For enterprises of every size and industry

the most successful enterprises work with us too

measure.

tangible results

achieve.

in 2 days*

Meet the Team

​We understand the realities of small to large organizations. Our team has a wealth of experience working with multi-national corporations, SME, NGO and the public sector. 

We distinguish ourselves as pragmatic catalysts in turning best practice from industry and academic research into powerful and engaging solutions that anyone can use.

​We are your hands-on partner with a clear focus on accelerating your teams, developing a high-performance organization and delivering fast and tangible results.
Our values, beliefs and quirks are as follows
  1. Performance Intelligence is the root to all success
  2. How you do anything, is how you do everything
  3. Bringing a paradigm-shift into the world is seriously underrated
  4. Our real product is testimonials
  5. Success begets success
  6. We believe in giving first
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Clement Cohen
Austrian
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"…what people fear more than change, is that tomorrow everything remains the same."
Clement COHEN built Scala, a $275 million publicly listed enterprise, from a handful of people into a 1'500-strong company within 6 years, with offices in 35 countries. In his role as a COO, he founded a corporate university and attributes his success to the High Performance Teams program developed there. Clement served as Corporate Strategy Officer at an NGO specializing in innovation, a Non-Exec Director and a Board Coach.  He was a named partner at Cohen & Simons, specializing in turn-around and restructuring. Clement is a Chartered Engineer from Warwick University where he won "The Plessy Industry Award" and holds post-graduate degrees in management from Westminster University and London Business School.
He founded Performant Group in Switzerland in 2012.

​Clement speaks English, German, Spanish and French.
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Tatiana Matveeva
Russian & Swiss
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“New ideas often feel risky, there will be times when you succeed and times when you fail. Both are equally important to learn and grow”
Tatiana MATVEEVA brings 19-years’ experience working in big multi-nationals -  Pepsi International Bottlers and JTI. She specializes in talent management, executive development and workplace mediation with a holistic grasp of HR-related processes. Originally from Russia, she has worked out of Canada, Germany and Switzerland serving internal clients and external partners globally from over 100 nationalities. Tatiana holds a Masters degree with honors in teaching and linguistics, is an accredited mediator, coach, and project manager, as well as a practitioner of PI®, NEO™ and SHL™ psychometric tools including Belbin® Team Roles.

Tatiana speaks Russian, English and French.
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Sharia Walker
Saudi & American
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"Embrace the clash of perspectives, for within it lies the raw material of growth and transformation.​"
Sharia WALKER is passionate about creating positive change and enhancing human relationships in the workplace. She is committed to providing her clients with the tools and resources they need to resolve conflict and grievances effectively and build more collaborative and productive relationships. She is a conflict management and leadership practitioner with over 15 years of professional experience having worked in a variety of sectors, including the public and private sectors, as well as intergovernmental organizations and NGOs. She is a skilled mediator, negotiator, and trainer. Ms. Walker holds multiple higher education degrees specializing in education management, conflict analysis and resolution, diplomacy and international relation from King’s College London, University of San Diego, and the Fletcher School, respectively. She founded Walker Institute in 2013 and is a Partner of Performant Group based in Switzerland.  

Ms. Walker speaks English, Arabic, and Italian.​
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Jeroen Tholen
Dutch
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“The key is to have teams dream of their journey. The outdoor mindset lets them shoot for the stars."
Jeroen THOLEN has a vision to create a world where a natural sense of trust, resilience, and collaborative effort form the foundation for a culture of shared accomplishments. His mission is to introduce the outdoor mindset and facilitate teams in their journey towards happiness and success by fostering collective insights and experiences. Jeroen THOLEN has over 20 years of diverse professional experience in various sectors worldwide. His career journey has taken him from leading teams in the hospitality and construction industry to becoming a licensed professional outdoor guide. As a certified team coach, facilitator in collective intelligence, and accredited in NLP (Neuro-Linguistic Programming) and Belbin, he is dedicated to developing and transforming teams through experiential learning.
Having launched his concept back in 2007, Jeroen runs Fun & Victory company and is a Partner of Performant Group.

Jeroen works in Dutch, English and French
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Annika Mansson
Swedish
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"Through our partnership of Happy-at-Work with Performant Group, my clients get the best of both: High Performance and a Happy Workforce."
Annika MANSSON has worked for 15 years for Danone Group as Marketing & Communications Director.  She is an advocate and keynote speaker for "Happy-at-Work" and has worked internationally as an expert in leadership, team development and cultural intelligence. Annika is a co-founder and editor of Managerama.TV, an online television channel for managers and HR professionals. She holds a Masters in Marketing, is accredited in coaching and adult education, and is an NLP,  MBTI® and Belbin® practitioner. Annika runs her company Happy-at-Work, which is an accredited partner of Performant Group.

Annika speaks Swedish, English and French.
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Pete Coop
British
"The truth is that we need both process optimization and emotional intelligence. I know it’s a lot to ask, but whoever said it was going to be easy?"
Pete COOP comes with 15 years of international experience in industry followed by over 22 years as an Executive Team Coach and Management Consultant. Pete has helped over 90 businesses achieve fast and lasting improvements in growth, efficiency, profit, quality, and on-time & on-budget project delivery. His unique and dynamic approach ensures very rapid improvements in both people and processes. He is currently active at the $50 billion Chevron LPG Gorgon project and helping city councils in Australia to better serve their constituencies.

​Pete works in English.
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Irina Chernousenko
Russian & Belgian
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"In today's world, leaders no longer have the time to cascade their learning from leadership training and wait for their teams to catch up. Performant’s unique capability to include and inspire everybody, means no one is left behind. We are all in this together."
Irina CHERNOUSENKO has a Ph.D in Economics & Shipbuilding and 22 years’ experience across three continents in building high performance teams. She is a former Director of Finance Transformation at Coca Cola Bottling Investment Group, an $11 billion revenue, 85'000 employees company.   As a recognized expert, she advises Fortune 500 companies in the field of shared services and finance transformation. She also acts as a coach and mentor for senior executives. Irina is a regular speaker at CFO conferences and a judge at the annual prestigious Shared Services Week since 2013.

​Irina speaks Russian and English.

Our clients keep coming back for more

clearly, "success is contagious"...

Why?

their testimonials speak for themselves...

HIGH IMPACT TEAM
1½ days - module 1 
July

"​...within the 90 days, $42 million of improvements are on schedule.

"​we confirm our order of the 1 day variant for our entire workforce of 720 !
"The 'High Impact Team' workshop for our 80 leaders resulted in identifying $120 million in short-term improvements, within 90 days, $42 million are on schedule.

​After discussion with our leaders, they would like to bring this to the entire workforce. 

BRILLIANT MEETINGS
1 day - module 3
​December

"​...we could reasonably claim to be freeing up 15'840 hours, some 200 for each of the 80 leaders.

"​we are all crazy busy, so this is like a breath of fresh air, uplifting...
"The 'Brilliant Meetings' workshop resulted in reducing time in meetings by 30%. Freeing up 15'840 hours, some 200 hours for each of our 80 leaders, that's like having an extra 5 weeks a year!
​Deep down you know things are not going to slow down, in fact the situation could get worse. That's why experienced leaders don't wait to take decisive action. Now is the moment to take a step towards accelerating your team. Our programs are designed to relieve 'crazy busy' and similar symptoms within days. 

Contact us for an informal chat to discuss your particular situation and how we can help you best. If you would like to chat live with us or leave a message when is the best time for us to get back to you, click on the blue tab at the bottom of the screen.

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