Core Team

Akwasi Ahmed, MD, MBA

Africa Ophthalmology Lead

Kumasi, Ghana
Imoro Zeba Braimah, MD

Ghana Ophthalmology Lead

Accra, Ghana
Naana Wireko Brobby, MD

Ghana Neonatology Lead

Kumasi, Ghana
Sadik Shereif, MD

Ethiopia Ophthalmology Lead

Addis Ababa, Ethiopia
Darius Moshfeghi, MD

Chief Medical Advisor

Palo Alto, USA
Muniratu Alhassan

Ghana ROP Program Director
Eyerusalem Haregewoyn, MD

Ethiopia ROP Program Director
Brandon Sprague

Technology Lead

Oregon, USA
Nimesh Patel, MD

Senior Research Advisor

Local Leadership

Samuel Bondzie, MD

Vitreoretinal Surgery Fellow

Accra, Ghana
Kwabena Onwona-Agyeman, MD

Neonatology Lead

Accra, Ghana
Maame Temah Appiah-Berko, MD

Vitreoretinal Surgery Fellow

Kumasi, Ghana
Emmanuel Oppong, MD

Neonatology Fellow

Kumasi, Ghana
Ida Ansing, MD

Ophthalmologist

Tamale, Ghana
Gilbert Bonsaana, MD

Ophthalmology Lead

Tamale, Ghana
Dominic Bagbio, MD

Neonatology Lead

Tamale, Ghana
Halwani Fuseini, MD

Pediatrician

Tamale, Ghana

Staff

Mary Twenboah

Photography Lead

Kumasi, Ghana
Sarah Tamaloke

Photographer

Kumasi, Ghana
Martha Boateng

Photographer

Accra, Ghana
Edith Agyeman

Photographer

Accra, Ghana
Hamida Amin

Photographer

Tamale, Ghana
Zeyneba Tuhari, BSC

Addis Ababa, Ethiopia
Melat Aredo, BSC

Addis Ababa, Ethiopia
Melese Nigussie, BSC

Addis Ababa, Ethiopia

Board of Directors

Geoff Tabin, MD

Palo Alto, USA
Scott R. Lambert, MD

Palo Alto, USA
Prithvi Mruthyunjaya, MD

Palo Alto, USA
Charlie Aaronson

Strategy Lead

Dallas, TX

Advisors

Deepa Banker, MD

Neonatology Advisor
Alay Banker, MD

Clinical Advisor

Research Team

Cindy Zhao, MD, MBA

Palo Alto, USA
Ashna Ahya, MSc

London, UK
Hanks Wallace

Salt Lake City, USA
Kate Overbey

Columbus, USA
Jessica Sedhom, MD

Palo Alto, USA
Andrew DesLauriers, MD

Palo Alto, USA
Estelle Apewokin

Columbus, USA

Founders

Arthur Brant, MD

Co-Founder, Chief Executive Officer

Boston, MA
Sarthak Shah

Co-Founder, Chief Operating Officer

Palo Alto, USA

Akwasi Ahmed, MD, MBA

Africa Ophthalmology Lead

Vitreoretinal Surgeon and CEO of Africa Eye Imaging Centre, leading all Diabetic Retinopathy and ROP screening and treatment efforts country wide in Ghana. Dr Ahmed is responsible for teaching ROP treatment techniques.
Naana Wireko Brobby, MD

Ghana Neonatology Lead

Head of Neonatal Care at Komfo Anokye Teaching Hospital. Oversees the ROP screening service.
Sadik Shereif, MD

Ethiopia Ophthalmology Lead

Dr. Sadik Taju Sherief is a pediatric ophthalmologist and national leader in childhood eye care in Ethiopia. Over the past seven years, he has led retinopathy of prematurity (ROP) screening and pediatric eye programs at major government referral hospitals, helping build local clinical capacity and sustainable services. He currently is the Chair at Menelik Hospital, where he continues to train the next generation of Ophthalmologists while expanding access to sight-saving care for children.
Darius Moshfeghi, MD

Chief Medical Advisor

Chief of the Retina Division and Professor at the Horngren Family Vitreoretinal Center, Byers Eye Institute, Department of Ophthalmology, at the Stanford University School of Medicine. He is a global leader in telemedicine for retinopathy of prematurity (ROP) and oversees the largest TeleROP screening network in the United States.
Eyerusalem Haregewoyn, MD

Ethiopia ROP Program Director

Dr Eyerusalem is a general practitioner with a background of research in retinopathy of prematurity and serves to oversee the operations of ZBB TeleROP in Ethiopia.
Brandon Sprague

Technology Lead

Brandon leads software at ZBB, developing a state-of-the-art telemedicine system. Previously, Brandon was a staff software engineer at Google and started an NGO (Silicon Ally) dedicated to providing the highest quality of software engineering to NGOs.
- Email
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Nimesh Patel, MD

Senior Research Advisor

Dr. Nimesh A. Patel is a pediatric vitreoretinal surgeon at Harvard Medical School and Director of Pediatric Retina at Boston Children’s Hospital, with a major clinical and research focus on retinopathy of prematurity (ROP). His work centers on improving ROP detection, treatment, and long-term outcomes, and he has helped lead clinical research aimed at refining and modernizing ROP screening approaches. He has published influential studies supporting evidence-based modifications to screening guidelines to better identify at-risk infants while reducing unnecessary examinations.
Kwabena Onwona-Agyeman, MD

