David Neal Ewing has been a member of the Ewing Family Association since 1996 and has served as its Chancellor since 2006. He previously served as Chair of its Board of Directors from 2004-2006. He is also Administrator of the Ewing Surname Y-DNA Project, which he founded in 2004, and he is a regular contributor to the Association's Journal.

Dr. Ewing has a private practice in clinical geriatric neuropsychiatry in Albuquerque, New Mexico. He received his M.D. degree from the University of New Mexico and did his residency training at the University of Michigan Hospital in Ann Arbor, Michigan.

George William Ewing - Past Chair and Chancellor of the Ewing Family Association and sixth great-grandson of John of Carnashannagh - is a native of Muncie, Indiana, and has been a resident of Battle Creek, Michigan, since 1963. Now retired, he and his wife Marilyn spend the winter months in Boca Raton, Florida.

Joseph Neff Ewing Jr. is a former Chancellor of the Ewing Family Association (1998-2004). He is descended from Hon. John Kennedy Ewing's son, Samuel Evans Ewing, and a frequent contributor to the Association's Journal providing valuable information about his ancestors and Ewings in general.

Rev. Ellsworth Samuel Ewing was the founder of the Ewing Family Association (originally known as Clan Ewing in America) and served as its Chancellor from 1993-1995. Prior to the incorporation of the organization in 1993, Ellsworth traveled around the country meeting with Ewings interested in genealogy, often staying in their homes and gradually building an informal network of folks who shared an interest in Ewing genealogy and family history.