Nexleaf Analytics @Nexleaf
Partnering with countries to ensure they have the data they need to build lasting solutions that improve the health of people. https://t.co/kS9E6Cf0xN nexleaf.org Los Angeles Joined May 2012-
Tweets2K
-
Followers1K
-
Following1K
-
Likes3K
Nexleaf's ColdTrace solution helps Ministries of Health manage everything they need to maintain a successful, high-functioning vaccine cold chain. Check out our latest Product Updates: mailchi.mp/9c26793726c0/n…
🤝 Productive meeting between Dr. Musa Khan, DG FDI @EPIPakistan and Shaji Abbas Malik, Country Manager @Nexleaf on strengthening vaccine transport monitoring across Pakistan. Discussions focused on addressing iSC gaps and piloting innovative solutions to ensure vaccine safety.
The world's most critical health and humanitarian organizations can't afford downtime—and neither can the systems that power them. That’s why we're proud to unveil our latest Impact Cohort: eight healthcare and crisis response nonprofits using PagerDuty to supercharge their life-saving work with AI and automation. @CareMessage, @CrisisTextLine, @MercyCorps, @SIRUMorg, @Nexleaf, @TrekMedics, #VectorControlInnovations and @WCKitchen are leading the charge in improving global health outcomes. See how they're scaling impact with our support ➡️ bit.ly/4cCowl0
In January 2023, Tanzania set out on an ambitious mission to reach and protect under-immunised children. Between then and May 2024, the country reached 54% of children identified as zero-dose and built out a plan to reach the remainder by the end 2024. Here’s how Tanzania has emerged a frontrunner in child immunisation Post-Covid. bit.ly/47Q3luo
86M children. $5B in vaccines protected. PJMF partner Nexleaf Analytics connects 31,000+ health facilities across 47 countries to life-saving medical equipment through community-centered technology. Learn more: nexleaf.org/our-2025-impac…
Data doesn't fix equipment. People do. By empowering nurses and facility managers, Rwanda is making sure every vaccine refrigerator has on-site support. #WorldHealthWorkerWeek #WHWweek #Rwanda #DigitalTransformation
It's #WorldHealthWorkerWeek, and we're highlighting the people who keep healthcare running by ensuring medical equipment stays functional. #WHWweek #VaccinesWork #EPI #Malawi #GlobalHealth #DigitalHealth
Data from Nexleaf's ColdTrace always belongs to the country implementing our solution. In Pakistan, data from ColdTrace is one component of an already data-rich immunization system. #WorldHealthWorkerWeek #WHWweek
Biomedical Engineers repair, manage and maintain all of the medical equipment in their district. Nexleaf's ColdTrace is a purpose-built, customizable digital platform that helps frontline health workers keep lifesaving equipment running. #WorldHealthWorkerWeek #WHWweek
This World Health Worker Week, we're celebrating the "hidden" healthcare workers who keep lifesaving equipment functional and ready. #worldhealthworkerweek #vaccineswork
Nexleaf's #DigitalHealth solution protects vaccines for 1 in 6 babies born worldwide. How do we scale? Learn our "country ownership" approach in @SSIReview! Scale That Lasts ➡️ ssir.org/articles/entry… #SocialImpact #TechForGood #Tanzania #CountriesLead #GlobalHealth #AIForGood
Our latest ColdTrace product release features new tools for health workers who protect medical equipment, like: 🚀 QR Codes for Equipment Management! A simpler, more reliable way to manage equipment in the field. More here: mailchi.mp/ddc722fbabd6/n… #vaccineswork #digitalhealth
🚀 Nexleaf Community Page - Now Live! The new Community Page in our Training Hub makes it easy to connect, share knowledge, and learn together. more -> mailchi.mp/e952c78ac2ce/n… #healthTech
Thanks to @gchallenges' Rahul Chandran, @Nexleaf’s @NithyaRamanath1 and @Zenysis’ @jstambolis for participating in a panel discussion on accelerating the next chapter of innovation. 👏
Our Nexleaf Product Webinar was a huge success, bringing together health workers from around the world to learn more about using Nexleaf tools to improve equipment management & performance. Follow us to learn about the next one!
