Director—Securitized Assets and US Multi-Sector Michael Canter is a Senior Vice President and Director of Securitized Assets and US Multi-Sector Fixed Income at AB, heading the portfolio-management teams for these strategies. His focus includes his role as the Chief Investment Officer of AB’s Securitized Assets Fund. Canter’s team is responsible for AB’s investments in agency mortgage-backed securities, credit risk–transfer securities, non-agency residential mortgage-backed securities, commercial mortgage-backed securities, collateralized loan obligations and other asset-backed securities. He has particularly extensive expertise in residential mortgages. In 2009, AB was selected by the US Department of the Treasury to manage one of nine Legacy Securities Public-Private Investment Program funds; Canter was the CIO of that AB-managed fund. In addition, he was called upon to give expert testimony to the US Senate Committee on Banking, Housing, and Urban Affairs in 2013 and the US House of Representatives Subcommittee on Housing and Insurance in 2017 on how US housing policy should be structured going forward. Prior to joining AB, Canter was the president of ACE Principal Finance, a division of ACE Limited (now Chubb). There, he managed portfolios of credit default swaps, asset-backed securities, mortgage-backed securities and collateralized debt obligations. Canter holds a BA in math and economics from Northwestern University and a PhD in finance from the Columbia University Graduate School of Business. Location: New York

Serena Zhou is a Senior Vice President and Portfolio Manager in the Fixed Income US Multi-Sector Group. Previously, she was a portfolio analyst in AB's Global Multi-Sector Group in 2020 and a quantitative analyst in the Fixed Income Quantitative Research Group from 2013 to 2019. Prior to joining the firm in 2013, Zhou was an associate director in the Quantitative Research Analytic Group at S&P Global, where she was responsible for quantitative research in corporate and government rating and built the Market Derived Signal Model. Before that, Zhou worked as a quantitative derivatives analyst at ING. She received a BS in statistics from People's University of China, Beijing, in 2008 and an MS in computational finance at Carnegie Mellon University in 2009. Zhou is a CFA charterholder. Location: New York

Matthew Sheridan is a Senior Vice President and Portfolio Manager at AB, primarily focusing on the Global Multi-Sector Strategy portfolios. He is a member of the Global Fixed Income, Global High Income and Emerging Market Debt portfolio-management teams. Additionally, Sheridan is a member of the Rates and Currency Research Review team and the Emerging Market Debt Research Review team. He joined AB in 1998 and previously worked in the firm’s Structured Asset Securities Group. Sheridan holds a BS in finance from Syracuse University. He is a CFA charterholder. Location: New York