Michał Jaworski has 7 years of experience in Python. He is also the creator of graceful, which is a REST framework built on top of falcon. He has been in various roles at different companies: from an ordinary full-stack developer through software architect to VP of engineering in a fast-paced start-up company. He is currently a lead backend engineer in TV Store team at Opera Software. He is highly experienced in designing high-performance distributed services. He is also an active contributor to some of the popular Python open source projects.

Tarek Ziadé is an engineering manager at Mozilla, working with a team specialized in building web services in Python at scale for Firefox. He's contributed to the Python packaging effort and has worked with a lot of different Python web frameworks since Zope in the early days.

Tarek has also created Afpy, the French Python User Group, and has written two books on Python in French. He has delivered numerous talks and tutorials in French at international events such as Solutions Linux, PyCon, OSCON, and EuroPython.