As CEO, Steve directs Gradian’s business and strategic development, applying years of industry experience in medical technology to the field of global surgery. He has grown Gradian from a private research project to an international presence in safe surgery and leads a team expanding operations in more than 25 countries worldwide.

Steve has worked in medical technology since 1984, including CEO and executive positions in marketing, sales, and business development. He has founded and led start-ups from conception through venture financing, acquisition, and IPO. He is also a co-inventor on 10 US and international patents.

Steve holds an MBA from the Stanford Graduate School of Business and a BA from the Johns Hopkins University.

As Chief Operating Officer, Lina drives Gradian’s work in existing and new country markets, building local distribution networks, managing product sales, and overseeing training activities.

Lina’s career spans the global health and financial sectors. She spent several years working in JP Morgan Chase’s nonprofit/healthcare group and more recently consulted for several companies in the fields of diagnostics and maternal health, specifically focused on products designed for low-resource settings.

Lina has an MBA from the MIT Sloan School of Management and a BA in Journalism and Mass Communications from New York University.

David leads Gradian’s after-sales operations across our markets, overseeing maintenance, service, and evaluation of our products in the field. Drawing on insights from this work, he also supports business development and distributor management in Gradian’s more mature markets.

Prior to Gradian, David spent 10 years in global public health, with a focus on research design, program management, and monitoring and evaluation. Most recently, he consulted for multinational pharmaceutical companies to support maternal health and non-communicable disease initiatives in Asia, Latin America, sub-Saharan Africa, and the Middle East.

David has lived and worked in both India and Tanzania. He holds an MPH from Columbia University’s Mailman School of Public Health and a BA in Global Studies from the University of California, Los Angeles (UCLA).

Adam leads programs and partnerships for Gradian, bringing together governments, NGOs, international donors, local businesses, and our network of partners to scale our technology and training in sub-Saharan Africa. Adam also directs the company's external communications and advocacy efforts.

Adam joined Gradian after five years in global health consulting, working with organizations such as USAID, the Bill & Melinda Gates Foundation and Merck for Mothers, along with several social enterprises. His work has focused primarily on developing communications strategies, advocacy campaigns, and thought leadership platforms in the area of maternal health.

Adam is also a freelance writer and researcher covering global health and social justice. His work has been featured in the Washington Post, Guardian, VICE and other news outlets. He holds a BA in English from Washington & Lee University.

As part of Gradian's Market Strategy team, Riti oversees distributor management in existing and new markets, for which she leads growth, training, and after-sales customer service in markets across East and West Africa.

Riti's prior experience spans strategy consulting, impact investing, and social enterprise. She spent several years with the Monitor Group in India and was a member of the Monitor Inclusive Markets practice during her stint there. While in business school, she worked on sourcing, due diligence, and deal execution as part of the healthcare portfolio team at Acumen. Most recently, she worked with the Emerging Markets team at BioLite, where her responsibilities included market strategy and scaling operations in East Africa.

Riti holds an MBA from the Wharton School, University of Pennsylvania, an M.A. in Economics from the University of Cambridge, and a B.A. in Economics from Delhi University.

As Technical Services Manager based in Nairobi, Kenya, Kenneth manages Gradian’s field service needs across the African continent. In this role, he works closely with Gradian’s network of biomedical technicians and engineers to support them with product training, service responses, and the technical understanding of Gradian’s products.

Prior to joining Gradian, Kenneth spent 11 years at Joint Medical Stores (JMS), a medical device distribution company in Kampala, Uganda, as their senior biomedical service engineer. Through JMS’s work distributing Gradian’s UAM, Kenneth became one of the world’s experts on the installation, maintenance, and servicing of the UAM and now brings that expertise to all of Gradian’s customers.

Kenneth holds a higher diploma in biomedical engineering and a certificate in anesthesia and x-ray equipment from the Mombasa Polytechnic University College in Kenya.

Cullen serves as Gradian’s in-house technical lead, overseeing our products' development, marketing, and technical support from factory to facility.

Before joining the Gradian team, Cullen worked to develop a number of novel medical devices and procedures, both in academia and in industry. He also has experience in international development, having helped start a hardware company in Ghana that creates food-processing tools for female entrepreneurs.

Cullen holds a BS in Mechanical Engineering from Olin College of Engineering.

As Gradian’s Training and Evaluation Manager, Hannah ensures that Gradian’s work is responsive to feedback from the field—and that both our operations and impact are measured effectively. By figuring out the most appropriate questions to ask our trainers, technicians, and users, and then what’s needed to get the answers, Hannah helps Gradian continually learn from what we’ve done in the past and adapt to the needs of the populations we serve.

Hannah has been working in global health for nearly a decade, pursuing a lifelong desire to close the gap in access to healthcare. Before coming to Gradian, she spent eight years living in Tanzania implementing data-driven programs related to sustainable development and displacement. She helped run several community health awareness projects, and led a team at Civicus to develop on online capacity building program for data collection.

Hannah received a B.A. in Public Health and African Studies from NYU. She graduated with her Master’s in Public Health from Tulane, where she studied program design and implementation specializing in HIV/AIDS.

Ibrahim manages Gradian’s broad portfolio of activities in Tanzania, including customer service, training, and monitoring and evaluation. As Gradian’s lead in-country staff member, he works closely to cultivate relationships with Gradian’s key stakeholders.

Ibrahim brings nearly a decade of experience working in multi-stakeholder engagement and operations. Before joining Gradian he worked on project development with the UN Global Program office in Tanzania and Geneva, Switzerland. Through his earlier work with the International Development Consultancy, Ibrahim worked with policymakers, community leaders and federal ministries to implement various development programs in Tanzania.

In 2016 Ibrahim was selected to be a member of the “Next Generation of Global Leaders” by Japan’s Cabinet Office (Ministry of Foreign Affairs).

Ibrahim holds a bachelor’s degree in Sociology from the University of Dodoma and a Postgraduate diploma in Management of Foreign Relations and Diplomacy from the Centre for Foreign Relations in Dar es Salaam.

Luz works with Gradian’s finance team, responsible for timely payments, invoicing and reconciliations. As office manager, she also keeps our office running smoothly and stocked to make sure the team can keep working effectively.

Luz has over 10 years’ experience in finance and operations. Most recently, she served as the Finance Operations Manager for Housing Works in NYC, where she managed AP and AR. She has also consulted on organizational management for the National Latina Institute for Reproductive Health, the Coro New York Leadership Center, and others. Luz holds a Master’s degree in Nonprofit Management from the New School’s Milano School for International Affairs, Management, & Urban Policy and a BA in Film Studies & English from Queens College.

Kerubo handles all of Gradian’s shipping and procurement. In her role, she ensures that our products, spare parts, training materials and more get to where they’re going quickly and safely.

Kerubo comes to Gradian from a background in logistics and international development. Most recently, she worked as the logistics associate at Global Address Me, where she revamped inventory reporting and provided customer service. Prior to that, she consulted to the Office of the President of Botswana on their Poverty Eradication Program and proposed amendments for future iterations of the program. Kerubo holds a BA in International Relations from the University of Pennsylvania.