About Us

Welcome to MDM Talent Management

We’re a talent focused consultancy, helping organisations of all sizes recognise that for truly outstanding performance, it’s not just who you’ve got in your business that counts, it’s what you do with them.

And we should know, we’ve been doing this for some time now.


MDM-Profile-Pics-JoJo Deadman
London, UK

With more than 25 years in HR, and over 10 years working in the ‘future-focused’ area of Talent Management, Jo has a passion about talent and making a difference in every business she works with.

Jo has held a number of senior Talent Management positions in a variety of industries and for businesses such as Hasbro Inc. (makers of Monopoly® and PlayDoh®), British Gas, Camelot, and the airport retailer World Duty Free. Since starting her own Talent Management consultancy in 2013, she has continued to provide services to large multi-nationals, whilst also developing her interest in the SME community, working for example with architectural practices, charities, specialist recruitment agencies, and high street retailers.

As well as being a passionate coach and leadership development facilitator, and an MBTI Practitioner, Jo has a Masters Degree in Human Resource Management from Middlesex University, a Combined Honours Business Degree from Plymouth University, whilst also being qualified in a number of other talent development/ assessment tools such as Predictive Index (PI), InsideOut Coaching, PDI’s 360 tool, Strengthscope, Lumina Spark Profiling, and Ken Blanchard’s Situational Leadership II program.

MDM-Profile-Pics-SianSiân Mertens

Sydney, Australia

Siân has a passion for making development matter by harnessing the untapped potential in those she works with. Her focus is on developing leaders to be personally more effective and their best selves.

Siân is a university educated coaching psychologist with eighteen years’ experience in Human Resources and Organisational Development roles across the industrial, manufacturing and FMCG sectors including businesses such as Kimberly-Clark, Hasbro and Thorn Lighting. Siân has strategic HR and change management expertise backed by solid business acumen. She has built high performance cultures, driven employee engagement, led organisational restructuring, designed and facilitated talent and leadership development programs and partnered with business leaders to drive change and develop and support business strategy. Siân is an experienced facilitator and coach, focussed on applying evidence-based practices based on applied psychology.

Siân has a Master of Science in Coaching Psychology from Sydney University, a Post Graduate Diploma in Human Resources from Deakin University, and a Bachelor of Social Science majoring in Psychology. She is a qualified facilitator in Myers Briggs Type Indicator and various other psychometric tools and an accredited facilitator of Ken Blanchard’s Situational Leadership II program and InsideOut Coaching.

Welcome to MDM Talent Management

We also work with equally experienced associates who share our creative yet pragmatic approach to solutions. People who, like Jo & Siân, have proven track records of delivery in the area of Talent Management.

"The best way to predict your future is to create it.” Abraham Lincoln

Never was a truer word spoken. If you really want something to happen, you need to make it happen, creating the opportunities and circumstances that will make your future vision a success.

And that’s what MDM is doing
We believe that for truly outstanding performance, it’s not who you’ve got in your business that counts, it’s what you do with them. Using ‘the latest model’ or proposing something because it’s ‘shiny and new’ is not in our philosophy.

We believe in the “so what” factor.
So what will change as a result?
So what will this individual or team be able to do that will achieve the business vision?
Person X is a high-potential – so what is being done to maximise that?

We have been influencing business stakeholders at all levels, from global multi-nationals to domestic SMEs, in order to make sure those questions were fully considered before any Talent investment takes place. So when our creative and innovative solutions are put forward, we know they will stand up and deliver.