About this office

Dale Carnegie London cover a broad range of performance-based training solutions including People Skills, High Impact Presentations, Customer Service and Sales & Leadership Training. Our aim is to help companies be successful in the city & beyond by equipping them to outperform their competitors, upskilling their staff members and creating engaging environments to work in. Dale Carnegie is recognised as a global front-runner in Leadership & Sales training skills, based in 95 countries and operating in 25 different languages.

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Meet Our Team

Our highly trained and ISO certified team have the experience, skills and knowledge to help you transform performance within all levels of your organisation
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Samuel Lessore

Managing Director

Samuel is an experienced Managing Director and Entrepreneur, with a demonstrated history of working in the management consulting industry. 

Passionate about taking organisation’s visions from ‘as-is’ to ‘should-be’, he thrives on building long-term relationships that enable his team and his clients to achieve their goals.

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Mark De Stadler

Senior Engagement Specialist & Trainer

Mark has been with Dale Carnegie for over eight years and has worked with a number of FTSE 500 and SME companies in London and globally which has included the likes of AIG, Trip Advisor, Channel 4, Citco and Citrix Systems both from a training and consulting perspective.

His experience and industry insight allows him to add real value to his clients. Mark says, “Dale Carnegie is more than just a training provider, we focus on delivering tangible and sustainable business results by matching our client’s needs with the best training solution to deliver the results that they seek.

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Alina Maraghelis

Business Performance Manager and Trainer

Passionate about people and delivering improved business results by increasing people’s performance,Alina specialises in supporting executive and middle level managers in facilitating growth of their revenue through effective strategy and team alignment. With over 10 years experience in consultative selling across a variety of industries, Alina’s focus is on building long term relationships and ensuring exceptional client satisfaction.

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William Burton

Senior Consultant and Trainer

For over 20 years Bill has been working with business leaders helping them in critical areas such as enhancing communication, creating more inspiring and effective leaders, increasing sales and improving customer service.

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David Griffith-Sackey

Consultant and Trainer

Since joining Dale Carnegie in 2015 David has been committed to improving the performance of organisations by improving the engagement and performance of their people.

A seasoned communicator with strong skills in public speaking and personal development he works with a diverse range of businesses helping both individuals and businesses achieve their goals.