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Meet the team

Impact is bursting with energetic, talented and passionate people who want to make a difference. Our people work from over 30 global locations.

Jon Hall Impact
UK
Jon andHall
Head of Consulting

I've enjoyed more than 11 challenging years of international work with senior leadership teams; designing & delivering innovative programmes; managing global delivery teams and coaching individuals. I'm known for an insightful and engaging style and love working in the moment with a courageous approach to challenging interventions. I love relaxing with my wife, watching my daughters perform (singing or horse riding), or sharing outdoor adventures.

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Roger Nielsen, Impact
Australia
Roger andNielsen
Senior Consultant

Over the past 16 years at Impact I've worked around the world with some truly wonderful people. I've been the lead facilitator on many large-scale initiatives focused on developing leadership capability, high performing teams and coaching. I love the outdoors, and spend many hours at the beach with my wife and daughter.

 

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Adele Tattersall, Impact International
UK
Adele andTattersall
Project Coordinator

I support the set up and administration related to the end-to-end implementation of client solutions in the UK and worldwide. I am an organised and passionate team player and I enjoy working as part of the various Client Service Teams who manage our clients. Not originally from the Lake District, I feel very lucky to now live and work in such a beautiful place in the UK. I love spending time with my friends and family and keeping fit.

Dan Jones
UK
Dan andJones
Head of Media

I bring my passion for photography and film-making to work, creating people development and marketing films. I like many types of cheese, with my favourite probably being Wensleydale with some sort of dried fruit in it. Sometimes with crackers. And chutney. Maybe a glass of wine… What was I supposed to be writing about again?

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Jo Appleby
UK
Jo andAppleby
Head of Partnerships

I design projects to bring Sustainable Development Goals to life and get them into every programme we deliver. Globally. Universal in nature and relevant for all, the SDGs tackle the biggest issues facing our planet and everyone on it. I sit on the consultant team, support our Community Action Learning function and the wider and I’m the Impact UK representative for UNGC. I love running in the fells.

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Sam Rostas, Impact International
UK
Samantha andRostas
Global Lead

After 10 years leading the UK, I am now in a global role focused on two areas: one leading a people project, the other focused on marketing. I grew up through Impact as a marketer and love the buzz of building business through brand and storytelling. My other passion is the people and culture here, so this is the ideal combination for me. When I’m not working, I love spending time with my family, enjoying the outdoors and practicing yoga.

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Shiwali Daryapurkar
USA
Shiwali andDaryapurkar
Program Manager

I enjoy using my strengths in operations management to bring organisations into the chaos and to connect people with resources. I look forward to supporting the team from behind the scenes to execute the programs successfully and meaningfully. In my personal time, you will find me traveling, cooking, event planning, reading, and involved in theatre and film productions.

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Sam Williams, Impact
UK
Sam andWilliams
Business Development

At 21 I had my first day of work at Impact in the stores... I am still making up for everything that happened that week. My passion is in sports coaching and development. My journey with Impact has taken me traveling around the world where I continue to meet and work with many amazing people. I am a big family man, and love surrounding myself with the best of company. If I am not herding terrifying highland cattle, I’ll be playing rugby or baking sponge cakes. 

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Detlef Eigenbrodt
Italy
Detlef andEigenbrodt
Senior Consultant and Facilitator

I love to lead development. Development of reflection, knowledge and conviction. Personal and individual. Development of values, attitudes, performance and decisions. For a better understanding of People and for a greater invest into the worlds future.

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Charlie Somers Cocks, Impact International
UK
Charlie andSomers andCocks
Senior Consultant and Head of Global Talent, UK

I am passionate and committed to helping others be the best they can be, whether they're senior leaders or young talent. In my Global Talent role I support the recruitment, induction and development of our full time and associate consultants. This fantastic role has allowed me to work with many of our global team since 1992. Despite being old enough to know better I compete as a Master at a world level at Mountain Bike Orienteering and manage the Great Britain team.

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Holly Higham Impact International
UK
Holly andHigham
Global Lead, Marketing

My job is to share amazing client stories with the world through integrated marketing campaigns. I love live events and building Impact's community, as well as research and content creation. I live for adventure...and cake!

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Our awards

Year after year, we continue to be acknowledged for the quality and effectiveness of our partnerships with clients and for our own work on building Impact as an organisation worth working for.

2026 Training Industry Top 20 Leadership Training Company
2026 Training Industry Top 20 Leadership Training Company

Impact is a 2026 Top 20 Leadership Training Company. Training Industry independently assess the training marketplace for top providers. Their Top Leadership Training List, based on capabilities and expertise, includes Impact for the 16th consecutive year. 

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Chief Learning Officer gold award 2025
Gold Excellence in Partnership Award from Chief Learning Officer 2025

Impact won the gold award at the Chief Learning Officer 2025 Learning in Practice Awards for Excellence in Partnership. This recognises our support of Bristol Myers Squibb in implementing a learning and development programme.

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