Dr. Mee-Yan Cheung-Judge, owner of Quality-Equality OD Consultancy and Training Services, Oxford, UK. (
The OD App has been conceived, written, designed, compiled, and funded by Dr. Cheung-Judge. It is her tenacious dedication to the field of OD coupled with her unwavering determination to provide a lasting legacy in service of OD that has made this rich resource possible. 

Barrett W. Horne, owner of Onfoot Consulting. (
A long-time OD colleague, friend, and one-time student of Dr. Cheung-Judge, Mr. Horne was the primary editor and content advisor at every stage of the App development.

Product Dojo. (
The software design and engineering were done by the small team at Product Dojo in Poland. Special thanks to Edyta Korona, Michał Kuczek and Bartek Kania.

Specialism Contributors
As noted in the Specialism Contributors section (, each OD specialism has been generously contributed by an OD professional with expertise in that specialism.

Dear OD App user

We are pleased to welcome you to this ‘field test’ of The OD App. We hope you find it to be a useful resource for you as an OD practitioner.

Please take time to watch the short instruction video on the home page.

We warmly encourage you to provide any feedback, observations, and/or suggestions that you might have for improving the app. This can be done via the ‘Feedback’ form at the bottom of the ‘Your Journey’ tab on the app. 

Once you have opened that tab, you can click on the ‘Feedback’ button and follow the instructions that appear, sharing about your experience and any comments that you think may be helpful.

Thank you! As we note, this is a community resource. Your input is welcome and important.

The OD App Team