
John Prevas
New York Times bestselling author, classics scholar, speaker, and Florida court-appointed mediator.
Through books, lectures, and mediation, John Prevas brings the ancient world into conversation with modern leadership, judgement, and human conflict.
Sparta, leadership, and the ancient world
A short video introduction to John Prevas’ current work on Sparta and the enduring questions of discipline, the abuse of power, and the responsibilities of civic life.
Books grounded in scholarship and first-hand exploration
John’s books combine manuscript research, field travel, and clear storytelling. They invite readers to engage in questions of leadership, the costs of ambition, and the benefits of strategic thinking.

Hannibal Crosses the Alps
A firsthand study of one of history’s most daring campaigns.

Xenophon’s March
A retracing of the invasion of ancient Persia by ten thousand Greek mercenaries.

Envy of the Gods
Alexander the Great’s eastern campaign and unraveling.

Power Ambition Glory
A New York Times bestseller on leaders, power, and judgment.

Hannibal’s Oath
A biography and nuanced portrait of Hannibal.
Speaking that connects ancient history with modern leadership
John Prevas speaks to universities, business audiences, and cultural institutions on leadership under pressure, strategic judgment, and the enduring relevance of the ancient world.
Presentations on what ancient campaigns still reveal about decision-making, ambition, and resilience.
Lectures for general audiences that are intellectually stimulating and engaging.
Programs for universities, conferences, and executive audiences.

Measured help for difficult disputes
John Prevas serves as a Florida Supreme Court certified mediator for county, family, and circuit civil matters.
His mediation practice draws on legal training, experience with conflict, and a steady process focused on clarity, preparation, and practical resolution.
Credentialed, prepared, and practical
A mediation practice shaped by law, psychology, teaching, and public service.
Florida Supreme Court certified for county, family, and circuit civil matters.
Appointed by the Florida Supreme Court to the Qualifications and Disciplinary Review Board and a past member of the Florida Mediator Ethics Advisory Committee.
A disciplined approach that helps parties clarify their issues, explore options and resolve their disputes equitably.
An author and educator shaped by research, teaching, and travel
Educated at the University of Maryland, Johns Hopkins, Antioch School of Law, and Yale, John Prevas taught classics and related subjects for decades as he retraced the routes of Hannibal, Xenophon, and Alexander the Great in the field.