The Federal Judicial Center records the commission as January 2, 2025. The official D.C. district-court biography says Judge Sparkle L. Sooknanan was appointed to the District Court in January 2025. Those are the same appointment.

The FJC career line before the robe: law clerk to Eric N. Vitaliano (E.D.N.Y., 2010–2011); law clerk to Guido Calabresi (2d Cir., 2011–2012); attorney, Civil Division Appellate Staff, Department of Justice (2012–2013); law clerk to Sonia Sotomayor (Supreme Court, 2013–2014); private practice, Washington, D.C. (2014–2021); Deputy Associate Attorney General (2021–2023); Principal Deputy Assistant Attorney General, Civil Rights Division (2023–2024). The court bio adds Jones Day Issues and Appeals, partner in 2020.

Born 1983 in San Fernando, Trinidad and Tobago, per FJC. Education on both official pages: St. Francis College, B.S., 2002; Hofstra University, M.B.A., 2003; Brooklyn Law School, J.D., 2010. The court bio adds the honors: summa cum laude (St. Francis and Brooklyn Law); MBA with distinction.