I’m Tom Fiddaman. I build and use mathematical models for a living. I’m interested in dynamic modeling methods and software, particularly applications in climate and energy policy. I’ve worked on a wide range of topics in public policy and business strategy, including climate, energy, beverage sales, B2B emarkets, hedge funds, pharmaceuticals, pork and dairy commodity cycles, fisheries, and large project management.

I work for Ventana Systems with the Vensim and Ventity teams.

Editorial Policy

I will…

Edit pages like this (not posts) as needed, without noting changes.

Make minor corrections to posts within 15min. of posting, without necessarily noting them.

Correct typos (e.g., spelling) that don’t alter the meaning of a post, without necessarily noting them.

Add updates and links to later work, clearly identified.

Make every effort to verify sources and data quality.

Disclose conflicts of interest.

I won’t…

Change or correct the content or meaning of a post without clear indication (e.g., overstrike).

Use others’ material without attribution.

Disclose private information.

Post for pay or other consideration.


Creative Commons License
MetaSD blog by Tom Fiddaman is licensed under a Creative Commons Attribution 3.0 Unported License. Some content in the Model Library or (naturally) links may be subject to the author’s copyright and therefore not to this license.


This site does not collect, share or sell any personal information, other than what you choose to disclose in comments, with the following exceptions:


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5 thoughts on “About”

  1. Hello again, Tom

    I tinkered a bit more on the “polarisation” issue, and would love to share the result with you.

    What email address can I use to send you the vensim file?


    1. Cool. You can send it to tom at this domain. I’m at the SD conference so it might be a while before I can respond.

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