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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.

Maggie Pearce, Impact International
UK
Maggie andPearce
Head of Design

I have a global role around developing and sharing our learning practice, which I combine with designing and delivering some of our more complex client solutions. I have developed and pioneered ‘Solution Mapping’ – Impact’s consultancy framework, and specialise in evaluation strategies, as well as designing leadership action based simulations. I'm Impact’s unofficial Chief Cartoonist and, wherever possible, I use cartoons to bring insights and concepts to life.

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Lisa Priore Impact
USA
Lisa andFelloni
Finance Administrator

I am a highly experienced Accounting and Financial Management professional with expertise in problem solving, business communications, project management and customer relationships. I’m an enthusiastic leader, successful in liaising across all levels, handling confidential information and managing multiple priorities. I enjoy attending live events; cheering on my favourite sporting teams, watching my friend’s rock band, and supporting my daughter’s dance team.

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Molly Shrimpton, Impact
UK
Molly andShrimpton
Content Editor
Having joined the business in 2019, I work as part of the marketing team, creating and editing written content for the Impact blog. I currently work part-time whilst I study for a PhD in the environmental humanities. Outside of work, I love fell walking, outdoor swimming, learning about conservation, and going on adventures with my crazy dog!
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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.

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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Francesca Filzi
Italy
Francesca andFilzi
Accounting and Financial Support

I manage all Impact Italia accounting processes and love precision, tramezzini (look it up!) and silly jokes. I am also very appreciated for my former athletics experiences and I provide stretching sessions to all colleagues who need to exercise a bit after a long day in the office. I deal with a lot of internal and external stakeholders to make sure everything is ok with our clients, accounts, invoices and bills!

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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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Gabrielle Thorpe, Impact
UK
Gabrielle andThorpe
Project Manager

After living in France and working in the ski industry for 13 years, I decided to move back to the UK, joining the Impact Project Management team. I work on several major global client solutions across industries such as insurance, pharmaceuticals, sportswear and automotive. I build strong working relationships, both internally and externally, to support teams through solution design to delivery.

David Muir, Impact
China and Hong Kong
David andMuir
Client Solutions

An avid traveller and outdoor adventure enthusiast I jump at the opportunity to try new things and am a pioneer at heart. I have spent the better part of the last 10 years working in experiential education and am deeply committed to developing responsible and sustainable leadership. I am passionate about inspiring, motivating and engaging people to fulfil their potential.

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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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Michelle Dong
China and Hong Kong
Michelle andDong
Senior Consultant

In all my work, I am driven by a profound interest in what moves and motivates people. I believe that everybody can make significant improvements through continuous self-exploration. I deliver individual coaching, workshops and training programs with the focus of increasing the potential of Senior Managers and High Potentials and developing their team leadership skills as well as helping them with behavioural change initiatives which naturally bring along performance improvements. 

Vesna Lorenc, Senior Consultant
Poland
Vesna andLorenc
Senior Consultant

I have been supporting people in communication for 20 years. Initially as a consultant and currently as a trainer, coach, and mediator. I am passionate about people and the complexity of human nature, and like to help tame this complexity for a specific purpose. Socially involved, I'm also a mother of three. Between all this, I find balance in meditation, yoga and nature.

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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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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Akira Matsumoto (Mikey), Impact International
Japan
Akira andMatsumoto(Mikey)
Assistant Manager, Facilitator

With nearly 18 years in the retail industry, I held roles such as sales, store manager, trainer, and area manager. These experiences taught me that when people grow, organizations grow. Supporting others made me reflect on my own growth and whether I still had something to offer. To challenge myself, I moved into a new industry. Now, I work to create training experiences that resonate emotionally and leave a lasting impression—while continuing to grow with my clients. 

Steven Nishida
USA
Steven andNishida
Senior Consultant

A lifelong passion for learning and leadership brought me to Impact, and I couldn't be happier with my decision. As a designer, facilitator, and thought partner, I embrace a scholar-practitioner mindset, running to the issues and engaging others with clarity, empathy, and authenticity. My favorite activity of each day is laughing, playing, and making up bedtime stories with my kids. They're hilarious!

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Simon Brown
UK
Simon andBrown
Accountant

AKA Bloodaxe. I am an accountant at Impact. When I am not at work, I enjoy spending time with my family, cycling and heavy metal. Not all at the same time, though – that’d be dangerous.

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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Tomasz Sławiński, Impact konsultant
Poland
Tomasz andSławiński
Senior Consultant

I am fascinated by moments of change and new beginnings. As a coach, I support leaders in building confidence, influence and authentic leadership. Before moving into coaching, I spent many years performing on opera stages, and I still draw on those experiences when helping clients find their voice and presence.

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Giuseppe Florimonte
Italy
Giuseppe andFlorimonte
VP and senior consultant

Father of three, happily married to one, and manager of some, I love numbers and sales, but I also like to ideate, design and deliver challenging programmes, either in training or consultancy. In Impact for more than 15 years, I still very much enjoy the consultancy process, especially account and client management. At work, I am acknowledged (and sometimes blamed) for dreaming big and joking a lot!

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Greg Bartlett
Australia
Greg andBartlett
Senior Consultant

I design, develop and manage solutions for key clients. I am passionate about helping people and businesses be at their best through practical and personal change. I love bringing innovative and challenging ideas to my work. I get my energy from time with my gorgeous family, my exciting work and my personal passion for sport and adventure.

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Haruka Maruyama (Maruko)
Japan
Haruka andMaruyama(Maruko)
Assistant Manager, Planner

Working as a planner at Creative and Marketing Department since 2019. Before Impact, my career was mainly on the position of sales and marketing at the bank and advertising agency. My focus is on the capacity building for both individual and team. Virtual team building is one of the fatal themes because I am working as a full remote member. I love traveling around the world with my backpack and enjoying beautiful local delicacies!

Lena Evans
Australia
Lena andEvans
Consultant

I’m a Consultant and Client Lead at Impact, and as a mum I’m reminded daily of what matters most: learning, growing and giving things my best. That’s the approach I bring to my work. Over the past eight years, I’ve had the privilege of working with an incredible team while meeting and getting to know wonderful clients. I support experiences that help people grow, connect and feel seen. I believe in the power of small moments and the ripple effect they create, and I hope the work we do today helps shape a kinder, more purposeful future, especially for the next generation our children will inherit.

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Warangkana Posinsomwong
Thailand
Warangkana and(Lek) andPosinsomwong
Asia Pacific Finance Director

I'm based in Thailand, a country of beautiful islands, good food and nice people. I have a lot of fun working with people around the world. I have more than two decades of international finance and accounting experience. My real challenge is working with Inland Revenue offices in different countries! I love to explore the world through reading and travel and one day wish to have a little cafe where people can sit and have a coffee or few drinks and craft together.

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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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