Didier Bathily is a Malian software engineer living in France, who founded an IT development company in 2011 with his friends (http://www.njin.fr).

His involvement in this field and passion for new technologies have given him some versatility in software development. Indeed, for customer's njin, he develops modern web applications in Scala / Play Framework, mobile applications for iOS or Android, and games for iOS or Mac OS X applications.

You can find him on GitHub at https://github.com/dbathily and on Twitter at https://twitter.com/dbathily.

Jérôme Leleu is a software architect living in Paris, France.

A consultant for 7 years, he has worked in many different companies and fields with different people. He has participated in many IT projects as a developer, technical lead, or projects manager, mostly involving J2EE technology.

Now, working in a French telecom company, he is the software architect of the web SSO, which supports very high traffic: millions of authentications from millions of users every day.

He is involved in open source development as a CAS (WebSSO) chairman. He is interested in security/protocol issues and has developed several libraries at http://www.pac4j.org to implement client support for protocols such as CAS, OAuth, and OpenID.

He is now the founder of an SSO cloud provider based on CAS (https://www.casinthecloud.com).