After graduating from Harvard with a degree in nuclear physics, Ng'weno worked as a reporter for the Daily Nation for nine months before his appointment as the newspaper’s first Kenyan editor-in-chief.

In 1973, together with journalist Terry Hirst, he founded Joe, a political satire comic magazine that circulated in many parts of Africa until the late seventies when its publication ceased.

In 1975, Ng'weno founded The Weekly Review, a journal of political news, commentary and analysis followed in 1977 by The Nairobi Times, a Sunday newspaper that later became a daily.

Jointly with NTV, he has produced over 160 individual half-hour profiles of important figures in Kenya's history, a series entitled Makers of Nation.

She has been actively involved in environmental issues in Kenya for more than forty years, serving as Honorary Secretary to NatureKenya, (formerly the East Africa Natural History Society).

The Harvard and Princeton educated Amolo served as deputy director of financial services for the poor at the Bill & Melinda Gates Foundation.