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The Nivi Team

Our mission is to help every person achieve their own aspirations for health. Our team brings together experts in healthcare business models & financing, product design & technology, behavioral science, and data.


Ajay Rafalia (he/him/his)

Senior Backend Engineer (Jeavio)

Ajay has 10+ years of experience in web application development with NodeJs, ExpressJs, Meteor js, Vue, SQL, MongoDB, .net. He has worked on small to large scale projects and teams in different domains including E-Commerce (B2B , B2C, C2C), Shared Services, Agile - SCRUM, Telecom, Spectrum Sharing, property management, etc. He likes to work from requirement gathering, analyses, development to delivery. ​

Why Nivi: “Nivi provides a chance to do challenging work in different and modern technologies."

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Anne Nyanchoka (she/her/hers)

Global Consumer Growth Manager

Anne is a Marketing expert with a communications degree from The University of Nairobi, Marketing certification from The Chartered Institute of Marketing, UK and certification from Facebook and Google. Anne has over 6 years experience in using digital and other marketing strategies for brand equity and user growth for startups and scale-ups. She specializes in rapid testing and creative strategies for growth. At Nivi, Anne supports and advises Nivi’s customers and partners to build successful marketing strategies as well as helps build Nivi’s product askNivi to be a powerful health marketing tool for customers.

Why Nivi: “I am passionate about using technology to make life easier and beautiful through better health.”

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Ben Bellows, PhD (he/him/his)

Co-founder, Chief Business Officer

Dr. Ben Bellows is co-founder and Chief Business Officer at Nivi, a behavior change digital health company empowering individuals with actionable information. Charities, for-profits, and public agencies use Nivi’s platform to optimize engagement with their key audiences. Ben previously was a health researcher at the Population Council in the Nairobi, Lusaka, and Washington DC offices, conducting studies of performance-based financing, reproductive health vouchers, and community health policies with government and non-state partners in sub-Saharan Africa and Southeast Asia. His lifelong work covers user-facing information technologies, human rights, and reproductive health. Ben has published nearly 50 peer reviewed manuscripts and holds a PhD in epidemiology (’09) from the University of California, Berkeley.

Why Nivi: “I am thrilled by the notion of accelerating just and equitable access to high quality healthcare for all.”


Christine Kenanda

Marketing Associate

My journey to marketing started through blogging thereafter working for advertising agencies on award-winning campaigns as a social media manager. I’m passionate about digital media and brand storytelling as brands get to form a connection with their audiences.

Why Nivi: “A generation that is able to make their own choices in regards to their sexual and reproductive is an empowered generation and I love that Nivi is enabling young people to be proactive in their health choices.”

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Daniel Momoh (he/him/his)

Customer Growth Lead

Daniel Momoh is an entrepreneur and digital marketing professional with a degree in Computer Science and Information Technology from Kogi State University, Nigeria. He has 13 years of experience in new media reporting, digital marketing, and business development supporting a wide range of organizations. Daniel currently coordinates demand generation strategies at Nivi as well as relational communication management with Nivi partners.

Why Nivi: "Every activity at Nivi is geared towards improving the quality of health and wellbeing globally, it's a thrilling experience to be part of a life-saving team."

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David Tresner-Kirsch (he/him/his)

Chief Technology Officer

David has developed healthcare informatics solutions at the CMS Alliance to Modernize Healthcare (MITRE), and researched dialect-accented speech recognition at the Center for Language and Speech Processing (Johns Hopkins University). He has designed and taught graduate courses on machine translation at Brandeis University and built web applications in a variety of contexts. His work on healthcare informatics has been published in the Journal of the American Medical Informatics Association (JAMIA), the Journal of the American Geriatrics Society (JAGS), and Database. David holds degrees in Computer Science (BA, Lehigh University) and Computational Linguistics (MA, Brandeis University).

Why Nivi: “I've lived the experience of health outcomes determined by patient knowledge, and I believe increasing patient health knowledge and reducing barriers to finding care is essential in a world where access to professional care is scarce for everyone - some more than others given inequities, privileges, and biases, but actually everyone.”

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Eric Green, PhD (he/him/his)

Co-founder, Chief Scientist

Eric graduated from the University of South Carolina with a PhD in Clinical Psychology (’08) and Master’s degrees in International Studies (’06) and Psychology (’04). After completing post-doctoral training at the Bellevue/NYU Program for Survivors of Torture, he worked as an Associate at the Population Council before joining the faculty at Duke University’s Global Health Institute where he teaches courses on research methods and data science. As a behavioral scientist with an interest in digital health and data science, Eric leads Nivi’s work to better understand our users and apply principles of behavior change to Nivi products.


Why Nivi: “I co-founded Nivi because I believe that we can build digital products that help people live happier, healthier lives.”


