Pragmatic. Operational. Client-centric.
Mountline Advisory Ltd is a boutique firm offering M&A Advisory and Executive Management Services.
With over 30 years of global C-suite and board-level experience, we bring deep, operational insight to every engagement.
Christos Tsolkas | Managing Partner
Christos is more than an accomplished executive—he is a passionate builder of businesses and people. With 30+ years of leadership experience across Europe, the U.S., and emerging markets, he has guided companies through critical transformations, acquisitions, exits and remarkable turnarounds.
Christos thrives on helping organizations and teams unlock their full potential. He has led some of the most recognized names in food and consumer goods— Philip Morris International, DIAGEO, Delta Foods, Dodoni, delivering growth, innovation, and value creation at scale. His leadership style is demanding yet supportive, known for turning struggling teams into motivated, high-performing groups.
Educated at Imperial College London, INSEAD, Stanford, IMD, and the National Technical University of Athens, Christos blends global expertise with a hands-on, pragmatic approach. Whether negotiating complex M&A deals, redesigning business models, or mentoring executives, he brings energy, creativity, and clarity of purpose.
As Managing Partner at Mountline Advisory Ltd, Christos is dedicated to working side-by-side with clients, guiding them through M&A opportunities and executive management challenges. He is committed to building partnerships based on trust, impact, and shared success. Clients often describe him as an inspirational motivator who brings out the best in people while delivering results that last.