Meet our Team

We are a small team with a diverse set of skills and experiences. What draws us together is a passion for development and a strong belief in achieving impact over maximising personal gain. We are based across the world with flexible working arrangements including full and part time employees, collaborators and advisors.


David Stern

Director, Mathematical Scientist

David Stern is a Mathematical Scientist and Educator. He is a former lecturer in the School of Mathematics, Statistics and Actuarial Sciences at Maseno University in Kenya and a founding board member of African Maths Initiative (AMI).

Danny Parsons

Director, Mathematical Scientist

Danny has a background in mathematics, which led to a broader interest in education and development with organisations including AIMS, AMI and University of Oxford. He is involved in various projects that cut across the mathematical sciences, education and development in Africa within IDEMS.

Francis Torgbor

Collaborator, Mathematical Scientist

Francis is a Climatic Data Analyst, a founding director of the African Maths Initiative Ghana (AMI Ghana) and a member of the PICSA team in Africa. He is currently looking into the potential of establishing IDEMS Ghana.

Beth Medvecky

Senior Technical Adviser for Agriculture and Development

Beth is passionate about African smallholder agriculture, agroecological research for development and development education for multidisciplinary teams of students through experiential learning.

Santiago Borio

Mathematics Teacher and Educator, Mathematical Scientist

Santiago is a Mathematics teacher and Educator. He is passionate about Mathematical Sciences and Development. Formerly Education Project Lead at IDEMS, he is now teaching at Brighton College, UK, and working part-time at IDEMS on education projects, mostly related to authoring open education resources for schools and universities.

Zach Mbasu

Collaborator, Mathematical Scientist

Zach is a founding board member of African Maths Initiative (AMI) and Director of INNODEMS. He is an experienced maths teacher and very passionate about technology integration in Education. He is working on exciting projects that set out to improve the quality of learning in schools across Africa.

Giovanna De Giusti

Development & Gender Expert

Giovanna is an Economic Development Scientist and Educator and a former lecturer at Maseno University in Kenya, where she taught Economic Development, Research Methods and Project Management among other subjects.

Chiara Facciolà


Chiara is an Applied Mathematician who has recently completed her PhD. She is currently involved in a number of projects within IDEMS, which range from education to social challenges.

Michela De Giusti

Collaborator, Economic Development Scientist

Michela is a Development Manager passionate about the role education can play in the development of local communities and has volunteered in Maths Camps in Kenya.

Carla Marquez

Quality Assurance Officer

Carla is a Linguist, with a specialty in Spanish Language. She is working part time on quality assurance for several IDEMS software development projects. She loves dogs and is studying to become a dog trainer.

Maxwell Fundi


Maxwell studied Information Technology at Maseno University, Kenya. He has been the lead software developer for various projects at African Maths Initiative (AMI). He has also developed interests in better teaching of Computer Science and mathematics.

Esmee te Winkel

Mathematical Scientist

Esmee is a mathematician with a passion for education. As a member of the charity SAMI, she volunteered at Maths Camps in Kenya and Ghana. She is excited to be working on projects that set out to improve young people’s life chances.

Chris Marsh

Software Development Team Leader

Chris is an experienced software developer who has worked in a variety of sectors over his 20 year career. He has managed teams of software developers and coordinated large development projects.

Georg Osang

Postdoctoral Impact Activation Fellow

Alongside his studies at the intersection of mathematics and computer science, Georg has worked as a tutor and has been supporting and participating in mathematics education activities in Africa. He has completed internships at Google and is interested in the application of technology to mathematics education.

Ian Stride

Senior software developer

Ian has broad experience in software development, gained over many years working in startups. He enjoys metal music and helping others to improve their lives through better education.

Stephen Lloyd

Senior Software Engineer

Stephen has worked on many international software projects. He is especially interested in software development using distributed teams. He is providing analysis, implementation, coordination and mentoring support to IDEMS’ software projects.

Zobinou "Zed" Mawusi

Research Methods Assistant

Zed was a research methods specialist. He coordinated support to projects funded by The McKnight Foundation’s Collaborative Crop Research Program in Niger, Burkina Faso and Mali. 

Zed sadly passed away suddenly in May 2020. He is greatly missed.