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DMM Training & Development Reviews

Showing 5 star reviews : View all 344 reviews

Elizabeth G, 14 Jan 2026

Walshford

A brilliantly delivered course from Diane, she makes you think and consider everything you do, this course is not just about your work life its about you as a person and how you interact with other people whether these are colleagues, customers or family. We bounded as a cohort too, which I did not expect to happen. Thank you Diane!

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Barry C, 05 Jan 2026

Baildon

Diane is fantastic, she is truly engaging and ensures that the content of her sessions are tailored to suit both your individual and business needs. She involves everyone in the discussion and takes time outside of the sessions to work with you. I cannot recommend her highly enough.

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martin w, 05 Jan 2026

Baildon

This was an absolutely fantastic course. Diane puts things in a down to earth manor which people can relate to easily. I've always been sceptical regarding Personal Development style courses but I found myself being thoroughly engaged and really enjoying, taking on board and utilising the skills Diane has taught. Fantastic, can't highly recommend this and Diane enough 5 stars!!!

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Sarah H, 29 Dec 2025

Walshford

I thought the course was very useful. It has certainly made me change the way I manage my Team. Diane was very knowledgeable on all of the course subjects. Also a lovely bubbly personality which goes a long way

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Brandon C, 29 Dec 2025

Walshford

Diane completely changed the way I see management and I look forward to implementing the various techniques over my career.

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LAURA D, 02 Jun 2025

Arkendale

really enjoyed the course, Dianne is fantastic and so supportive. the sessions are made FUN!

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Alex H, 14 Jan 2025

Leeds

I wouldn't hesitate in recommending Diane, a very worthwhile use of our time as a young SLT and some new to management. Enjoyable too! Thanks Diane.

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Craig P, 02 Jan 2025

Leeds

Cannot thank Diane Mason and the DMM Training and Development Ltd material enough. Our journey as a management team has just commenced and the last three months of sessions have truly catapulted us on a forward trajectory that will assist us to grow and thrive. We have only just scratched the surface of our journey and we are excited to see where it takes us. I would firmly recommend Diane and DMM to any organisation. The session to session knowledge, experience and OOH support going above and beyond is second to none. From a professional and personal level, thank you for all the support! Craig Pugh Head of Projects Principle Networks

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Ian W, 23 Dec 2024

Leeds

Diane is very kowledgable and could not be more helpful and encouraging. I've actually done a management training course before but this was far better and more relevant.

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Alex S, 18 Dec 2024

Leeds

I came into our Management and Leadership training hopeful. I was aware that there were shortcomings in our businesses senior leadership team and were expecting all of us to learn and implement some better behaviours. The amount of information that we actually learnt and the scope of the impact of the changes we've made are far greater than I could have hoped and I again feel hopeful that this training will touch every member of our business. So, in summary - absolutely fantastic training that's invaluable to any management team looking to help drive their business forward in a positive manner.

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