We're hours away from unveiling the latest innovative updates to our technology, and you’re invited to be among the first to see it! Date: Wednesday, 4th June 2025 Time: 2:00 PM CAT | 3:00 PM EAT | 5:00PM PKT | 5:30PM IST Register ➡️ docs.google.com/forms/d/e/1FAI…
REMINDER: Join Nexleaf's Product Team for our June 4th webinar! You're invited to a special live session to discover how our latest technology is transforming equipment management across Africa and Asia. Register here - docs.google.com/forms/d/e/1FAI…
We are excited to announce the release of our all-in-one Digital Training Module and Revamped Homepage! Check out these highlights and more in Nexleaf's latest Product Update: mailchi.mp/d6d7de0c19bc/n…
Our CEO & Co-Founder Nithya Ramanathan will be joining this panel discussion!
Join us for Ep 5 of the #AfricaIndiaGlobalDialogue Series: "Building Resilient Health Systems: Global Health Diplomacy in Action", co-hosted by @CSEP_Org & @NEPAD_Agency on May 30, 2025. Don’t miss insights from leading experts on Africa-India health cooperation! #Africa #India
Join Nexleaf for a live webinar showcasing how our latest tool is helping health teams across Africa and Asia track, manage, and protect equipment more easily than ever. Wednesday, June 4 at 3pm East African Time Save your spot: forms.gle/1dK4hMQNMj
Sustainable Energy fo... @SEforALLorg
70K Followers 2K Following SEforALL works in partnership with the @UN and world leaders to drive faster action towards #SDG7 in line with the Paris Agreement. CEO: @DamilolaSDG7
Power for All @Power4All2025
28K Followers 3K Following A coalition of 300+ organizations campaigning to ensure that everyone on the planet has reliable electricity before 2030. Join us! #EndEnergyPovertyFaster #SDG7
JSI | Better health &... @JSIhealth
25K Followers 3K Following JSI is a global nonprofit dedicated to improving lives through better health and education outcomes for individuals and communities.
Modern Energy Cooking... @UKMECS
4K Followers 800 Following Accelerating access to clean, electric cooking on a global scale. #CleanCooking #eCooking #RenewableEnergy #Renewables #SDGs #SDG7
Gavi, the Vaccine All... @gavi
200K Followers 2K Following Gavi, the Vaccine Alliance, helps vaccinate half the world’s children against deadly and debilitating diseases. French posts @gavi_fr #ForOurFuture
inSupply Health @inSupplyHealth
2K Followers 942 Following inSupply Health, an affiliate of @JSIHealth, is an independent, supply chain advisory firm based in East Africa
Nithya Ramanathan @NithyaRamanath1
789 Followers 357 Following CEO & Co-Founder of @Nexleaf. @TEDFellow. @Tallberg Eliasson Global Leader. Advocate for data decolonization and country-led health solutions.
Clean Cooking Allianc... @cleancooking
19K Followers 3K Following Working with a global network of partners to make #CleanCooking accessible to the 2.1 billion people who live without it.
Fast Forward @FfwdOrg
4K Followers 1K Following Fast Forward supports nonprofits building tech for humanity with funding, resources, and partnerships to drive social impact.
Luc Severi @lucseveri
2K Followers 946 Following Program Manager #PoweringHealthcare w/ @SEforALLorg ; #SDG7 #energyaccess #HumanitarianEnergy expert ; @LSE_ID alum ; opinions my own ; RTs not endorsements
Digital Square @DigitalSQR
3K Followers 737 Following Advancing digitally enabled health services to help close the health equity gap. Led by @PATHtweets. Funding from @USAID, @gatesfoundation, and other partners.
Living Goods @Living_Goods
8K Followers 3K Following Delivering Data-Driven Health Care, Door-to-Door. Media Contact: [email protected]
Eric L. Wright @ericwrightsoc
385 Followers 822 Following Data Scientist and Research Consultant. Sociologist of politics & religion by training (PhD from @IUBloomington). he/him
borland @borlandexpert
254 Followers 3K Following
Francis Xavier Ssemuy... @SsemuyabaXavier
1K Followers 695 Following Biomedical Engineer IVD. Digital Health | Scholar.
