The Corporation of Brown University

Carlos Lejnieks '00 is chief executive officer of Big Brothers Big Sisters of Essex, Hudson and Union Counties (Newark, NJ) and past chairman of BBBS of NJ. In 2026, his organization won the BBBS of America "Agency of the Year". Lejnieks is co-founder and trustee emeritus of Democracy Prep Public Schools, a network of schools based in Harlem serving over 6,000 students. Previously, he held positions at North Star Academy/Uncommon Schools and Goldman Sachs. He has also served on President Barack Obama's regional finance committee and the transition teams of the past four New Jersey governors as well as then-Newark Mayor Cory Booker. Lejnieks is past chairman of Jersey City Medical Center and vice chair of the Schumann Fund for New Jersey. He is past president of the Brown Alumni Association, the first Latinx person to hold that position, and current vice chair of the London School of Economics Global Alumni Board. A collegiate wrestler, Lejnieks earned a master's degree from the London School of Economics and holds an honorary doctorate from Saint Peter's University. In 2023, he delivered Brown's baccalaureate address and currently serves as co-chair for the Brown Annual Fund.