She holds a certificate in Genealogical Research from Boston University’s Center for Professional Education and was a student in the inaugural SLIG African American Genealogy Course. Diane, a former Director of Admissions, began her career as a New York City public school teacher before transitioning to higher education and holding several administrative positions over the course of more than two decades. She holds a graduate degree in Administration & Supervision in Higher Education from Baruch College, CUNY.

She is a member of the Association of Professional Genealogists, New York Genealogical and Biographical Society, and the Greater New York Chapter of the Afro-American Historical and Genealogical Society (where she served as Vice-President and Chair of the Genealogy Committee and Writers Group). She has lectured throughout the country and in the Caribbean at private organizations, genealogical societies and national institutes including the Afro-American Historical and Genealogical Society’s national conferences, Institute of Genealogy and Historical Research (IGHR), and the New York State Family History Conference. Diane taught in the SLIG African American Genealogy Course in 2021 and 2023. She also contributed research on the Bahamian roots of Tamera Mowry-Housley, in season 9 of Finding Your Roots.

Diane is currently working on an African American Burial Ground Project with Stony Brook University (SUNY) to uncover the names of those interred on land in Stony Brook, Long Island.