RKSAHU @ROHIKUMA
47 Followers 963 Following Pune, Maharashtra, India based development management expert https://t.co/ZQi7qnmFPr
Foster Twum Ampofo @ampofo92647
44 Followers 912 Following
K.M Mbuvi @KMbuvi40015
13 Followers 618 Following Biomedical Engineer | Hospital Equipment Management | Improving Healthcare Technology in Kenya
ida rob @ida_rob
265 Followers 834 Following Don't talk, ACT. Don't say, DO. Don't promise, PROVE. Views own.
WandererOliviaClark @B0vPu4101s7NAo
19 Followers 1K Following The future belongs to those who hustle.
UK Mission Geneva �... @UKMissionGeneva
21K Followers 7K Following Official feed of the UK at the @WTO, @UN & other International Organisations in Geneva. Follow Ambassadors @KumarIyerUK, @ESandersFCDO, @RileyFO & @FCDOGovUK
HISP Rwanda @HispRwanda
1K Followers 3K Following We Deliver Innovative Digital Solutions in Health, Agriculture, Environment and Education that Enhance Data-Driven Decision Making to achieve impactful results.
Sienna Leffler @SiennaL99031
65 Followers 4K Following
Mohamed RIKI @mohamedriki
279 Followers 682 Following Pretending to be geek, trying to be entrepreneur and for sure a happy Dad !
SIGNALYTIC @signalytic
110 Followers 227 Following An innovative e-health platform improving access to medicines in low-resource environments. Powered by Wendepunkt Medical Innovations Inc.
Murara Elijah @ElijahMurara
2 Followers 70 Following
Deogratias RUTEBUKA @DrutebukaD
365 Followers 6K Following Data Systems & Digital Health Expert | MEAL Specialist | Data-Driven Decision Making | AI & Analytics
Yogesh Dwivedi @YogeshD94290411
0 Followers 52 Following
Will Humphreys @WillThings
4K Followers 1K Following I do Will Things. - Building a Global Health network in the world's most remote locations. Deployed in 10+ locations. Thousands soon. [email protected]
Ansou Daff @DaffAnsou63940
2 Followers 74 Following
Richard Tandoh 🇬�... @richardtandoh
455 Followers 4K Following Passionate about the economic development of Africa, music and cake
BIOCOOR @biocoor
526 Followers 709 Following BIOCOOR is a local NGO created mainly by young people dedicated to advocate for biodiversity conservation and community health.
Ralph Mutonyi @RalfMutonyi
97 Followers 310 Following ⚕️ Technology & Healthcare innovations | I love basketball 🏀
Sofia A. Adam @SofiaAbdy
185 Followers 1K Following Medical doctor | Digital health | Public health|Research
TechChange @TechChange
16K Followers 3K Following We offer an innovative technology platform and a world-class supporting team to meet the training and convening needs of organizations in the digital age.
Onyimbi @tucci_nelson
1K Followers 1K Following -📚| 🏀| 🏊🏾♂️ | Contributor @fprhknowledge | Storyteller, Renaissance Photographer, & African | Backpacker |
DHIS2 @dhis_2
3K Followers 265 Following DHIS2 is a free, open-source, web-based platform used by over 80 countries to manage data on health, education, logistics, climate, and more.
Ritu Devi @RituDevi16386
0 Followers 3 Following
Spittebl @SpitteblSPCRiE
15 Followers 606 Following
Tanathos @cessare580
49 Followers 2K Following
Kasigazi Moses @KasigaziM
21 Followers 2 Following
Dave Kihianyu @devkihianyu
585 Followers 2K Following Humanitarian Health worker,father,husband & Entrepreneur
Summi Afzal @S1988Afzal
216 Followers 610 Following Every saint has a past and every sinner has a future. Oscar Wilde | Lawyer & Humanitarian | 🇨🇦🇬🇧🇸🇦🇵🇰 #AbsolutelyNot
Omon_john @City_OOJ
3K Followers 7K Following Love God❤️ | Liverpool fan | Data Analyst | Chess player |
RPSA/AEPHAR @RPSARwanda
4K Followers 606 Following Official X account of Rwanda Pharmaceutical Students' Association-Proud host of #AfPS2015, @WHSS2017 and @IPSFWC2019. Award winning Association.
Anurag mishra @Anuragmish77861
0 Followers 5 Following
JHUB Africa @JHUBAfrica
316 Followers 248 Following JHUB Africa is a digital innovation hub, strategically focused on the development of technological innovations and digital solutions.