Libin Samkutty (he/him/his)

Associate QA Engineer (Jeavio)

Libin is an Associate QA Engineer with areas of focus in API testing and Non-Functional testing including Performance and Security testing. Apart from that, Libin has a good command in SQL and MongoDB for database level validations as well.

Why Nivi: “Nivi provides me an opportunity to grow and enhance my skills in various aspects of Quality Assurance, and provides me satisfaction of providing high impact and quality deliverables in the field of healthcare.”


Malay Matwankar (he/him/his)

Senior Backend Engineer (Jeavio)

Malay has 6+ years of experience in web application development with NodeJs, ExpressJs, React, Redux, SQL, MongoDB, Redis. He strongly believes in following basic constructs of a robust product building by leveraging Object Oriented Programming, Functional Programming, TDD, SOLID Principles, and relevant design patterns. He has successfully designed an architecture for a medium scaled Social Media Application and many more using microservices as well as monolithic architecture.

Why Nivi: "Nivi brings up different challenges considering its domain and the direct placement in general public, the architecture design for such products is interesting to say the least the perfect kind of challenge for me."


Mitkumar Patel (he/him/his)

Frontend Developer (Jeavio)

Mitkumar is a web developer with 1.5 years of experience in front-end and responsive website design. He is proficient in HTML, CSS, JavaScript, and modern libraries and frameworks like React, Angular, and Vue. He likes to spend his extra time designing UI, and solving complex problems.

Why Nivi: “Nivi has allowed me to work in various technologies and data analytics which is one of my favourite things. We have a team that is very experienced, passionate, and productive which always inspires me to learn new things.”


Prashant Kumbhat (he/him/his)

Senior Global Product Manager

Prashant is passionate about using technology to solve complex business problems. He has a background in consulting, web development and CRM implementation. He has an MBA from Babson and degrees in IT and accounting. At Nivi, he looks forward to working on new solutions that empower individuals to take control of their own health. 

Why Nivi: “I'm excited to be part of Nivi because it has the potential to affect real change that can have a lasting micro and macro level impact.”


Priyanka Agarwal (she/her/hers)

QA Engineer (Jeavio)

Priyanka is a QA Engineer with vast experience in testing and validation of different products. She has a proven track record of quality delivery in the financial and healthcare domains.

Why Nivi: “I am passionate about Quality Assurance and testing. Apart from Technology, healthcare services is another area of interest. Working with Nivi helped me to follow both passions simultaneously. It gives me an opportunity to contribute for the betterment of society by building life-changing products.”


Rebecca Melaku (she/her/hers)

Senior Content Writer

Rebecca holds a B.S. in Biology and a B.A. in Global Health from Duke University (‘22). Complementing her STEM background are 3 years of experience in academic writing consulting where she applied her expertise in cross-cultural and multidisciplinary communication with 150+ writers. In a global context, Rebecca has pursued her commitment to supporting community-driven change to improve health outcomes through her in-person work with the Women’s Institute for Secondary Education and Research in Migori County, Kenya. At Nivi, Rebecca develops culturally relevant and research-informed chatbot content ranging from antenatal support to communicable disease education.


Why Nivi: “I believe that trust, empathy, and effective communication are the keys to building meaningful relationships. askNivi does exactly that at every step of the user’s health journey: from providing a safe space to explore sensitive health topics at their fingertips to connecting them to avenues of care in their locality.”


Roopal Shah (she/her/hers)

Engineering Manager (Jeavio)

Roopal is an engineering leader with a deep understanding of backend technologies and databases.


Why Nivi: “I have enjoyed my work with the Nivi team. The team works together and are always willing to help each other. Everyone in the global Nivi team participates in discussions and seeks suggestions or ideas to work together to solve complex problems.”

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Siddhartha Goyal (he/him/his)

Co-founder, CEO

Sidd is an engineer with Bachelors and Masters Degrees in Computer Science from MIT. He brings to Nivi experience in leveraging mobile devices for transforming both enterprise and consumer markets, by empowering individuals with the information they need to make informed decisions. He has had multiple successful exits from companies he has co-founded, including Assured Labor, a mobile job marketplace for low wage labor in Latin America, served as CTO of the world's first link shortener, TinyURL, and prior to Nivi was an Entrepreneur-in-Residence for an early stage venture fund, Invested Development, where he spent significant time working in Kenya and India (Nivi's first markets). As CEO of Nivi, he has leveraged these experiences to bring together the best in technology, distribution, and business models and built a diverse team of talented individuals to create a new model of self-care for the billion plus consumers in emerging markets who lack access to quality care.

Why Nivi: “I believe that everyone has the ability to achieve their own aspirations and given the right environment and chances can do so. I founded Nivi to create that enabling environment and give each individual the opportunity to take control of their own health.”

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