Management Training Yorkshire | Dmm Training & Development

Hi, I’m Diane Mason, I am Yorkshire born and bred. I use my expertise, skill and proven methods to help your people become managers and leaders through development training and coaching.

From overcoming fear in tackling difficult situations that arise in the workplace, to developing confidence in others through performance management coaching, I will provide you and your team with the tools needed to develop the skills for building highly-engaged, trusting teams.

I work with clients across all sectors of business in Yorkshire and here’s how I can help.

Training

We all thrive in different environments so that’s why I offer Open Programmes, In-House Programmes and Seminars and Workshops, to ensure individuals benefit the most from the learning process they receive.
Find out more here.

Profiling

Whether it be part of an interview programme, or to ensure your organisation receives training that meets your objectives, we use Everything DiSC® Profiles to improve communication and teamwork, build stronger relationships and create more productive workplaces.
Find out more here.

Coaching

I will enable you to decide what changes you need to make and assist you with the motivation required to make those changes.
Find out more here.

Consulting

Sometimes we need an expert pair of eyes to look in on our business from the outside to spot opportunities and gaps. I’m that pair of eyes and will identify training gaps, support growth plans or help place the right people into your business.
Find out more here.

Training

Profiling

Coaching

I will enable you to decide what changes you need to make and assist you with the motivation required to make those changes.
Find out more here.

Consulting

Whichever service you choose I will enable you to decide what changes you need to make and assist you with the motivation required to make those changes happen. I will provide you with practical techniques to help you develop and maintain those new skills throughout your business with your team at the heart.

I am extremely passionate about leadership, management and personal development and I’m very much looking forward to meeting you, please get in touch, call on 01423 398502 or email diane@dmmtraininganddevelopment.co.uk.

What my clients say...

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!

Elizabeth G, 14th January, 2026

Diane provided a detailed and supportive course, giving me the tools to use on a daily basis. She came with lots of enthusiasm and knowledge.

Bryony H, 6th January, 2026

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!!!

martin w, 5th January, 2026

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.

Barry C, 5th January, 2026

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

Brandon C, 29th December, 2025

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

Sarah H, 29th December, 2025

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

LAURA D, 2nd June, 2025

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.

Alex H, 14th January, 2025

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

Craig P, 2nd January, 2025

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.

Ian W, 23rd December, 2024

Increase employee engagement and team work with my training and development programmes

40 years of business work experience, and now I’m here to support you through training and coaching

I act as an outside pair of eyes spotting needs and opportunities within your business

Profiling helps individuals understand more about themselves and others within the workplace

Training

Profiling

Coaching

Consulting

Training

Profiling

Coaching

Consulting

Diane provided a detailed and supportive course, giving me the tools to use on a daily basis. She came with lots of enthusiasm and knowledge.

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.

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

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

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

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.

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.

Increase employee engagement
and team work with my training
and development programmes

40 years of business work experience,
and now I’m here to support you
through training and coaching

I act as an outside pair of eyes
spotting needs and opportunities
within your business

Profiling helps individuals understand
more about themselves and others
within the workplace