Finance and Operations

Wesley Raper joined AB in 2014 as a founding member and Chief Operating Officer of AB Private Credit Investors, where he is involved in strategy and planning, operations, financing, accounting, portfolio analyses, cash management and compliance. He formerly held the same role at Barclays Private Credit Partners. Prior to that, Raper was a vice president in the Information Technology Group at Barclays, where he was responsible for building the technology platform for the leveraged-finance business. He holds an MEng from the University of Bristol and an MS in finance from the Zicklin School of Business at Baruch College. Location: Austin

Roy Castromonte joined AB in 2013 and serves as the Head of Operations and Treasurer for AB Private Credit Investors, where he is involved in strategy and planning, structured finance, operations, accounting, portfolio analyses, cash management, and compliance. Previously, he was head of operations for specialty situations at Fortress Investment Group. Castromonte began his career as part of the loan agency groups for Deutsche Bank and JPMorgan Chase. He holds a BS in finance from St. John’s University, and an MBA in accounting and finance from Fordham University. Location: New York

Eileen Spiro joined AB in 2025 and is a Managing Director with AB Private Credit Investors, where she is responsible for the issuance of private credit, recurring revenue, and asset-backed securitizations and other portfolio financing solutions. Previously, Spiro was a senior vice president at Shenkman Capital Management, where she worked for over a decade and was most recently responsible for leading the firm’s loan and bond securitizations and financings. Spiro joined Shenkman Capital Management as a credit research associate in 2012, with a focus on media and technology companies, before joining the structured credit business in 2015 to help build what is now Romark CLO Advisors, the firm’s collateralized loan obligation platform. Prior to this, she worked in J.P. Morgan’s fixed-income sales and trading business, and on the collateralized debt obligation structuring desk of Bear Stearns. Spiro holds a BS in mathematical sciences (honors) from Carnegie Mellon University. She is a CFA charterholder. Location: New York

Christopher Terry joined AB in 2017 and is a Managing Director of AB Private Credit Investors, where he is responsible for structuring, negotiating and executing structured credit transactions, including private credit collateralized loan obligations (CLOs), recurring revenue loan asset-backed securities, warehouse facilities and other long term portfolio finance solutions. Previously, he was an associate at Garrison Investment Group, where he managed near-term liquidity for all investment funds, with a special focus on the firm’s structured finance platform. Prior to that, Terry served as a credit analyst and CLO analyst at Monroe Capital. He began his career at LaSalle Bank as an account manager within the Global Trust Services Group. Terry holds a BA in economics from the University of Michigan. Location: New York

Wendy Alvarado is an Assistant Vice President with AB Private Credit Investors, where she is involved in deal closing, oversight and portfolio management. Prior to joining AB in 2020, she was an analyst in the middle office team for CCLA Investment Management in London, UK and worked in the oversight team for Brown Brothers Harriman. Wendy holds a BA in Mathematics from the University of North Carolina at Chapel Hill. Location: Austin

Christopher Ryan joined AB in 2017 and is a Vice President with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analyses, cash management, and compliance. Prior to joining the team, he was an associate with the Technology & Operations Group at AB, where he focused on implementation and optimization of reconciliation strategies for derivative products. Ryan holds a BS in business management from the University at Albany. Location: New York

Stevens Herbst joined AB in 2020 and is an Associate with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analyses, cash management, and compliance. Previously, he was an analyst at Ernst & Young with the Structured Finance Group, where he worked on the Collateralized Loan Obligation team. Herbst holds a BSM in finance and economics from Tulane University. Location: Austin

Nate Jones is an Assistant Vice President with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analysis, cash management, and compliance. Prior to joining AB in 2021, he was a collateralized loan obligation analyst in the Structured Finance Group at Ernst & Young in Houston. Jones holds a BA in economics with a concentration in business from the University of Illinois Urbana-Champaign. Location: Austin

Bertha Mortero joined AB in 2017 and is a Middle Office Loan Closer with AB Private Credit Investors, where she is involved in coordinating closing activities, providing operational support to deal and portfolio-management teams, and completing additional middle office tasks. Prior to joining the team in 2022, she was an analyst within the Derivative Operations Group, supporting AB’s OTC middle office in Nashville, Tennessee. Mortero began her career at AB with the Trade Support Group in San Antonio, Texas. She holds a BBA with a concentration in finance and economics from Sam Houston State University, as well as an MS in finance from the University of Houston–Clear Lake. Location: Austin

