He currently works as a senior research scientist at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL).

[2] In 1996, Clark was elected a member of the National Academy of Engineering for the design and development of efficient implementation techniques for Internet protocols.

[4] His recent research interests include what the architecture of the Internet will look like in the post-PC era as well as "extensions to the Internet to support real-time traffic, explicit allocation of service, pricing and related economic issues, and policy issues surrounding local loop employment".

[1] Clark has been credited with a popular statement in the computer science realm:[5] We reject: kings, presidents, and voting.

'[5] Clark's new ethos of consensus has become a widely used methodology software development today and replaced a more top down approach that existed in the 80s.