Meet Your Trainers of Facilitators
Learn from globally recognized Association of Master Trainers (AMT) experts who bring decades of high-stakes, real-world facilitation experience to your certification.
Participants don't learn how to ‘run activities.’ They learn how to design and lead conversations that influence decisions, align stakeholders, and translate insight into action.
Gloria de León | Trainer of Facilitators & Change Management Expert
She is a senior change management professional and AMT Trainer recognized for helping organizations move from fragmented conversations to clear decisions, alignment, and execution in complex environments. Her training style is experience-first, outcome-driven, and uncompromising on rigor.
Track Record & Authority
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Global Impact: Certified over 1,000 professionals across Latin America and the United States, actively expanding the U.S. market with dozens of newly certified facilitators.
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Strategic Alliances: In 2011, established a strategic alliance with Per Kristiansen (co-author of the LEGO Serious Play method) to professionalize and expand the methodology's footprint.
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AMT Recognition: Since 2018, Gloria has been an AMT Trainer, part of a highly exclusive, small group of trainers worldwide authorized to deliver official Foundation Training and uphold the method's professional standards.
Industry Expertise
Since founding Ad Hoc Advisory in 2007, Gloria has applied experiential methodologies at scale across global corporations, manufacturing plants, logistics centers, hospitals, retail, and public-sector contexts. She consistently operates in high-accountability environments, driving large-scale change initiatives, integrity programs, leadership alignment, and complex corporate bidding processes.
AMT Profile
adhocadvisory.com
Michael Cloosterman | Trainer of Facilitators & Business Strategist
He is an internationally acknowledged trainer, facilitator, and central authority on the LEGO Serious Play method. He brings a unique presence to his training rooms—calming yet highly energizing—creating an ideal environment for mastering complex facilitation techniques.
Track Record & Authority
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Extensive Experience: Brings deep, hands-on expertise drawn from hundreds of successful client workshops and facilitator training sessions globally.
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Publishing & Thought Leadership: Owner of the Training Institute Bricks and Business BV and LSP Publisher BV, which produces the widely recognized LSP Magazine, books, and essential resources advancing the methodology.
Industry Expertise
Michel specializes in helping groups navigate the critical topics of team development, business strategy, innovation, and service design. He equips facilitators with the tools to bridge the gap between human dynamics and measurable business results.
AMT Profile
bricksandbusiness.com
lspmagazine.com
"I get energized by sharing my experience, developed and built over the years in over 150 trainings and 200 client-based workshops throughout Europe.
I help individuals and organizations enter into dialogue playfully and develop new ideas for creative solutions.
Matthias Renner | Trainer of Facilitators & Agile Strategy Expert
He combines the precision of an IT professional with the empathy of a certified mediator. His enthusiasm for the method is contagious, enabling his clients and trainees to maximize the knowledge and experience of their teams while ensuring everyone is equally and enthusiastically involved.
Track Record & Authority
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Analytical Foundation: From 2005 to 2017, Matthias worked as an IT consultant, designing automated solutions for measuring business processes for international companies, while also designing multilingual training programs.
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Methodology Focus: Since 2017, he has dedicated his practice to using LEGO Serious Play to transform meetings and solve complex problems.
Industry Expertise
As a trained coach and certified mediator, Matthias brings active listening and deep sensitivity to his facilitation. He successfully guides clients across the IT, banking, insurance, chemical, pharmaceutical, and public administration sectors, proving year after year that organizations can solve complex problems playfully and purposefully.
AMT Profile
brickolution.com