Mark A. Wentling, MLS, CG, owner of Ancestor Introductions, is a full-time, Board-certified genealogist in the Boston-Providence area with more than 25 years of research experience. He is an adjunct professor at the University of New Haven, where he teaches genealogy principles and methods in the Certificate in Forensic Genetic Genealogy graduate program. His forensic specialties include heir searching and military repatriation. He also specializes in New York and New England family history, including Mayflower and Revolutionary War lineages, and lighthouse keepers. His clients include NEHGS’ Newbury Street Press, and his research has been published in The Register. His work has been recognized by the New York State Assembly and the New York State Office of Historic Preservation. He is a past facilitator in the Genealogy Principles course at Boston University, and is currently a ProGen Study Group mentor. He is a member of the Board of Directors of the Association of Professional Genealogists (APG) for 2022. He previously served as the first Vice President of APG’s Forensic Genealogy Special Interest Group, and as Vice President of APG’s New England Chapter. He holds a B.A. in Sociology, a Master of Library Science from the University of Maryland, and a Certificate in Genealogical Research from Boston University.