Meet our team

Toby is Simprints’ CEO and one of our co-founders. He’s passionate about using cutting-edge technology to solve challenges in global health and international development.

Toby has ten years of experience with international field projects, operations management, and non-profit work. He’s been recognised as a Forbes 30 Under 30 Social Entrepreneur, TechCrunch: Best Tech Leader and Schwab Social Entrepreneur of the Year.

Alexandra is our Chief Product Officer and one of our co-founders. She led the creation of Vero – our market-leading hardware and the first of its kind created for the international development sector.

She’s leading our team of engineers to develop machine learning-based biometric recognition models and exploring the application of cutting-edge research in privacy-preserving biometrics.

Alexandra is a Gates Scholar who won the Women Who Tech Award in 2017, was listed in the Top 50 Movers and Shakers in BioBusiness the same year and is an Elevate Prize winner.

Tristram is our Chief Technology Officer and one of our co-founders. He designed and created SimprintsID – our groundbreaking app, the world’s first open-source digital ID platform with privacy at its core.

Tristram leads our technical strategy and heads the team’s security and infrastructure. He led the creation of SimAFIS, our Android-first fingerprint algorithm, and most of our internal systems.

Tristram has a decade of software experience, and he’s been recognised as a Forbes 30 Under 30 Social Entrepreneur and won the TechCrunch: Best Tech: Changing Children’s Lives For Good Award.

Tara is our Chief People and Culture Officer. She led the implementation of a four-day workweek at Simprints, improving retention and employee satisfaction, particularly regarding work-life balance.

Simprints has won several prestigious awards under Tara’s leadership: #39 in Newsweek’s Top 100 Global Most Loved Workplaces, Top 100 of Flexa’s most flexible workplaces, and top placements on UK Great Place to Work lists, including special categories for Wellbeing, Non-profits and Workplaces for Women.

Tara was named a Flexa Pioneer in 2023.

Stephen is the Chief Delivery Officer at Simprints. He joined us from World Vision, where he was Head of Office for Syria and Turkey.

Stephen has experience with other NGOs, including as Country Director with Action Against Hunger in Pakistan and as Syria Response Director with Oxfam. He’s worked in several countries, such as the Democratic Republic of Congo, Nigeria, Bangladesh, Uganda, Mozambique, and Mali.

Steve has experienced directly how real-time, verified, and quality data is essential for delivering impact.

Eje is our Director of Partnerships. She has over 15 years of experience in business development and strategy from the private, education and international development sectors. 

Eje has experience of impact investing and multi-million income generation with Pearson, World Vision and the University of Oxford. 

Chris is the Director of Engineering at Simprints. He is a highly determined and motivational leader who derives satisfaction from solving problems and enabling teams to progress toward strategic objectives and achieving goals.

With over 18 years of experience in the software development industry, Chris brings a highly technical background to his role. Recently awarded an Executive MBA with distinction from Warwick Business School, he applies a data-driven and logical approach to decision-making and problem-solving, ensuring efficient and effective outcomes.

Leah is our Director of Solutions Delivery and helps ensure our projects are designed, built, and optimised to deliver impact while continuously innovating.

She joined us from Viamo bringing over 13 years of experience in evidence-based strategy and scaling for programmes and products in the development sector.

Kiyo is our Director of Finance and is responsible for overseeing accounting operations, financial planning and analysis, reporting, compliance, and financial strategy.

Before joining Simprints, Kiyo worked in private equity and banking where he specialised in healthcare and real estate lending.

Seasoned informatics professional specializing in resource-constrained contexts. DHIS 2 Senior Solutions Architect with extensive experience leading the deployment of DHIS2 for various ministries of health and international NGOs.

Recent research includes the development applications of ID systems and other applications of digital technology including payments, the economic development challenges of Sub-Saharan Africa and the special development challenges of resource-rich countries. Previously director of development policy at the World Bank, chief economist for the bank’s Africa region and staff director for the 1996 World Development Report “From Plan to Market”.

Amos Doornbos specialises in change management for humanitarian aid organisations and social enterprises, especially around the use of technology and building staff capacity. Focused on enabling individuals to have more control over and access to their data and wrestling with issues like consent, ethics, and rights.

Andrew is the co-founder, and CEO of Peek Vision Ltd and The Peek Vision Foundation. He’s an ophthalmologist with research experience in over 20 countries, including Kenya, where he led major eye disease studies and developed early versions of smartphone-based eye health systems. He’s been recognised as one of the world’s most influential people in public health, published numerous articles, and is a fellow of several esteemed organisations.

Araya Abrha Medhanyie specialises in reproductive health, maternal, neonatal, child, and adolescent health (RMNCAH), digital health, and health systems. Member of the research advisory council for RMNCAH of the Federal Ministry of Health, Ethiopia.

Bobby Jefferson specialises in information and communications technology for development (ICT4D). Serves as Board advisor for health technology startups THINKMD, ClickMedix, CodePartners, DataElevates, and Covelocity Health.

Chanda brings 20+ years of entrepreneurial experience leading engineering and product teams, with a strong focus on emerging trends and new technologies. Chanda has shaped her leadership experience working with diverse cross-functional teams in fail-fast startup environments, bringing a deep understanding of iterative SDLC processes.

