He was subsequently Ambassador to the United States, which required moving his family to Washington, D.C., where Tall studied at the Rochambeau French International School in Bethesda, Maryland from 1982.

[1][2] In 1994, Tall was hired to join the Analyst program in the Fixed Income division at Morgan Stanley in London as 1 of 10 high potential graduates from across Europe.

[3] Subsequent to running 3T for three years, Tall moved on to found a dot-com startup based in New York City called eSpirituality.

Two years later, he left to co-found a New York-based consulting boutique called Expansion USA, which developed a reputation by assisting European companies and institutions in establishing and expanding their presence in the United States marketplace.

[5] Tall has worked with international organizations including ExxonMobil, Total, Shell, MasterCard, Lycos and Daimler Chrysler.

Multimillion-dollar celebrations were occurring in spite of what Tall saw as decades of lost progress and a population largely living in misery and humiliation.

His goal was to "inform a new generation of Africans and set high expectations within them to ensure that, with the ascension of a new breed of leaders might Africa's people be delivered out of poverty, diseases, wars, famine, economic meltdown, political paralysis, and 360-degree insecurity.