He grew up in Ra'anana, attending Herzliya high school in Tel Aviv.
After graduation, he joined a Zionist pioneering youth movement, training at Kibbutz Giv'at Brenner.
Megged was one of the founders of the Masa literary weekly, and its editor for fifteen years.
He worked as a literary editor for the Hebrew newspapers La-merhav and Davar.
He made several lecture tours of the United States, and was also author-in-residence at the University of Iowa.