David is an engineer, scientist, educator, and co-founder of BuBclean and FlowBeams, spin-offs from the University of Twente. He focuses on teaching and solving societal challenges as Professor at the University of Twente, Research affiliate at the MIT, USA and Invited professor at the Dermatology Department, Erasmus MC Hospital, Rotterdam, NL.

David leads the BuBble Gun project, aimed at developing a needle-free injection method. He has developed novel products, such as the BuBble Bag for Ultrasonic cleaning and water treatment, and new electrode designs for hydrogen generation. He wrote the book Empathic Entrepreneurial Engineering, which is a guide to solving problems, based on the real experiences of scientists and company founders.

David has received several recognitions, such as the Lambertuszoon Fonds prize (2016) awarded by the Royal Holland Society of Sciences and Humanities (KHMW), and elected as Engineer of the Year 2021, and the Prince Friso Award by the Royal Dutch Institute of Engineers (KIVI). His work in Public Outreach earned him the Stairways to Impact Award, granted by the Dutch Scientific Council. He was elected to the Global Young Academy (2020) and the Young Academy Europe (2020), elected Secretary in 2023. In 2024, David was installed at the De Jonge Akademie (Dutch Young Academy), Royal Netherlands Academy of Arts and Sciences.