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Since 2008, Empowering Projects and People
Focused on Growth and Transformation
Energized by Complexity and Emergency
Leading with Meaning, Empathy and Positivity
Decades of Impactful International Projects
Founded in France, we have driven impactful projects across Europe, the USA, and Latin America.
Proven track record of collaborating with corporate teams and startups, successfully navigating diverse cultures and time zones
Exceptional ability to adapt to varied industries and business contexts, fostering lasting relationships with stakeholders worldwide.
Looking for growth or transformation? You're in the right place!
Choose Your Journey
"The best way to predict the future is to create it." - Peter Drucker
Making your Business Evolution Simple, from Vision to Reality
Since 2008, we have successfully delivered impactful projects for corporate organizations, family-owned businesses, and startups across more than 15 countries, including the USA, EMEA, India, and Latin America.
Strategic Growth
From Design to Execution
  • Market expansion
  • Plant Build-Operate-Transfer
  • Strategic alliances
  • Growth plans
Transformation
From Analysis to Implementation
  • Organizational transformation
  • Restructuring operations
  • AI strategy and implementation
  • Industry 4.0 Race
M&A Leverage
From Targeting to Integration
Holistic experience in M&A transactions in more than 10 countries. Strong understanding of strategy, multicultural DNA, market's specificities and negotiation techniques.
They love us
We have been recognized as
  • Strategic Project Directors, from vision to execution
  • Corporate restructuring and transformation specialists
  • Industrial project leaders, especially greenfield initiatives
  • M&A experts and post-merger integration managers
  • Market penetration strategists with a focus on emerging markets
  • Public & Private partnership facilitators
Catalyzing Strategic Vision, Innovation, and Operational Excellence Across Industries
Strategic Vision, Meaningful Actions
Ability to develop and articulate a clear strategic vision for the organization, aligning goals with market trends and competitive landscape.
Innovation Mindset
As a forward-thinking mindset, we drive innovation by harmonizing People, Technology, Process, and Data - the cornerstones of 21st-century 4.0 business.
Operational Excellence
Proven track record of driving operational excellence, empowered by a holistic approach integrating Strategy, Finance, Sales, Marketing, HR, Supply Chain, IT, and AI
Leading with Meaning, Empathy, and Positivity
Meaning
Driven by a strong sense of meaning in work, seeking to make a positive impact.
Empathy
Highly empathetic, fostering a collaborative environment.
Positivity
Positive and optimistic approach, inspiring and motivating teams.
Testimonials
Laurent Bresson
President Nexteer
“We were really concerned about maintaining complete confidentiality and professionalism when we decided to start our cross-border project. We chose OPTEAMUM Associates because we knew it was an independent international company we could trust. The team was extremely conscientious of privacy and confidentiality issues and I know they represented me well. I always appreciate a company that understands and values professionalism and delivers what they promise. I highly recommend Geoffroy VILBERT to any company wishing to engage in an international project that requires strategic vision but also an effective hands-on project management.”
Emile Di Serio
President Saint Jean Industry
"Saint Jean Industries Group was looking for a consulting firm to secure a major investment project for our family group. We could appreciate the commitment of Geoffroy VILBERT and his team in the development and execution of this project. We have seen the quality of their strategic vision but also their methodology and its tools for managing large and complex projects. With this team, we have always been able to maintain an overview of our actions and at the same time a great simplicity in the daily management of our work. We have recommended OPTEAMUM with various foreign partners with whom we work."
Bernard LEMOINE
Global Industrial Director - DELFINGEN
I appreciated: Your ability to listen, to strive to understand our requirements without hesitating to ask questions when we were not precise enough, explicit. Your ability to federate the energies of the providers, as your personal commitment to achieve our objectives. Your business contacts were very useful. Your state of mind to “live”, to assume the project as if you had full responsibility. Your ability to report. I wish you the best for the continuation of your career, knowing that I would refer your professional skills to a client, if that was needed. OPTEAMUM has also been able to support major cost saving during the negotiation phase, their cultural local knowledge has been very helpful to guide us. Delfingen recommends OPTEAMUM as a very strong partner to manage investments projects.
Bard Adam
Global CFO Securitas
« Geoffroy is very good at bringing the right people to a project and take all different aspects into consideration. Creative, out-of-the-box-thinker to solve issues. Nice to work with. »
Energized by Complexity and Emergency Management
COMPLEXITY
At Opteamum Associates, we tackle complexity head-on with our innovative "Simplexity" approach. This methodology allows us to anticipate and manage risks and crises effectively by distilling complex contexts into simple, actionable solutions.
EMERGENCY
We transform challenging situations into strategic opportunities. We provide decisive support through:
  • Strategic decision-making under pressure
  • Clear, actionable vision development
  • Rapid identification of quick-win solutions
  • Precise recovery plan design and execution
"Be Inspired and Inspiring", Our Executive Coaching Program
For more than 18 years, we've seen firsthand how investing in people can transform outcomes and have a global impact. This insight inspired us to extend our mission to help individuals achieve personal fulfillment and balance.
Leadership Development
  • Empathy in Business
  • Authenticity and Integrity
  • Strategic Thinking
  • Vulnerability in Leadership
Personal Well-being
  • Trauma to Transformation
  • Anxiety Management
  • Mindfulness Living
Social Impact
  • Engage Through Passion
  • Cultural Agility
  • Social Emotional Learning
Each coaching program is tailored to individual needs, combining personal sessions, workshops, and practical exercises for sustainable results.
Connect with Us
Geoffroy Vilbert
Founder, Americas Managing Partner
Argyris Mantzalos
EMEA Managing Partner
Multilingual Leaders
French
Native Fluent in French
Spanish
Proficient in Spanish
English
Proficient in English
German
Proficient in English
Greek
Native Fluent in Greek
600 N Broad Street,
Suite 5 #3347, Middletown, DE, 19709, USA.
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