Paul Gluckow serves as Simpson Thacher’s General Counsel, providing counsel and advice to the Firm and its lawyers on a wide range of legal, compliance, and risk management matters.

Prior to becoming the Firm’s General Counsel, he was a member of Simpson Thacher’s Litigation Department for 25 years, including for 17 years as a Partner. During his years as a litigator at the Firm, Paul represented financial institutions, corporations, and individuals in high-profile securities litigation, M&A-related disputes, antitrust litigation, government and internal investigations, and other complex commercial litigation matters.

He joined Simpson Thacher in 1996 and over the years has held various leadership positions within the Firm, including as Co-Chair of the Counsel/Senior Counsel Committee, Business Development Committee, Personnel Committee, and Associates Committee.

Paul received his J.D., summa cum laude, from Seton Hall University School of Law in 1994, where he was also Editor-in-Chief of the Seton Hall Law Review. He received his M. Phil. with highest distinction in 1992 from the University of Glasgow and his B.A., magna cum laude, from the University of Notre Dame in 1988. In 1994–1995, Paul served as a law clerk to the Hon. William G. Bassler of the U.S. District Court for the District of New Jersey, and in 1995–1996 he clerked for the Hon. Samuel A. Alito, Jr., of the U.S. Court of Appeals for the Third Circuit.

Adrienne Boán is the Chief Financial Officer at Simpson Thacher. Adrienne has been with the Firm since 2005. Adrienne was formerly Director of Finance at another major law firm and prior to that, Tax Manager at Ernst & Young.

Adrienne received her J.D. from Fordham University School of Law and her B.S. in Accounting from the University of New Orleans. She is a certified public accountant.

Sarah Bricknell is Chief of Global Conflicts and Legal Ethics at Simpson Thacher. 

Sarah received her J.D. from the University of Pennsylvania Law School and her B.A. from Franklin & Marshall College, and is admitted to practice in New York, California, New Jersey and Pennsylvania.

Anne Callender is Chief Business Development Officer at Simpson Thacher. Anne was previously in-house legal counsel at Time Warner Inc. and prior to that, an Associate in Simpson Thacher’s Corporate Department.

Anne received her J.D. from the New York University School of Law and her B.S. from Georgetown University.

Nihara K. Choudhri is a Pro Bono Attorney at Simpson Thacher. Her practice encompasses criminal justice, conviction relief, and voting rights matters, with a particular focus on racial justice.

Nihara received her J.D. from Columbia Law School, where she was a Harlan Fiske Stone Scholar. She earned her B.A. from Columbia University, magna cum laude.

Amy Claydon is the Director of Legal Recruiting Analytics at Simpson Thacher, where she is responsible for leveraging technology and using data to enhance the recruiting process and summer associate program across the Firm. Amy has been with the Firm since 2002.

Amy received her B.A. from Western State Colorado University.

Susan Cordaro is Pro Bono Counsel at Simpson Thacher. Susan was previously a Senior Appellate Attorney at The Children’s Law Center, and prior to that, an Associate in Simpson Thacher’s Litigation Department. 

Susan received her B.A. from Dartmouth College and her J.D. from Fordham Law School, where she was a Stein Scholar and Editor-in-Chief of the Fordham Law Review. She served as a law clerk to the Honorable Barbara S. Jones, of the United States District Court in the Southern District of New York.

Debra Cruz is Director of Human Resources at Simpson Thacher, where she is responsible for overseeing the human resource functions relating to employee relations, creation and administration of policies and procedures, recruiting, retention, performance management, compensation and budget. Debra has been with the Firm since 2012.

Debra received her B.A. from the University of Minnesota. 

Caroline Fatchett is Director of Communications at Simpson Thacher. Prior to joining the Firm, she was in marketing and communications for two other international law firms. She began her career as a paralegal.

Caroline received her B.A. in Politics from New York University.

Matthew Garman is the Chief Financial Officer at Simpson Thacher, where he has global responsibility for all of the Firm’s financial operations. Over the last 20 years, Matthew has served as the Chief Financial Officer both for an international law firm as well as domestic corporations. He has been with the Firm since 2024. 

Matthew received his B.S. in Business Administration and Accounting from Bucknell University. He is a certified public accountant.

Willis Gee is the Chief Information Officer at Simpson Thacher, where he is responsible for defining and executing a global technology strategy that enables the Firm’s business. 

Prior to joining the legal industry, Willis has held several senior executive leadership roles in technology at Fortune 500 companies such as Anthem Inc. and Cigna. Most recently, he was the Executive Vice President and Global Chief Information Officer for the Corporate Services Division at Chubb Limited. 

A member of the Alumni Board of Directors, Willis received his B.S. from The College of William and Mary. He also holds a Master of Health Administration from Virginia Commonwealth University and a Master of Science in Information Systems from Drexel University, as well as a doctorate in Global Public Health from Arizona School of Health Sciences.

Flavia Guimaraes serves as Global Tax and Partnership Accounting Director at Simpson Thacher, overseeing the Firm’s tax and partnership accounting functions. Flavia joined the Firm in 2023 and was previously the Tax Director at another international law firm.

Flavia received her M.S. in Business Taxation from the University of Southern California, an M.B.A. from FGV - Fundação Getulio Vargas, and a J.D. from Pontifícia Universidade Católica de São Paulo.

Leora Hertan is the Director of Talent Management at Simpson Thacher. Leora joined the Firm in 2022.

Leora received her M.S. from Columbia University and her B.A. from Barnard College. 

Gus serves as Simpson Thacher’s Associate General Counsel, advising the Firm’s lawyers and professional staff on an array of legal, compliance and risk management matters. Prior to rejoining Simpson Thacher in 2023, Gus was an attorney in the office of the general counsel at another international law firm.

