Our Team

Who We Are

Our team is based all over the world, and brings global perspectives forged in academia, technology, philanthropy, and the social impact sector.

Sara Defibaugh

Communications Manager

data.org

Sara Defibaugh serves as Communications Manager for data.org. In this role, Sara provides strategic social media marketing, events management, and communications guidance and support for data.org and partner organizations in data science for social impact.

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Stephanie Earl

Finance and Contracts Manager

data.org

Stephanie Earl is the Finance and Contracts Manager at data.org. She brings over a decade of experience in nonprofit management and accounting with a special interest in implementing responsive financial management and planning systems.

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Gigi Ghanim

Chief of Staff

data.org

Gigi Ghanim is the Operations Manager at data.org where she oversees systems, planning, reporting and financial management for the organization.

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Hugo Gruson, Ph.D.

Senior Research Software Engineer, Epiverse

data.org

Hugo Gruson is the Senior Research Software Engineer for Epiverse. His role is to provide technical support and infrastructure for project partners and ensure that project outputs match the gold standard in software development. After his Ph.D. in Evolutionary Biology developing tools to measure and analyze animal coloration, Hugo was…

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Nieve Heskin is the Partnerships Coordinator for data.org. Nieve has devoted her career towards the overarching goal of doing as much good as possible and has engaged with varied initiatives such as projects working to end sexual violence, support minority rights, guarantee abortion access, and safeguard animal welfare.

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Priyank Hirani

Associate Director, Capacity Accelerator Network (CAN)

data.org

Priyank Hirani is the Associate Director for the Capacity Accelerator Network (CAN) at data.org, where he strategizes and implements initiatives to democratize data skills and enable social impact organizations to be data-driven.

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Joanne Jan

Project Manager, Strategic Partnerships

data.org

Joanne Jan is the Project Manager of Strategic Partnerships at data.org. In this role, she collaborates with key stakeholders to strengthen social impact organizations’ capacity to use data. Joanne began her career tutoring and mentoring middle school students as an AmeriCorps member with City Year Boston. She then pivoted to…

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Avinash Laddha

Senior Data Analyst

data.org

Avinash Laddha is the Senior Data Analyst at data.org, supporting the various initiatives and product team in deriving value and insights from data.

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David Mascarina

Senior Manager, Content Design

data.org

David Mascarina is the Senior Manager of Content Design for data.org where he is responsible for developing and stewarding a content and design strategy for the data.org platform, and bringing creative ideas for envisioning, creating, and managing the development of content.

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Danil Mikhailov, Ph.D. is the Executive Director of data.org. He has over 20 years of experience setting up multiple start-ups and leading work across a range of diverse sectors, always investigating and innovating in the space where technology, culture, and society converge.

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Uyi Stewart, Ph.D.

Chief Data and Technology Officer

data.org

Dr. Uyi Stewart is the Chief Data and Technology at data.org. Uyi provides senior technical leadership in all aspects of data.org’s work, with a particular focus on our programmatic initiatives which today include the Inclusive Growth and Recovery Challenge, the Capacity Accelerator Network, and Epiverse.

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Cormekki Whitley, Ph.D.

Chief Finance and Administration Officer

data.org

Cormekki Whitley is the Chief Finance and Administration Officer at data.org. As a member of the Executive team, Cormekki provides high-level fiscal oversight, oversees contract administration, and streamlines both in-house personnel and resource systems.

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Ronda Železný-Green, Ph.D.

Program Director, Capacity Accelerator Network (CAN)

data.org

Ronda Železný-Green, Ph.D. is the Program Director for the Capacity Accelerator Network (CAN). She is a diversity, equity, and inclusion (DEI) changemaker creating systems to empower Black people, women, people with disabilities, and other marginalized populations in the technology and education sectors.

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Ginger Zielinskie is the Senior Advisor at data.org, where she works to bring the power of data science to the world’s most challenging social problems. With over twenty years of experience, Ginger serves as an action-oriented executive leader focused on building strong partnerships to achieve systematic and meaningful change.

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Careers

Interested in joining our growing team?

We work with organizations from all over the world to increase the use of data science in order to improve the lives of millions of people.

See all career opportunities