Taylor Thomson joined AB in 2020 and is an Assistant Vice President with AB Private Credit Investors, where he is involved in deal closing, execution and portfolio management. Prior to joining the team, he was an he was an analyst in the Specialty Lending Group within Goldman Sachs. Taylor holds a BA with a concentration in International Commerce from Texas A&M University. Location: Austin

Cooper Bailey joined AB in 2021 and is an Associate with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analysis, cash management and compliance. Prior to joining the team, he was a senior analyst at Virtus from FIS in Austin. Bailey holds a BBA with a concentration in finance from St. Edward’s University. Location: Austin 

Dmitry Gabriel joined AB in 2024 and is an Associate with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analysis, cash management and compliance. Previously, Gabriel was a senior analyst at Ernst & Young with the Structured Finance Group, where he worked on the Collateralized Loan Obligation team. He holds a BS in engineering and an MS in finance from Texas A&M University. Location: Austin

Michael Kim is an Associate for AB Private Credit Investors, where he works for the Financial Reporting team and is involved in reporting, operations and compliance. Prior to joining AB in 2024, Kim was an associate at ATX Acquisitions. He holds a BBA and an MS in accounting, both from Southern Methodist University. Kim is a Certified Public Accountant (CPA). Location: Austin

TK Kim is an Associate with AB Private Credit Investors, where he is responsible for treasury and liquidity management. Before joining AB in 2025, Kim was a senior analyst at Ernst & Young on the Structured Finance team. He holds a BS in finance and mathematics and an MS in accounting from Tulane University. Kim is also a Financial Risk Manager (FRM) and Certified Public Accountant (CPA). Location: Austin

Carson Leonhardt is a Middle Office Associate with AB Private Credit Investors, where he is involved in loan closing and coordinating trade activity for cross functional teams. Prior to joining AB in 2021, he was a global markets operations consultant at KKR Credit in San Francisco covering North American, European, and Asia Pacific funds. Carson holds a BA from the University of California, Berkeley. Location: Austin

Adrian Lish joined AB in 2022 and is an Analyst with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analysis, cash management and compliance. Previously, he was a senior analyst in the Global Corporate Trust CLO team at BNY Mellon in Houston. Lish holds a BBA with a concentration in finance from the University of Houston. Location: Austin

Mac McGuffee joined AB in 2020 and is an Associate with AB Private Credit Investors, where he is involved in strategy and planning, financing, portfolio analyses, cash management and compliance. Prior to joining the team in 2024, McGuffee was an associate with the Private Alternatives Operations Group, supporting AB Private Credit Investors and the AB Commercial Real Estate platforms. Location: Austin

Haseeb Haris Mughal joined AB in 2024 and is an Associate with AB Private Credit Investors, where he is involved in deal closing and oversight of AB's agency services. Prior to joining the team, Mughal was a private credit associate II at Alter Domus. He holds a BA with a concentration in economics from Clark University. Location: Austin

Jim Luu is an Associate on the AB Private Credit Investors team. In this role, he is responsible for assisting in loan closing functions, providing oversight of AB’s relationship with the Alter Domus operations group and providing support for additional portfolio-management and middle office tasks. Prior to joining the firm in 2024, Luu worked for U.S. Bank as a senior reporting analyst in global corporate trust services, executing compliance reporting for collateralized loan obligations. Before that, he worked at FIS as a senior trust administrator, performing cash and par reconciliations along with other middle office tasks for collateral managers. Luu holds a BBA in finance from the University of Houston. Location: Austin

Megan Salib is a Middle Office Associate with AB Private Credit Investors, where she is involved in deal closing, position management, reporting and other middle office tasks. Prior to joining the team in 2022, she was team lead for the Trade Support group in Nashville since 2017. Salib holds a BA with a concentration in psychology from St. Mary’s University. Location: Austin

Bryon Woeste joined AB in 2023 and is an Analyst with AB Private Credit Investors, where he works with the Middle Office team, specifically engaging in operations and reporting. Prior to joining the team, he was an analyst at Deutsche Bank in Jacksonville, Florida. Woeste holds a BBA with a concentration in finance and accounting from the University of Kentucky. Location: Austin

Greg Drews is an Analyst with AB Private Credit Investors, where he works with the Middle Office Team, specifically engaging in operations and reporting. Prior to joining AB in 2024, Drews was a fund accounting analyst at Mount Logan Management. He holds a BBA in finance and accounting and an MAcy, both from Texas State University. Drews is a Certified Public Accountant (CPA). Location: Austin