Laetitia Christine (S... @c__laetitia
450 Followers 3K Following | I climb | hike | do math | handle lots of data | travel.
burak öztürk @burakozturk85
145 Followers 7K Following
Welead Mentor Point C... @SDGsNow
169 Followers 617 Following Youth Think tank mentored to transform Africa through workforce development in fostering better Quality of Life through Health, Education and Development.
ImmuHubs @ImmuHubs
468 Followers 2K Following #ImmuHubs ("Innovative Immunisation Hubs") is a European Consortium funded by @EU_HadEA to improve access to #immunisation in the #EU, lead by @_VaccineSafety
Asha kamenge @kamenge_asha
0 Followers 43 Following
SunnyHue @SunnyHue95808
63 Followers 5K Following
Sustainable Energy fo... @SEforALLorg
70K Followers 2K Following SEforALL works in partnership with the @UN and world leaders to drive faster action towards #SDG7 in line with the Paris Agreement. CEO: @DamilolaSDG7
Power for All @Power4All2025
28K Followers 3K Following A coalition of 300+ organizations campaigning to ensure that everyone on the planet has reliable electricity before 2030. Join us! #EndEnergyPovertyFaster #SDG7
JSI | Better health &... @JSIhealth
25K Followers 3K Following JSI is a global nonprofit dedicated to improving lives through better health and education outcomes for individuals and communities.
NextBillion @NextBillion
99K Followers 11K Following NextBillion is a publication of the William Davidson Institute at the University of Michigan, covering business solutions to global development challenges.
CHU4UHC @Chu4Uhc
760 Followers 122 Following Partnership between various local organisations & Johnson & Johnson to develop & implement an integrated Community Health platform for Universal Health Coverage
Modern Energy Cooking... @UKMECS
4K Followers 800 Following Accelerating access to clean, electric cooking on a global scale. #CleanCooking #eCooking #RenewableEnergy #Renewables #SDGs #SDG7
Gavi, the Vaccine All... @gavi
200K Followers 2K Following Gavi, the Vaccine Alliance, helps vaccinate half the world’s children against deadly and debilitating diseases. French posts @gavi_fr #ForOurFuture
The Rockefeller Found... @RockefellerFdn
323K Followers 4K Following Our mission—unchanged since 1913—is to promote the well-being of humanity throughout the world. We are legally independent from other Rockefeller entities.
inSupply Health @inSupplyHealth
2K Followers 942 Following inSupply Health, an affiliate of @JSIHealth, is an independent, supply chain advisory firm based in East AfricaStanford Social Innov... @SSIReview
132K Followers 1K Following Informing and inspiring leaders of social change. Follow us on other social media: https://t.co/oSs3nDpJ2R | https://t.co/t3zEftJFVY | https://t.co/MaFYymYmSU
Nithya Ramanathan @NithyaRamanath1
789 Followers 357 Following CEO & Co-Founder of @Nexleaf. @TEDFellow. @Tallberg Eliasson Global Leader. Advocate for data decolonization and country-led health solutions.
Clean Cooking Allianc... @cleancooking
19K Followers 3K Following Working with a global network of partners to make #CleanCooking accessible to the 2.1 billion people who live without it.
Fast Forward @FfwdOrg
4K Followers 1K Following Fast Forward supports nonprofits building tech for humanity with funding, resources, and partnerships to drive social impact.
World Economic Forum @wef
4.3M Followers 977 Following The international organization for public private cooperation. #wef26
Luc Severi @lucseveri
2K Followers 946 Following Program Manager #PoweringHealthcare w/ @SEforALLorg ; #SDG7 #energyaccess #HumanitarianEnergy expert ; @LSE_ID alum ; opinions my own ; RTs not endorsements
Digital Square @DigitalSQR
3K Followers 737 Following Advancing digitally enabled health services to help close the health equity gap. Led by @PATHtweets. Funding from @USAID, @gatesfoundation, and other partners.
Living Goods @Living_Goods
8K Followers 3K Following Delivering Data-Driven Health Care, Door-to-Door. Media Contact: [email protected]
Seth Berkley @DrSethBerkley
86K Followers 242 Following Medical doctor specializing in inf. dis. epidemiology & global health. Former CEO of @Gavi & @IAVI. Co-Founder of @COVAX. Author of the book ‘Fair Doses’
Schmidt Futures @SchmidtFutures
13K Followers 92 Following Supporting projects at the intersection of talent and technology.
