Lebanon's Top 2% Scientists 2022

Lebanon has 71 scientists on the 2022 single-year Top 2% list, up 6.0% from 67 in 2021. That places Lebanon 66th in the world by number of listed scientists, down 5 places. American University of Beirut has the most listed scientists (35), followed by American University of Beirut Medical Center (8).

Single Year

+4 (+6.0%) vs 2021

Career Data

+3 (+5.1%) vs 2021

World rank by count

#66

down 5 places vs 2021

Institutes

+4 (+25.0%) vs 2021

Scientists in Lebanon on the list, by year

The single-year count has grown 27% 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%

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 list2022

Show the list

All 71 scientists

Single-year list2022

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	3,189	BE Bouri, Elie	Adnan Kassar School of Business	Finance	Rank 13
2	9,347	AE Akl, Elie A.	American University of Beirut	General & Internal Medicine	Rank 159
3	10,077	JR Jabr, Rabih A.	American University of Beirut	Energy	Rank 191
4	25,353	KJ Khatib, Jamal	Beirut Arab University, Faculty of Engineering	Building & Construction	Rank 132
5	26,988	DA Dietrich, Arne	American University of Beirut	Experimental Psychology	Rank 392
6	28,337	FM Fakhoury, Marc	Lebanese American University	Neurology & Neurosurgery	Rank 1,642
7	34,565	OC Obermeyer, Carla Makhlouf	American University of Beirut	Public Health	Rank 352
8	38,246	ML Meho, Lokman I.	American University of Beirut	Information & Library Sciences	Rank 31
9	41,682	GA Ghauch, Antoine	American University of Beirut	Environmental Sciences	Rank 503
10	41,857	TA Taher, Ali	American University of Beirut Medical Center	Immunology	Rank 1,065
11	47,163	KE Karam, Elie G.	Saint George Hospital University Medical Center	Psychiatry	Rank 873
12	52,037	AJ Assaad, Joseph J.	University of Balamand	Building & Construction	Rank 276
13	52,632	EF El-Hajj Fuleihan, Ghada	American University of Beirut Medical Center	Endocrinology & Metabolism	Rank 933
14	52,642	SA Shihadeh, Alan	American University of Beirut	Public Health	Rank 547
15	52,964	HM Harajli, Mohamed	American University of Beirut	Civil Engineering	Rank 192
16	53,463	HN Hawi, Nazir	Notre Dame University, Lebanon	Education	Rank 460
17	65,944	ZF Ziyadeh, Fuad	American University of Beirut	Urology & Nephrology	Rank 504
18	67,595	SA Sibai, Abla M.	American University of Beirut	General & Internal Medicine	Rank 902
19	67,686	OI Osman, Ibrahim H.	Suliman S. Olayan School of Business	Operations Research	Rank 300
20	67,731	AB Atiyeh, Bishara	American University of Beirut Medical Center	Surgery	Rank 334
21	70,183	CA Chamseddine, Ali H.	American University of Beirut	Nuclear & Particle Physics	Rank 881
22	77,197	SP Salameh, Pascale	Université Libanaise	General & Internal Medicine	Rank 1,004
23	79,116	EM El-Fadel, M.	American University of Beirut	Environmental Sciences	Rank 1,037
24	85,883	SY Sidani, Yusuf	Suliman S. Olayan School of Business	Business & Management	Rank 1,518
25	93,719	EF El-Jardali, Fadi	American University of Beirut	Health Policy & Services	Rank 230
26	94,100	YK Yammine, Kaissar	Lebanese American University Medical Center-Rizk Hospital	Orthopedics	Rank 547
27	103,645	GH Gali-Muhtasib, Hala	American University of Beirut	Oncology & Carcinogenesis	Rank 3,897
28	105,090	WJ Weaver, John B.	Geisel School of Medicine at Dartmouth	Nuclear Medicine & Medical Imaging	Rank 623
29	108,932	MA Mansour, Ahmad M.	American University of Beirut	Ophthalmology & Optometry	Rank 603
30	109,643	KS Khoury, Samia	American University of Beirut Medical Center	Neurology & Neurosurgery	Rank 5,560
31	115,907	HJ Haddad, John J.	Beirut Arab University	Biochemistry & Molecular Biology	Rank 2,681
32	120,341	RD Roberts, David W.	Dartmouth-Hitchcock Medical Center	Neurology & Neurosurgery	Rank 6,100
33	125,954	HN Hwalla, Nahla	American University of Beirut	Nutrition & Dietetics	Rank 841
34	127,462	GN Ghaddar, Nesreen	American University of Beirut	Building & Construction	Rank 717
35	132,329	KV Khamis, Vivian	American University of Beirut	Education	Rank 1,245
