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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.

Stan March
USA
Stan andMarch
Account Director

I rely on both my unbridled curiosity and appetite for knowledge and exploration in my pursuit for continuous improvement. As an ambassador of the Impact brand, I harness this mindset to work effectively with my colleagues to increase our brand awareness and build mindshare in the marketplace. In my spare time, you can find me in the mountains skiing, hiking, and fly fishing with my wife and hound dog.

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David Williams, Impact International
UK
David andWilliams
The Boss!

I co-founded Impact in 1980 to explore adventure and experiential learning in people development. It worked! We now inspire and develop people worldwide. Shared values, a common purpose and a spirit of adventure bind us together. With over 200 colleagues working in the UK, Europe, America and Asia Pacific, we have a solid reputation for enabling clients to build leadership capacity and navigate complex change. To stay grounded, I rear rare breed cattle and sheep.

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Yusuke Kobayashi (Baya), Impact International
Japan
Yusuke andKobayashi(Baya)
Assistant Manager, Client Partner

'Continuing to "enjoy" life'
My lifelong mission is to continue positively influencing both myself and those around me, while persistently seeking enjoyment.
Throughout my career, I've had various experiences, from utilizing cutting-edge technology in logistics to engaging in gritty tasks. Through these experiences, I've realized the importance of finding meaning and joy in everything I do. Although sustaining this mindset is not easy, I am committed to continuous learning to become a professional to bring a positive impact to people and organisations.

Matteo Villa
Italy
Matteo andVilla
Senior Consultant and Facilitator

I joined Impact in 2023 as a senior Consultant, I’ve worked as training and development manager for a major pharmaceutical multinational and at the Business School of the Politecnico di Milano.

Passionate about learning and innovation, I consider it the 'mission' of consulting to transform companies into people centric, innovative and sustainable workplaces.

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Fabio Sparatore
Italy
Fabio andSparatore
Managing Partner and Executive Coach

After many years in big Italian firms, I now help clients understand and achieve their development goals. In Impact since 2003, I have gained experience in HR processes, organisational consultancy, assessment, training and development of managerial competences and leadership. I love mountain biking, silly jokes, deep reading, socialising and…meditating too. Whenever you want to work hard while having fun, call me!

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Yoshinobu (Hosshan) Hosoki, Impact International
Japan
Yoshinobu andHosoki(Hosshan)
Manager, Business Consulting Department

Being a manager of the delivery team in Impact Japan, I have been putting great effort and energy into realising our “Re-Born Strategy” from the delivery quality aspect. For my leadership style, creating trust is the most important factor. I support my team by creating trusting relationships, and as a facilitator, I use this quality to create a completely safe and open learning space in programmes. I love having a good time with people, drinking and karaoke.

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.

Chantana Prapasri, Impact
Thailand
Chantana andPrapasri and"FG"
Finance and Admin

Since joining Impact Thailand in 2006, I have been more energetic and enthusiastic to come to work. It is the best workplace that I can be myself. Everyday at work is great for me.

Damiao Lo
China and Hong Kong
Damiao andLo and
Senior Consultant

Working with Impact allows me to cross-germinate ideas and learnings between clients globally. In an ever-changing, dynamic business environment, I promote everyone to be designers of possibilities.

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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Karen Jaques Impact International
UK
Dr andKaren andJaques
Associate

I love exploring issues that my clients face and helping to find practical solutions. My other roles include developing Impact’s thinking around leadership and team development, and using systemic perspectives to encourage responsible leadership in business and society. Convincing, articulate and credible as a facilitator, I'm passionate about helping people realise their full potential...including myself! I love ski-mountaineering and any ways to access wild places.

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Ilaria Capogrossi Guarna
Italy
Ilaria andCapogrossi andGuarna
Key Account Support

I had the chance to join Impact Italy in June 2022 Joining Impact has added value to my professional background giving me the opportunity to work with very special collegues in a world company.I support our team and I coordinate the Milan Office.

In my spare time I like to travel to discover new destinations and people. I love animals and sports, especially skiing.

