Cassandra John

20 Years in the Making

29 January 2022 Cassandra John

I started my first job 20 years ago. I learned a few things along the way.

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It is not midnight in America

9 November 2016 Cassandra John

It is not midnight in America, but it certainly isn’t dawn. What happened on Nov 8 and how to do better next time.

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First rules of data analysis

26 July 2016 Cassandra John

Every time I get a new data set, these are the first steps I take to get that data ready for deep analytics.

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Handling Radical Uncertainty

19 July 2016 Cassandra John

Radical uncertainty is the state of not knowing what you don’t know – we all exist in that state. How do you handle that?

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Defining Product Management: An Introduction (Part 1 of 5)

11 March 2013 Cassandra John

“Systems program building is an entropy-decreasing process… Program maintenance is an entropy-increasing process, and even its most skillful execution only delays the subsidence of the

All the King’s Horses and All the King’s Men

18 August 2012 Cassandra John

[Note: Originally published on the TABB Forum: Opinion, 15 August 2012]. Mother Goose’s nursery rhyme about Humpty Dumpty is a silly little ditty told to

The True Cost of Data: What Swaps Data Reporting and Recordkeeping Really Is

23 July 2012 Cassandra John

“Pirenne heard Lord Dorwin’s idea of scientific research. Lord Dorwin thought the way to be a good archaeologist was to read all the books on

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