James E. Demmert is a US-based investment manager, author, speaker, and philanthropist with over 40 years of experience in financial markets. He is the Founder and Chief Investment Officer (CIO) of Main Street Research, a Manhattan-based, $2.3 billion registered investment advisory firm that provides wealth and investment management services to families and foundations worldwide.
Main Street Research has been named among the US Top RIA Firms for several consecutive years.