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Aidan Keough
Australia
Aidan andKeough
Senior Consultant

I help people gain insights into themselves and their team so they can improve as individuals and work more effectively together. As a facilitator I create the right learning environment and work alongside participants providing a balance of challenge and support. I bring over 20 years of senior leadership experience. I love learning, the outdoors and am fascinated with horses. I live on a small farm with my wife and two teenage children, and a herd of horses.

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Erica Partelli
Italy
Erica andPartelli
Senior Consultant and Head of Operations
As a consultant in Impact I like to bring fresh perspectives, energy and curiosity to the problem solving process. With a strong organisational psychology background and an drive for project management, I work with genuine passion for innovation and for the opportunities that the digital transformation is offering. My main passions include travelling, swimming and playing board games.
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Joanna Rada, Senior Consultant
Poland
Joanna andRada
Senior Consultant

After many years in business environment, leading sales and operating teams, I decided to share my knowledge and practice as a coach and facilitator. Becoming Impact consultant enabled me to support leaders and talents in developing their leadership with a solid dose of the "fun factor" that Impact programs provide.

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Sally Fleming, Impact International
UK
Sally andFleming
Senior Consultant, UK

My focus is on developing responsible leadership. I bring a warm combination of broad industry experience, academic rigour, Yorkshire humour and humility. My motivation and purpose is to help us mutually learn and create a more sustainable, compassionate and just world.  Fortunately, my spirited playful side, wilderness adventures and inclination toward anything shallow on a Friday night ensures people still invite me to parties despite all of that.

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Ignazio Raimondo
Italy
Ignazio andRaimondo
Senior Consultant and Account Leader

I deal with account management and sales development for Impact Italia and I enjoy delivering some of our programmes a lot. I am an Impact enthusiast and my brain is always looking for new ideas to bring the value of our fantastic brand to the market. You can find me at the office, on my Vespa on the streets of Rome, on my BMW bike surfing the best routes of the world! Do you want serious and reliable references? Ask my wife and my 6-year old twins.

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Sydney Johnson
USA
Sydney andJohnson
Program Manager

I am a Program Manager located in the heart of Texas. My favorite part of my role is interacting with so many different people daily while building and carrying out a variety of client-specific programs. Every day, I learn something new, and it excites me to continue growing in my position. When I am not working, you can find me dancing, rewatching Friday Night Lights, traveling, and spending time with my friends, family, and dogs! 

Yuki Okamoto, Impact International
Japan
Yuki andOkamoto(Yuki)
Master Coordinator

Since 2006 I have coordinated programme delivery. This involves meeting facilitators and consultants to design great modules, using creativity to ensure participants have profound learning experiences that add value to their organisation. I manage project set up and use technical skills such as abseil belaying. I have a teaching licence to teach PE. Now I enjoy working using my body, so I love to do exercise and jogging, swimming, gymnastics, and most outdoor things!

Yutaka Sugimoto, Impact
Japan
Yutaka andSugimoto(Yutaka)
Chief Glocal Officer

I was inspired by experiential learning on a leadership programme in 1992 and have worked for Impact ever since. Experiential learning and reflection alongside theory and skills input is a platform for real behaviour change for leaders. My passion is building an organisation worth working for and supporting our clients by developing people. I play football and enjoy discussing the match with friends. Drinking beer maybe more important than playing football.

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Sarah Brammeier
UK
Sarah andBrammeier
Senior Consultant

A global leadership facilitator/coach, I partner with you to meet challenges in uncertain, complex environments. I focus on what works in order to create programmes where learning is used right away. I am a bad surfer/golfer, lapsed runner and improving tennis player.

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Natassja Gale
UK
Natassja andGale
Strategic Designer (Digital Operations)

Bridging future-oriented research, innovation, and design principles and practices, my focus is on optimising our core business through developing and delivering resilient, human-centred solutions. I bring energy, raise questions, push boundaries and break rules. The most vital part of my life is the people within it, as the relationships we hold with one another are everything.

Diana Fritz
USA
Diana andFritz
Account Director

As an Account Director with Impact, I’m able to leverage my ten years of Business Development and Account Management experience.  I thrive in environments where I am able to develop and uncover new opportunities with partners and businesses. Most of all, I am a people person and love building trusting relationships. In my spare time, you will find me spending time with my husband, two boys and our dog.

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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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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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