Interests include: chromosome 22q11.2 deletion (aka DiGeorge syndrome, VCFS, CTAF, Cayler cardiofacial syndrome) and 22q11.2 duplication syndromes, nested 22q11.2 deletions and duplications; distal 22q11.21 deletions and duplications; congenital heart disease; craniofacial abnormalities including cleft lip/palate and craniosynostosis; Opitz G/BBB and CGS syndromes; multiple congenital anomalies; brain/behavior differences; aneuploidy; pediatric genetics; and genetic counseling, amongst others.