Board member of Electronics Technology Network and the Centre for Global Equality. Founding Director of Iceni Mobile Ltd, Aptivate, and Heligon. Builder of industry-leading teams in technology and international development.

Erica is a public health professional experienced in leading system transformations through the integration of digital technology into health systems in low- and middle-income countries, resulting in more equitable and accessible quality healthcare delivery. She’s recognised as an inspiring leader, changing the face of global health innovation, and is part of the World Health Organization’s roster of experts in digital health.

Jaideep specialises in international business, marketing, strategy and innovation. Co-author of the Economist Books bestseller, Frugal Innovation: How to Do More with Less.

Jon is a social entrepreneur, innovator, and dynamic leader with extensive mobile technology expertise in both low-income and high-income settings. As Co-founder and CEO of Dimagi, Jonathan has overseen the growth of the company from the founding team to over 100 employees worldwide that operate programs in over 50 countries.

Jonathan holds both a bachelor’s and a master’s degree in Electrical Engineering and Computer Science from MIT.  Jonathan is a visiting scientist at Brigham and Women’s Hospital Decision Systems Group and a lecturer at the Harvard-MIT Division of Health Sciences and Technology.

JL was responsible for the Finance & Strategy Business Partnering team and provided financial and strategic guidance at Salesforce. JL has previously held several finance leadership roles at Hyperion Solutions, including Director of Finance in São Paulo and Senior Director, EMEA Finance. He also founded and ran a consulting company for six years, specialising in accounting, administrative and finance services.

In addition to being on the Advisory Board at Simprints, JL sits on the Boards of numerous Salesforce investments and holds an MBA from the University of São Paulo.

Kaosar specialises in reproductive, maternal, neonatal, child and adolescent health, and nutrition and health system strengthening.

Ken is a National Geographic Emerging Explorer, PopTech Fellow, Tech Awards Laureate, Ashoka Fellow, and is internationally recognised for his technology-based work. He is the author of The Rise of the Reluctant Innovator.

Kentaro Toyama is the author of Geek Heresy: Rescuing Social Change from the Cult of Technology. He specialises in information and communication technologies and development. Kentaro was previously a Researcher at UC Berkeley and Founding Managing Director of Microsoft Research India.

Laurie is an accomplished leader who enjoys helping entrepreneurs scale by identifying growth capital, developing strategy and implementing operational models. She has experience working with entrepreneurs to hire, train, and manage diverse teams to achieve high performance.

Lizz is an expert at forging British-funded partnerships with African government leaders. She was formerly COO of Iqarus and Shaw Trust, and CEO/President of UnitedHealth International.

Lynda is a seasoned evaluator and knowledge broker with extensive experience collaborating with diverse not-for-profit organizations, foundations, and international aid agencies worldwide. Dr. Rey specialised in global health (reproductive, maternal, neonatal, child and adolescent health & health system strengthening), water, sanitation and hygiene, and social innovation.

As Director of Marketing and Communications at Omidyar Network, Maura led external relations and thought leadership for initiatives on financial inclusion, property rights, and impact investing. At GMMB, she worked with clients to promote inclusive economic growth, sustainable development, and global health, with a focus on female empowerment.

Earlier, Maura contributed to programmes promoting economic and political development, gender equity, and international affairs at the United Nations Development Programme, United Nations Foundation, and National Democratic Institute.

Na’im was previously the Director of Policy and Partnerships at Last Mile Health. He’s passionate about disruptive innovations that make the world a better place.

Nexleaf Analytics is a non-profit company partnering with governments in Africa and Asia to provide data-driven solutions for improved health outcomes. NexLeaf’s unique approach combines sensor technology, data analysis, and user engagement to tackle big problems. By working closely with Ministries of Health, Nithya’s team has achieved significant impact by scaling cutting-edge technologies that protect vaccines for 1 in 10 babies born each year.

Olasupo currently serves as Project Director for ICT4Health. He previously held the post of Country Director for the ICT4SOML project, supporting the FMoH & FMCT of the Government of Nigeria to develop a Health ICT Framework for the country.

Rebecca practices Internal Medicine at Brigham and Women’s Hospital.  As a Senior Institute Associate at Harvard Business School she develops new strategies to deliver value based healthcare. She spearheads a global network connecting health professionals from 140+ countries with vital evidence and expertise.

Rebecca is a graduate of Yale University and Stanford University School of Medicine and completed her medical training at Brigham and Women’s Hospital.

Sam is a leader in health informatics and health information systems in low- and middle-income countries.

Stephanie has shaped the vision and experience solutions for a diverse set of Fortune 500 brands including Nike, BMW Mini, and PepsiCo. Her work has featured in over 50 publications and she’s received prestigious accolades from The One Show, the UX Awards, BIMA, Cannes Lions, and the AIGA.

Vinod specialises in streamlining processes for maximum efficiency, developing a diverse workforce, and ensuring that individuals and teams are positioned for success by accessing resources needed to achieve and maintain peak performance. He has extensive previous experience working with Oxfam and Catholic Relief Services.