Marc Siles
Strategy Consultant
Executive & Leadership Coach
Marc Siles
Your Boutique Partner To Transform Strategy Into Growth
Marc is a strategy and leadership expert who helps organizations co-create growth strategies, build high-performing cultures, develop top leadership teams, and turn disciplined execution into a competitive edge. He thrives on ambitious projects that challenge the status quo and develop future-ready leaders.
Vision
To enable a world where leaders and teams execute strategy with clarity, purpose, and humanity—building cultures that perform and inspire the generations of tomorrow.
Mission
We partner with executives and organizations to turn strategic ambition into execution power that lasts.
By aligning leadership, culture, and performance, we help build resilient systems, capable teams, and human-centered cultures that not only deliver results but also create a legacy of growth for the future.
Enduring values are the heartbeat of lasting impact.
They are in the heart of everything I do.
Partnership
We combine your business knowledge with my expertise to create strategies and solutions that deliver measurable, meaningful impact.
Sustainability
Every framework and solution is built for the long term, so your organization can adapt, grow, and thrive well into the future.
Ethical Growth
Success matters only when it’s achieved with integrity. I help leaders align decisions with their values to benefit their organization, their people, and the world.
Marc Siles
Strategy Consultant
Executive & Leadership Coach
My Experience
With over 15,000 hours of coaching and consulting experience, Marc has partnered with organizations such as Abloy, Blue Lagoon, Santander, Elkem, Jotun, Finnair, Össur, and Smartly, as well as leading public institutions across Europe.
Marc’s Growth Agents™ program, recognized for its innovative approach to talent development, helped Orkuveita Reykjavíkur receive the Menntasproti ársins award, which recognizes the most innovative and impactful educational initiative of the year. The award was presented by the President of Iceland.
Having worked with leaders from 25+ nationalities and delivered programs across Europe, North America, and Asia, Marc blends global experience with a deeply human-centric and strategic mindset. His work empowers executive teams to align culture with strategy, elevate leadership performance, and achieve measurable, lasting growth.
Postgraduate in Coaching and Work Orientation (UOC)
Growth Mindset Master Coach Certified
The Mindset Strategist MST Oy
2014- CEO and founder
Santander Consumer Finance Oy
2010-2014 D2C Director - Personal Loans, Insurances and CRM
2007-2010 CFO
General Electric (GE Money Oy)
2006-2007 Black Belt PMO / Pricing Manager (Finland)
2005-2006 Finance Project Leader (Italy)
2003-2005 Financial Analyst (Finland)
La Caixa de Pensions (Spain)
2001 -2002 Customer Service
Unlocking workplace excellence
Our Leadership and strategy development programs have touched thousands of leaders, and increased their leadership capabilities with, on-avarage 27% across all critical leadership skills.
Let’s connect!
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For service inquiries, please email me at marc@growthcoach.fi