
Hello
I’m Mladen Tošić, a consultant with over 15 years of top-tier experience, and I founded Mount13 to help businesses and leaders unlock their potential through strategic leadership, transformation leadership, marketing transformation and leadership coaching. My hands-on, personalized approach ensures that each client receives the expertise and support needed to drive meaningful growth and change.

My Story
From the early days of my consulting career, I’ve always been passionate about helping businesses and leaders grow by guiding them through complex challenges. After earning my PhD from the University of Cambridge, I spent over a decade at Bain & Company, working with industry leaders across London, Sydney, Amsterdam, and Dubai. Through these experiences, I honed my expertise in corporate strategy, marketing transformation, and leadership development.
​
In 2022, I founded Mount13 to focus on a hands-on, boutique approach to consulting—working closely with leaders and senior leadership teams to drive real, measurable impact. This setup gives me the flexibility to work across a diverse portfolio of clients and projects and allows my clients a tailored and nimble approach to solving complex problems. Every engagement receives my direct involvement, ensuring that clients benefit from both strategic insight and long-term support to achieve sustainable growth.
Values & Approach
At Mount13, my approach is driven by the belief that sustainable growth comes from bold, clear strategies and a commitment to long-term success. I value integrity, transparency, and collaboration, ensuring that every client engagement is grounded in trust and partnership. My consulting philosophy is built on three pillars:
-
Bold Vision, Pragmatic Execution: I help clients set ambitious goals while developing practical, actionable strategies to achieve them. Every plan is designed to be implemented, delivering real, measurable results.
-
Partnership and Integrity: Success comes from working closely with leadership teams and understanding the unique dynamics of each business. I prioritise building meaningful, collaborative relationships with my clients and partners, ensuring that their vision is always at the forefront.
-
Personal Involvement, Lasting Impact: I believe that consulting should be a personal experience. That’s why I am directly involved in every project, ensuring that each client receives the tailored support they need to navigate change and drive transformation.
A key part of my work is supporting leaders in their growth and decision-making. Over the past 20 years, I have coached in various capacities—from teaching martial arts, to mentoring teams in consulting and coaching business leaders today. My coaching is practical and results-driven, rooted in real-world experience. I help executives and senior teams gain clarity, strengthen leadership presence, and make confident, high-impact decisions—whether leading transformation or advancing their leadership effectiveness.
Experience Highlights
Throughout my career, I’ve had the privilege of working across industries and geographies, helping businesses grow and thrive. Here are some highlights from my journey:
​
-
Bain & Company (12+ years): Led major transformations for clients in sectors such as Consumer Products, Retail, Financial Services, and Private Equity across London, Sydney, Amsterdam, and Dubai. I helped businesses realign their strategies, improve operational efficiency, and drive marketing transformations that resulted in measurable growth.
Example Projects:-
Marketing and Loyalty Transformation for an Airline: Drove marketing and loyalty transformation, leveraging big data analytics and Agile teams to enhance customer retention and engagement.
-
Health Strategy for a Grocer: Developed a health strategy by leveraging consumer and product insights, guiding the client toward a stronger health-focused product offering.
-
Digital Marketing & E-commerce Transformation for a Consumer Health Supplier: Led digital marketing and e-commerce acceleration initiatives through a test-and-learn approach, resulting in a significant uplift in digital engagement and sales.
-
Growth Strategy for a Global Logistics Business: Developed a holistic, multi-phase growth strategy, identifying both near-in adjacencies as well as new industry and geography opportunities.
-
Operating Model for a Utility Company: Designed a new operating model and led organisational change efforts for a business with over 5,000 FTE. The proposed model was approved and successfully adopted across the organization.
-
Brand and Sales Transformation for a Food Manufacturer: Led customer and brand strategy development for a UK-based food manufacturer, integrating these plans into budget planning. The initiative led to significant uplifts in sales and profitability, along with sourcing optimisations that drove substantial cost savings.
-
Post-Merger Integration for a Global Brewer: Managed the integration of a local brewery acquisition in Southeast Europe, guiding the new management team, developing the initial strategy, and submitting the first annual plan while overseeing the kick-off of the transformation.
-
Commercial Due Diligences for Global Private Equity Funds: Conducted range of commercial due diligence projects (deal values ~$0.2-1B) for leading private equity funds, with a focus on market assessments, competitive positioning, and business plan reviews across sectors such as general insurance, business services, oil & gas services, industrial goods, renewable energy, healthcare, publishing, and transportation services.
-
​
-
Leadership Roles: As an ex-Associate Partner at Bain, I was a leader in the Customer Strategy & Marketing Practice and the Retail & Consumer Products Practice, driving brand growth and behavioral change through marketing strategy and transformation initiatives. I played a key role in establishing FRWD for EMEA, Bain's digital marketing and transformation practice, focused on accelerating clients' digital marketing capabilities and integrating advanced marketing technologies.
-
Advisory Work: I have served as a Board Member at organisations including Prestigious Venues, and I am currently an advisor at DoReWe, helping innovative start-ups shape their strategy and vision. Additionally, I served on the Board of Governors of Hampstead School in London, where I contributed to overseeing and supporting the school's leadership and educational standards.
-
Educational Background: Earning my PhD in International Studies from the University of Cambridge, I have a deep understanding of global markets and strategic leadership. My academic background complements my practical experience, providing a strong foundation for problem-solving and analytical thinking.