Steve A. Tineo
Steve A. Tineo has built a remarkable international career at the intersection of finance, leadership, negotiation, and human potential. As CEO of Assertive Group, he is recognised for navigating complex business landscapes with a combination of strategic intelligence, calm under pressure, and exceptional interpersonal insight. His professional journey began in global investment banking, including successful roles at Credit Suisse First Boston and HSBC. These experiences formed the basis of his unique ability to structure intricate financial deals, resolve high-pressure situations, and assess business opportunities with precision.
Over the past years, Steve has invested in and supported a portfolio of companies with a combined valuation exceeding USD $500 million. His work spans continents and industries, positioning him as a trusted figure in scenarios where clarity, diplomacy, and strategic thinking are essential. His influence extends far beyond traditional finance, reaching into the spheres of negotiation, crisis management, leadership training, and personal development.
Book Steve A. Tineo for your event
Booking Steve A. Tineo gives audiences access to a rare blend of operational experience and human understanding. He operates in both public and undercover capacities, using his skill set to resolve complex conflicts, lead sensitive negotiations, and build bridges across cultures and interests. Recognised as one of Europe’s most skilled negotiators, he has conducted hundreds of negotiations with governments, corporations, organisations, and individuals across the world.
His approach is rooted in trust, strategic empathy, and a clear focus on outcomes. As a negotiation and conflict-resolution responder, he has been part of high-stakes teams working to stabilise critical situations and guide organisations through demanding transitions. His network, cultivated over many years, includes influential figures from diplomacy, banking, finance, sports, and media, reflecting the depth of confidence placed in his expertise.
Leadership & human potential
Alongside his professional achievements, Steve is committed to the development of human potential. His bestselling book Through the Self explores inner strength, clarity, and the personal journey required to reach meaningful success. As an inspirational speaker, he delivers charismatic and energising talks grounded in real-world experience. His sessions give audiences a practical framework for resilience, purpose, and personal excellence, blending psychology, strategic thinking, and a deep understanding of human behaviour.
He holds both a PhD and a DBA in Leadership & Strategic Management, along with multiple international certifications, including from Harvard. This academic foundation supports his ability to articulate powerful insights on leadership, decision-making, influence, and strategic behaviour.
Experience beyond business
Steve’s life is driven by curiosity and discipline. He is an experienced diver and a qualified pilot, maintaining a lifelong passion for psychology, psychiatry, and spirituality. These interests deepen his understanding of individual and group behaviour, which strengthens both his negotiation style and his ability to inspire audiences.
His commitment to reducing violence and injustice is central to his work. Through his Vision4Peace initiative, he focuses on protecting children and vulnerable individuals, advocating for a world where safety, dignity, and peace are accessible to all.
Why audiences connect with Steve A. Tineo
Steve’s unique combination of global experience, academic excellence, strategic thinking, and personal humanity makes him a standout speaker for organisations seeking depth and inspiration. His talks leave a lasting impact—clear, powerful, and grounded in the realities of leadership and negotiation at the highest levels.