Gus received his J.D. and B.A. from the University of Chicago and an M.Phil from the University of Cambridge. He is admitted to practice in the state of New York.

Helen Howard is Director of Career Services and Alumni Relations at Simpson Thacher. Prior to joining the Firm, Helen worked with a global legal, risk and compliance search firm. She began her career as a solicitor in the U.K.

Helen received her GDL (Graduate Diploma in Law) and LPC (Legal Practice Course) from BPP Law School and her M.A. in English Literature from the University of Edinburgh. She qualified as a solicitor in England and Wales in 2009.

Sean Hughes is a Tax Director in the Accounting Department at Simpson Thacher. Sean has been with the Firm since 2008.

Sean received his M.S. in taxation from Seton Hall University and his B.A. in accounting from Richard Stockton College of New Jersey.

Glenn Jones is the Chief Conflicts Officer at Simpson Thacher. He has served in conflicts, compliance and professional responsibility roles at other large international law firms for more than 15 years.

Glenn received his J.D. from Georgetown University Law Center and his B.A. from the University of Vermont. He is admitted to practice in New York.

Maria Kalogianis is Director of Billing and Collections at Simpson Thacher, where she is responsible for overseeing the Firm’s global billing and collection functions. Maria has been with the Firm since 1999.

Maria received her B.A. from The College of New Rochelle. 

Michael Koehler is the Chief Technology Officer at Simpson Thacher, where he is responsible for technology standards and ensuring that the Firm’s information systems meet the Firm’s needs. Michael has been with the Firm since 1986.

Michael received his B.S. from Pace University, where he later worked as a System Administrator.

Cathleen Krautheim is the Director, Legal Talent Development at Simpson Thacher, where she focuses on the attorney review process, orientation and integration, policies and procedures. Cathleen has been with the Firm since 2008.

Cathleen received her B.A. from Seton Hall University.

Sarah Martin is the Knowledge Management Lawyer for the Private Funds Practice at Simpson Thacher. She joined the Firm in 2022.

Sarah received her J.D. from the University of Virginia School of Law in 2009 and her B.A. from Wellesley College in 2004.

Alison Melaugh is the Director of Learning and Development at Simpson Thacher. Alison joined the Firm in 2022. Prior to joining the Firm, Alison spent over ten years in learning and development at PricewaterhouseCoopers (PwC).

Alison received her M.A. from Columbia University.

Gretchen Moguel is Chief Business Development Officer at Simpson Thacher. Prior to joining the Firm, she was in business development and marketing for two other international law firms. She began her career in client service in the technology, consumer and entertainment groups at Hill & Knowlton, Inc.

Gretchen received her B.A. in American Studies from Fordham University.

Kristin Nicoll is Director of Conflicts and Legal Ethics at Simpson Thacher. Kristin has been with the Firm since 2007. Prior to joining the Firm, Kristin was a corporate associate and worked on a variety of M&A, financing and general corporate matters. 

Kristin received her J.D. from Syracuse University and her B.Sc. from Cornell University, School of Industrial and Labor Relations, and is admitted to practice in New York.

Susan Osnato is Chief of Staff to Chair of the Executive Committee at Simpson Thacher. She focuses on assessing, advancing and driving efficiencies to support the strategic priorities and initiatives of the Executive Chair and the Executive Committee—the Firm’s governing body. Susan has been with Simpson Thacher for more than 20 years and previously served as the Firm’s Chief Legal Talent Officer.

Susan received her M.A. from Columbia University Teachers College and her B.A. from Washington and Lee University.

Brian Roe is the Managing Attorney at Simpson Thacher and is Director of the Firm’s Managing Clerk’s office. Brian has been with the Firm since 2007.

Brian received his J.D. from Hofstra University and his B.Sc. from Florida State University.

Monica Shaw is the Knowledge Management Lawyer for the Private Funds Practice at Simpson Thacher. She joined the Firm in 2021.

Monica received her J.D. from Fordham School of Law in 2010 and her B.A. from Johns Hopkins University in 2005.

Jared E. Sint serves as Simpson Thacher’s Assistant General Counsel. Previously, Jared worked in the Firm’s Public Company Advisory Practice assisting public companies on various aspects of compliance with U.S. securities laws and corporate governance. 

He received his J.D. from St. John’s University School of Law where he was a staff member of the New York International Law Review, and his B.A., magna cum laude, from the State University of New York at Albany. He is admitted to practice in New York.

Barbara Soo Hoo is Director of Finance at Simpson Thacher. Barbara has been with the Firm since 2008.

Barbara received her M.B.A. from Fordham University Graduate School of Business Administration and her B.S. from New York University.

Kelly Stevens is the Chief Operating Officer at Simpson Thacher, where she is responsible for the administration of the Firm’s operations worldwide. She joined the Firm in 2021 after serving as Chief Operating Officer at another international law firm for more than a decade.

Prior to joining the legal industry, Kelly held several leadership roles at Lehman Brothers/Barclays Capital, including Chief Operating Officer for the Global Financial Institutions Group and Chief Administrative Officer for the Global Finance Group. She was also a leader in the organization’s diversity programs.

A member of the Board of Directors of The Door, Kelly received her A.B. from Harvard College and her M.B.A. from Columbia University.

Deena Subar is the Director of Strategic Intelligence at Simpson Thacher. Prior to joining the Firm, Deena spent over fifteen years in strategic intelligence at another major law firm.

Deena received her J.D. from the Benjamin N. Cardozo School of Law and her B.S. from the State University of New York at Binghamton.