabir, Zulqurnain	Lebanese American University	Applied Mathematics	Rank 1,022
78	564,573	KH Kanaan, Hadi	Université Saint-Joseph de Beyrouth	Electrical & Electronic Engineering	Rank 2,239
No scientists match this filter.

Showing 1 to 78 of 78 Show

Countries with a similar count

Career-long list2024

Bulgaria87 scientistsin 2024

Jordan87 scientistsin 2024

Croatia82 scientistsin 2024

Vietnam74 scientistsin 2024

Kuwait73 scientistsin 2024

Estonia70 scientistsin 2024

Explore other countries

Career-long list2024

Israel2,093 scientistsin 2024

Turkey1,172 scientistsin 2024

Saudi Arabia676 scientistsin 2024

United Arab Emirates303 scientistsin 2024

Qatar147 scientistsin 2024

Cyprus92 scientistsin 2024

All countries on the world map

Frequently asked questions

How many scientists from Lebanon are in the 2024 Stanford Top 2% list?

105 scientists affiliated with Lebanon are on the 2024 single-year list, and 78 are on the career-long list.

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

On the 2024 career-long list, American University of Beirut has the most listed scientists from Lebanon, with 45. It is followed by Lebanese American University with 17.

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 78 in 2024, a change of +62.5%.

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.