Neonatology Lead

Head of Neonatal Care at Greater Accra Regional Hospital. Oversees the ROP screening service.
Deepa Banker, MD

Neonatology Advisor

Dr. Deepa Banker is a neonatologist and Kangaroo Mother Care (KMC) expert in Ahmedabad, serving as a Visiting Neonatologist at SVPIMER and former Professor & Head of Pediatrics at Smt. NHL Municipal Medical College / SVPIMER. She is a Master Trainer for KMC Training (TOT), faculty for advanced Neonatal Resuscitation Program (NRP), and an active member of KMC Foundation India, with award-winning contributions spanning KMC counseling and breastfeeding advocacy. Her clinical and academic interests include neonatal resuscitation, KMC, retinopathy of prematurity (ROP), neonatal nutrition, pain management, preterm massage, and breastfeeding support.
Alay Banker, MD

Clinical Advisor

Dr. Alay S. Banker, MD is a vitreoretinal surgeon based in Ahmedabad, India, and Director of Banker’s Retina Clinic & Laser Centre. He serves as Chief of Retina Services and Head of the ROP Department at the Health and Care Foundation and has led large-scale ROP initiatives, including directing the Gujarat ROP Telemedicine Project. Trained in vitreoretinal surgery and uveitis at UC San Diego and Sankara Nethralaya, he is internationally recognized for clinical leadership, research, and education in retinal disease, uveitis, and ROP.
Charlie Aaronson

Strategy Lead

Charlie leads Strategy for ZBB focusing on US operations, technology vision and opportunities to scale global impact. In addition, Charlie is Partner and Technology Director at Aevitas Property Partners and a Founding Venture Partner at Vela Partners. Prior to Aevitas and Vela, Charlie's held multiple roles at Google Cloud, Facebook, and Verily (Google X Life Sciences) in the United States and in Europe.
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Arthur Brant, MD

Co-Founder, Chief Executive Officer

Arthur led the deployment of the first diabetic retinopathy and sickle cell retinopathy screening network in West Africa (Africa Eye Imaging Center - Kumasi, Ghana) in 2023 and co-launched the first TeleROP screening center in SubSaharan Africa in 2024. Arthur attended Stanford University for undergrad (computer science), medical school, and ophthalmology residency. He also previously worked at Google as a Software Engineer for 6 years and a Clinical Researcher for 2 years. He is attending Harvard for his Vitreoretinal Surgical Fellowship.
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Sarthak Shah

Co-Founder, Chief Operating Officer

Sarthak co-launched the first TeleROP screening center in SubSaharan Africa in 2024. He has traveled to Kenya, Tanzania, Botswana, and Zimbabwe to conduct needs assessments to better understand the challenges of ROP care. His personal connection to the disease comes from his uncle, who is bilaterally blind from ROP. Sarthak is a current CIGH Global Health Research Fellow and 4th year Medical Student at Stanford.
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Zeyneba Tuhari, BSC

Zeyneba was previously a neonatal intensive care unit nurse and is now a program coordinator and pediatric retinal photographer.
Melat Aredo, BSC

Melat was previously a neonatal intensive care unit nurse and is now a program coordinator and pediatric retinal photographer.
Melese Nigussie, BSC

Melese was previously head of neonatal nursing at Abebech Gobena hospital and joins us ROP coordinator in Addis.

Core Team

Akwasi Ahmed, MD, MBA

Imoro Zeba Braimah, MD

Naana Wireko Brobby, MD

Sadik Shereif, MD

Darius Moshfeghi, MD

Muniratu Alhassan

Eyerusalem Haregewoyn, MD

Brandon Sprague

Nimesh Patel, MD

Local Leadership

Samuel Bondzie, MD

Kwabena Onwona-Agyeman, MD

Maame Temah Appiah-Berko, MD

Emmanuel Oppong, MD

Ida Ansing, MD

Gilbert Bonsaana, MD

Dominic Bagbio, MD

Halwani Fuseini, MD

Staff

Mary Twenboah

Sarah Tamaloke

Martha Boateng

Edith Agyeman

Hamida Amin

Zeyneba Tuhari, BSC

Melat Aredo, BSC

Melese Nigussie, BSC

Board of Directors

Geoff Tabin, MD

Scott R. Lambert, MD

Prithvi Mruthyunjaya, MD

Charlie Aaronson

Advisors

Deepa Banker, MD

Alay Banker, MD

Research Team

Cindy Zhao, MD, MBA

Ashna Ahya, MSc

Hanks Wallace

Kate Overbey

Jessica Sedhom, MD

Andrew DesLauriers, MD

Estelle Apewokin

Founders

Arthur Brant, MD

Sarthak Shah

Akwasi Ahmed, MD, MBA

Naana Wireko Brobby, MD

Sadik Shereif, MD

Darius Moshfeghi, MD

Eyerusalem Haregewoyn, MD

Brandon Sprague

Nimesh Patel, MD

Kwabena Onwona-Agyeman, MD

Deepa Banker, MD

Alay Banker, MD

Charlie Aaronson

Arthur Brant, MD

Sarthak Shah

Zeyneba Tuhari, BSC

Melat Aredo, BSC

Melese Nigussie, BSC