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...

Best course I have ever attended , not to exaggerate but it has completely changed my outlook on work and work/life balance.

mark t, 9th April, 2026

Diane was brilliant from start to finish, engaging, passionate and informed. The whole course was very comprehensive and Diane was an excellent communicator throughout, making all participants feel involved and enthusiastic about self development. Diane is also a great listener and lets conversation flow when important topics are covered. She also shows her human side able to connect with anyone and everyone on a personal level in and out of the training sessions. Thank you Diane.

Christian V, 9th April, 2026

The knowledge and experience that Diane gave to us all in my opinion was outstanding. The information that she brought to the table and how she got it across was superb, and had a huge impact on myself personally and completely changed the way I carried out my role as a site manager. If I could have had this Coarse off Diane 2o years ago I would be a much more proffesional manager now

Stephen G, 9th April, 2026

I attended a four-session course which I found genuinely valuable. It helped me understand my own DISC style and, just as importantly, recognise it in others. That’s already made a difference in how I approach people and situations day to day. The training was well presented throughout, and Diane was an excellent trainer—engaging, clear, and easy to learn from. Overall, well worth doing.

Darren W, 9th April, 2026

I have attended a number of management courses over the years, but Diane delivers leadership development in a way that is both engaging and highly practical. Throughout the programme, there was a strong emphasis on meaningful self-reflection. Not only individually, but as a group. Diane created a supportive environment that encouraged honest discussion and personal growth. As a result, I came away with practical tools and guidance that I can immediately apply in my role to develop myself further and better support my team. Each session was thoughtfully followed up with a clear summary and encouraging words of support. Diane was consistently approachable, generous with her time and genuinely invested in our development.

Emma K, 11th February, 2026

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

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

Best course I have ever attended , not to exaggerate but it has completely changed my outlook on work and work/life balance.

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.

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