John D. Cook

John D. Cook photo



I am a consultant in applied mathematics, statistics, and software development. You can read more about my consulting here.


I’ve done work for a wide variety of clients, public and private, from solo entrepreneurs to Fortune 100 companies. Here is a brief résumé. I have a more detailed CV available on request.


My blog The Endeavour has short, self-contained articles on a variety of topics, technical and non-technical.

Social media

I have a personal Twitter account and several other Twitter accounts that post daily tidbits on specialized topics.

You can also find me on .


Here are some journal articles and technical reports I’ve written, and some informal articles I’ve written on software. See my blog for many more articles.

You can search here through things I’ve written on this site and elsewhere.


How to contact me via email etc.