36	134,583	KS Kanj, Souha S.	American University of Beirut Medical Center	Microbiology	Rank 3,145
37	136,796	AW Ammar, Walid	Faculté de Médecine	General & Internal Medicine	Rank 1,621
38	136,840	PD Patra, Digambara	American University of Beirut	Analytical Chemistry	Rank 960
39	138,904	YA Yassine, Ali	American University of Beirut	Design Practice & Management	Rank 83
40	143,059	BH Baytiyeh, Hoda	American University of Beirut	Education	Rank 1,351
41	146,802	BA Bazarbachi, Ali	American University of Beirut Medical Center	Immunology	Rank 3,352
42	150,761	TY Tawk, Youssef	American University of Beirut	Networking & Telecommunications	Rank 1,439
43	153,257	AA Abdel-Rahman, Abdel Fattah M.	American University of Beirut	Geology	Rank 214
44	169,512	KR Khishfe, Rola	American University of Beirut	Education	Rank 1,580
45	169,956	AM Awad, Mariette	American University of Beirut	Artificial Intelligence & Image Processing	Rank 4,497
46	170,527	RM Ramadan, Mohamad	The International University of Beirut	Energy	Rank 4,098
47	180,515	AO Abbas, Ossama	American University of Beirut Medical Center	Dermatology & Venereal Diseases	Rank 719
48	182,304	JI Jawhar, Imad	Al Maaref University	Networking & Telecommunications	Rank 1,806
49	182,389	MA Megarbane, Andre	Gilbert and Rose-Marie Chagoury School of Medicine	Genetics & Heredity	Rank 670
50	186,565	TH Tamim, Hani	American University of Beirut Medical Center	Emergency & Critical Care Medicine	Rank 623
51	220,336	KL Karam, Lina J.	Lebanese American University	Artificial Intelligence & Image Processing	Rank 5,784
52	221,069	GH Greige-Gerges, Hélène	Université Libanaise	Pharmacology & Pharmacy	Rank 1,763
53	232,454	HW Habchi, W.	Lebanese American University	Mechanical Engineering & Transports	Rank 1,977
54	234,837	HP Henkind, P.	American University of Beirut	Ophthalmology & Optometry	Rank 1,353
55	235,514	SI Saoud, Imad	American University of Beirut	Fisheries	Rank 593
56	235,705	AC Abou-Rjeily, Chadi	Lebanese American University	Networking & Telecommunications	Rank 2,391
57	253,519	KM Khabbaz, Maurice	Notre Dame University, Lebanon	Networking & Telecommunications	Rank 2,576
58	254,926	AM Al-Alaoui, Mohamad Adnan	American University of Beirut	Electrical & Electronic Engineering	Rank 999
59	270,185	AH Abu-Saad Huijer, Huda	American University of Beirut	Nursing	Rank 751
60	276,894	MA Mourad, Azzam	Lebanese American University	Networking & Telecommunications	Rank 2,891
61	302,035	SO Salman, Ola	American University of Beirut	Networking & Telecommunications	Rank 3,200
62	320,455	FW Fawaz, Wissam	Lebanese American University	Networking & Telecommunications	Rank 3,421
63	347,436	DZ Dawy, Zaher	American University of Beirut	Networking & Telecommunications	Rank 3,771
64	352,649	HS Hallit, Souheil	Holy Spirit University of Kaslik (USEK)	Psychiatry	Rank 4,649
65	401,685	MM Mansour, Mohammad M.	American University of Beirut	Networking & Telecommunications	Rank 4,469
66	413,074	EM Elkhoury, M.	Lebanese American University	Aerospace & Aeronautics	Rank 754
67	418,397	FA Fardoun, Abbas Ahmad	Al Mareef University	Electrical & Electronic Engineering	Rank 1,817
68	487,156	AB Abboud, Bassam	Université Libanaise	General & Internal Medicine	Rank 5,083
69	512,852	UJ Usta, Jinan	American University of Beirut	General & Internal Medicine	Rank 5,355
70	578,840	SI Salti, Ibrahim	American University of Beirut	General & Internal Medicine	Rank 5,969
71	578,847	AJ Antoun, Jumana	American University of Beirut	General & Internal Medicine	Rank 5,970
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Frequently asked questions

How many scientists from Lebanon are in the 2022 Stanford Top 2% list?

71 scientists affiliated with Lebanon are on the 2022 single-year list, and 62 are on the career-long list.

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

On the 2022 single-year list, American University of Beirut has the most listed scientists from Lebanon, with 35. It is followed by American University of Beirut Medical Center with 8.

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 71 in 2022, a change of +26.8%.

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.