We are available for consultancy and freelance opportunities (and Yen is available for illustration and animation opportunities).  Please contact us.


Marian Petre ‘picks the brains of experts’ to find out what makes expert software designers expert, how people reason and communicate about design and problem solving, and how they use representations in their reasoning.  She is a Professor of Computing at The Open University in the UK; she holds degrees in Psycholinguistics and Computer Science.


André van der Hoek is a programmer at heart, who thrives on talking to and working with software designers and developers to create new tools that help them be more effective and efficient. He is a Professor of Informatics at the University of California, Irvine; he holds degrees in Business-Oriented Computer Science and Computer Science.


Yen Quach loves to draw. She is an award-winning freelance artist and illustrator, who works in both digital and traditional media. Reflecting the world with curiosity and creativity, she began the #draweveryday challenge in 2013 and has not missed a day yet. Yen holds a degree in Illustration & Animation.