[7] After completing his education, Zeihan worked for the American embassy in Australia and at Susan Eisenhower's think tank, the Center for Political and Strategic Studies; he said he found his experiences discouraging.

His client list reportedly grew to include energy companies, financial institutions, business associations, agricultural interests, universities, and governmental bodies.

[citation needed] In 2014 he released The Accidental Superpower, which focuses on the advantages topographical and geographical features (rivers, oceans, mountains, etc.)

Using maps, Zeihan discusses the critical importance of navigable rivers, access to oceans, and reliable road and rail networks.

Writing for The Independent Review, Robert Gmeiner of Methodist University praised The End of the World Is Just the Beginning saying "Realism and competence are hallmarks of Zeihan's book.