HISP Rwanda @HispRwanda
1K Followers 3K Following We Deliver Innovative Digital Solutions in Health, Agriculture, Environment and Education that Enhance Data-Driven Decision Making to achieve impactful results.
Frontline Health Work... @FHWCoalition
9K Followers 2K Following The Frontline Health Workers Coalition is urging greater and more strategic US and multilateral investments in frontline health workers around the world.
Reid Hoffman @reidhoffman
890K Followers 692 Following Co-Founder, LinkedIn. Investor. MSFT Board Member. Building an LLM to discover cures for cancer: @manas_co. Most importantly: Proud American.
Pivotal @pivotaldotcom
19K Followers 324 Following Founded by @MelindaGates, Pivotal is a group of organizations working to accelerate the pace of social progress.
PLOS Global Public He... @PLOSGPH
11K Followers 18 Following An #OpenAccess journal of public health research that broadens the range of global perspectives we learn from to advance the health of all humankind
DHIS2 @dhis_2
3K Followers 265 Following DHIS2 is a free, open-source, web-based platform used by over 80 countries to manage data on health, education, logistics, climate, and more.
Immunization Economic... @immeconomics
8K Followers 247 Following We are a resource for the global immunization economics community. Find us on LinkedIn: https://t.co/yncnRpbZkQ. Our X account is no longer being monitored.
Dr Sania Nishtar @SaniaNishtar
1.1M Followers 179 Following CEO @Gavi, Former Spl Assistant of the Prime Minister on Poverty Alleviation, Federal Minister, and Senator, Pakistan. Global health advocate.
National Vaccines & I... @VaccinesKenya
3K Followers 104 Following We ensure that all eligible populations receive safe, quality vaccines. #VaccinateToProtect #VaccinesSaveLives
World Vaccine Congres... @vaccinenation
4K Followers 963 Following The World Vaccine Congress is the largest, most established meeting dedicated to vaccines. #WVCDC #WVCEU
District Health Offic... @DhoIslamabad
13K Followers 130 Following Official Handle of the District Health Officer, Ministry of NHSR&C, Islamabad.
Federal Directorate o... @EPIPakistan
4K Followers 253 Following Official Twitter account of the Federal Directorate of Immunization in Pakistan.
Dr. Jane Ruth Aceng O... @JaneRuth_Aceng
555K Followers 207 Following Wife.Mother. Grandmother. Paediatrician. Government Chief Whip, Woman MP, Lira City. Retweets are not endorsements. Views expressed are my own.
Ministry of Health- U... @MinofHealthUG
725K Followers 461 Following The Official Twitter Account of Ministry of Health Uganda. All information posted and viewed on this page is subject to Ministry of Health User Policy.
African Collaborative @African_Collab
2K Followers 325 Following Formerly African Visionary Fund, African Collaborative powers local solutions for lasting change, investing in African-led orgs w/ critical, multi-year funding.
Wizara ya Afya Tanzan... @wizara_afyatz
243K Followers 141 Following Ukurasa Rasmi wa Wizara ya Afya Tanzania. Ukurasa huu unaendeshwa na Kitengo cha Mawasiliano Serikalini - AFYA
Good Tech @GoodTechFest
3K Followers 130 Following Good Tech is a learning community for people seeking to apply research, data, and analytics in the social sector.
Dr Mansukh Mandaviya @mansukhmandviya
685K Followers 788 Following #GreenMP Porbandar | Minister of Labour and Employment; Youth Affairs and Sports, GoI | Doctorate in Political Science | @OfficeOf_MM
Dr.Bharati Pravin Paw... @DrBharatippawar
35K Followers 55 Following Former Union MoS for Health & Family Welfare and Tribal Affairs
G20 United States @g20org
646K Followers 35 Following The official account of the U.S. G20 presidency.
VVDN Technologies @vvdn_tech
3K Followers 21 Following Global Provider of Software, Product Engineering, Electronics Manufacturing Services and Solutions
WHO African Region @WHOAFRO
336K Followers 811 Following Official Twitter (X) account for the World Health Organization Regional Office for Africa - WHO/AFRO
GiveDirectly💸 @GiveDirectly
34K Followers 5K Following Send money to people living in poverty, no strings attached. In Bangladesh, DRC, Kenya, Liberia, Malawi, Mozambique, Rwanda, Uganda, & U.S. currently.
