Upon returning to the United States and taking a position as a Senior Fellow at the Brookings Institution, Berg wrote his groundbreaking book, The Nutrition Factor: Its Role in National Development, based on his experience in India [REF].
Berg also served as Visiting Professor of Nutrition Policy and Planning at the Massachusetts Institute of Technology from 1972 to 1976, where he organized and led a high-level conference that drew government ministers and international development authorities.