Melinda Daffin Henningfield, CG, CGL, is a professional genealogist, lecturer, and author. She has served as a trustee for the Board for Certification of Genealogists. She has written articles published in the National Genealogical Society Quarterly, OnBoard, Crossroads, and other genealogical publications. She lectures at conferences and is an instructor for SLIG. She specializes in solving complex genealogical problems involving DNA, separating and identifying individuals with common names, as well as migration, and immigration.