Gates Foundation Afri... @GatesAfrica
32K Followers 2K Following The official account for the @GatesFoundation's Africa team. Let's talk about development, health, and opportunity on the African continent.
UNICEF Malawi @UNICEFMalawi
50K Followers 1K Following We work with our partners to ensure that all girls and boys in Malawi, especially the most disadvantaged, realize their rights.
UNICEF Moçambique @UNICEF_Moz
38K Followers 298 Following Pelas crianças de Moçambique 💙 Defendemos os direitos da criança, promovemos educação, saúde e proteção. Faz parte da mudança! #ParaCadaCriança
Malawi Government🇲... @MalawiGovt
123K Followers 47 Following #Malawi Government Twitter Feed | https://t.co/j0LmVVKLIm…
Lighting Global @lightingafrica
9K Followers 819 Following Empowering Lives & Energizing Markets: A World Bank #ESMAP initiative to rapidly increase access to #OffGridSolar for those living without electricity.
World Health Summit @WorldHealthSmt
21K Followers 2K Following 📍 World Health Summit 2026, October 11-13 🌍 From Crisis to Resilience: Innovating for Health #WHS2026
Amref Health Africa i... @Amref_Kenya
56K Followers 5K Following We believe that health is a basic human right. Everything we do ensures lasting health change for all. FB: https://t.co/29Sj8yAGK2
Africa Public Health ... @AfricaPHF
2K Followers 271 Following An independent foundation created to mobilize philanthropic support to advance the @AfricaCDC life-saving work.
Naroa Zurutuza @naroanaiz
243 Followers 295 Following
Future Africa Forum @FutureAfriForum
2K Followers 161 Following A platform for thought leadership that partners with organizations to build a better Africa. A subsidiary of @FutureAfriGroup
Women In Global Healt... @womeninGH
63K Followers 3K Following Challenging #Power & #Privilege for #GenderEquity in health | #GenderTransformativeLeadership | #womeningh | #HealthToo | #GenderEqualHCW | #SheShapes |
The Audacious Project @TheAudaciousPrj
21K Followers 222 Following A new model for inspiring global change. Housed at @TEDTalks. Let's change the way we change the world. https://t.co/UJm2YP4BF2
African Union @_AfricanUnion
1.1M Followers 333 Following Official account of the African Union Commission. For an integrated, Prosperous and Peaceful Africa
Moussa Faki Mahamat @AUC_MoussaFaki
429K Followers 130 Following Special Envoy for Pact for People, Planet, and Prosperity (4P).
UCSAF-Tanzania @UcsafT
1K Followers 14 Following Universal Communications Service Access Fund ( UCSAF)was established to facilitate access to communication services. For more information call 0800110700
christopher fabian @chrisfabian
11K Followers 895 Following Co-founded and co-leads Giga (w UNICEF + ITU) (built: UNICEF crypto fund, venture fund, innovation unit) can’t see faces #prosopagnosia
Global Digital Inclus... @GDInclusion
2K Followers 446 Following Meaningful connectivity for the global majority. Stay connected and find GDIP on LinkedIn, BlueSky and other platforms: @gdinclusion.bsky.social
Giga @Gigaglobal
7K Followers 683 Following Giga | A UNICEF-ITU global initiative to connect every school to the internet and every young person to information, opportunity, and choice.
Ministry of National ... @nhsrcofficial
265K Followers 100 Following Official account of Ministry of National Health Services, Regulations and Coordination, Government of Pakistan.
NTSA KENYA @ntsa_kenya
754K Followers 4K Following The official X handle for the National Transport and Safety Authority, a State Corporation whose mission is to Keep Our Roads Safe.
Dr. Rose Jalang'o @rosejalango
234 Followers 851 Following Medical Doctor | Vaccines | Immunisation | Public Health
MissJAyora @jillayora
33 Followers 80 Following
The GFF @theGFF
15K Followers 2K Following The Global Financing Facility for Women, Children & Adolescents helps countries transform how they #InvestInHealth + nutrition. Tweets = EN/FR.
Muhammad Ali Pate @muhammadpate
29K Followers 656 Following Coordinating Minister of Health & Social Welfare, Federal Republic of Nigeria, formerly Julio Frenk Professor of Public Health Leadership Harvard T.H. Chan Sch.














