Alonzo Ellis is a Managing Director and the Global Chief Information Security Officer at Morgan Stanley. With over 25 years of cybersecurity leadership experience across major financial institutions, Alonzo has held senior roles including Chief Information Security Officer at Vanguard and leadership positions at Citigroup. His expertise span IT strategy, enterprise risk management, and business‑aligned security initiatives, with extensive experience in operational resilience, fraud prevention, and regulatory compliance. Alonzo holds five U.S. patents, has founded a cybersecurity company, and is a recognized contributor across leading security and technology forums. He has been interviewed and quoted as a subject matter expert in leading IT security publications and mainstream media, including InfoSecurity Magazine and The Wall Street Journal.
Alonzo earned a Bachelor of Science in Electrical Engineering from The Cooper Union and an MBA from The Wharton School of the University of Pennsylvania. He is actively involved in the community, serving on the board of Cradles to Crayons and supporting several charitable initiatives, including Days of Caring, United Way, Sponsor A Child, and All Cans on Deck.